Changeset 226 for ether_megapoli/trunk/web/resources/js

Timestamp:

10/18/11 18:35:27 (13 years ago)

Author:

vmipsl

Message:

look apple

Location:

ether_megapoli/trunk/web/resources/js

Files:

• DomHelper.js (modified) (2 diffs)
• classesForJQuery (added)
• classesForJQuery/ComplexButton.js (moved) (moved from ether_megapoli/trunk/web/resources/js/ComplexButton.js) (10 diffs)
• classesForPrototype (added)
• classesForPrototype/ComplexButton.js (added)
• etherHelper.js (modified) (2 diffs)
• index_jqueryClass.html (added)
• library/jquery-1.4.1.js (added)
• library/jquery.class.js (added)
• library/jquery.js (modified) (1 diff)
• library/jquery.protify-0.3.js (added)
• library/prototype.js (modified) (6 diffs)

ether_megapoli/trunk/web/resources/js/DomHelper.js

@@ -1 +1 @@
 ///
-// Requires prototype
+// use jQuery
 
 var Dom = Dom || {};
@@ -286 +286 @@
 
 });
+
+function disableContainer( containerId )
+{
+    var container = Dom.getContainer( containerId );
+    container.addClassName( "disable" );
+}
+
+function enableContainer( containerId )
+{
+    var container = Dom.getContainer( containerId );
+    container.removeClassName( "disable" );
+}
+

ether_megapoli/trunk/web/resources/js/classesForJQuery/ComplexButton.js

@@ -3 +3 @@
 // Display a button
 //
+// use jQuery
 // str value: Value to display in the button
 // dom parent: in which dom element to draw the button
@@ -12 +13 @@
 
 var ComplexButton = Class.create( {
+
     initialize: function( param )
     {
@@ -26 +28 @@
         // Create button elements
         this.divContainer = $( document.createElement( "div" ) );
-        this.divContainer.className = "complexButton";
+        this.divContainer.addClass( "complexButton" );
         this.divContainer.atMe = this;
         this.divContainer.id = this.id;
-        this.divContainer.addClassName( this.specificClass );
+        this.divContainer.addClass( this.specificClass );
         if( this.parent )
         {
-            this.parent.appendChild( this.divContainer );
+            this.parent.append( this.divContainer );
         }
 
         this.divLeft = $( document.createElement( "div" ) );
         if( param.classNameToAdd )
-            this.divLeft.className = "complexButton_left_" + param.classNameToAdd;
+            this.divLeft.addClass( "complexButton_left_" + param.classNameToAdd );
         else
-            this.divLeft.className = "complexButton_left";
-        this.divContainer.appendChild( this.divLeft );
+            this.divLeft.addClass( "complexButton_left" );
+        this.divContainer.append( this.divLeft );
 
         this.divMiddle = $( document.createElement( "div" ) );
         if( param.classNameToAdd )
-            this.divMiddle.className = "complexButton_middle_" + param.classNameToAdd;
+            this.divMiddle.addClass( "complexButton_middle_" + param.classNameToAdd );
         else
-            this.divMiddle.className = "complexButton_middle";
-        this.divContainer.appendChild( this.divMiddle );
+            this.divMiddle.addClass( "complexButton_middle" );
+        this.divContainer.append( this.divMiddle );
 
         this.divText = $( document.createElement( "div" ) );
-        this.divText.className = "complexButton_text";
-        this.divText.innerHTML = this.value;
-        this.divMiddle.appendChild( this.divText );
+        this.divText.addClass( "complexButton_text" );
+        this.divText.html( this.value );
+        this.divMiddle.append( this.divText );
 
         this.divRight = $( document.createElement( "div" ) );
         if( param.classNameToAdd )
-            this.divRight.className = "complexButton_right_" + param.classNameToAdd;
+            this.divRight.addClass( "complexButton_right_" + param.classNameToAdd );
         else
-            this.divRight.className = "complexButton_right";
-        this.divContainer.appendChild( this.divRight );
+            this.divRight.addClass( "complexButton_right" );
+        this.divContainer.append( this.divRight );
 
         // Define button events
-        Event.observe( this.divContainer, 'click', this.onClick.bindAsEventListener( this ) );
-        Event.observe( this.divContainer, 'mouseover', this.onHover.bindAsEventListener( this ) );
+        this.divContainer.bind( 'click', this, this.onClick );
+//        Event.observe( this.divContainer, 'click', this.onClick.bindAsEventListener( this ) );
+//        Event.observe( this.divContainer, 'mouseover', this.onHover.bindAsEventListener( this ) );
     },
 
     // Actions ********************************************************
 
-    appendChild : function( parent )
+    appendChild :function( parent )
     {
         this.parent = parent;
-        this.parent.appendChild( this.divContainer );
+        this.parent.append( this.divContainer );
     },
+
     setDisabled:function( value )
     {
@@ -84 +88 @@
         }
     },
+
     disable : function()
     {
@@ -89 +94 @@
         this.divContainer.addClassName( "disable" );
     },
+
     enable : function()
     {
@@ -94 +100 @@
         this.divContainer.removeClassName( "disable" );
     },
+
     setSelected : function( value )
     {
@@ -106 +113 @@
         }
     },
+
     show : function()
     {
@@ -111 +119 @@
         this.divContainer.style.display = "";
     },
+
     hide : function()
     {
@@ -123 +132 @@
         return this.divContainer;
     },
+
     getDisable : function()
     {
         return this.boolDisabled;
     },
+
     getSelect: function()
     {
         return this.boolSelected;
     },
+
     setValue : function( value )
     {
         this.value = value;
-        this.divText.innerHTML = this.value;
+        this.divText.html( this.value );
     },
+
     setCallbackOnClick : function( value )
     {
@@ -145 +158 @@
     onClick : function( event )
     {
-        if( !this.getDisable() && (undefined == event.detail || 1 == event.detail) && this.callbackOnClick )
-            this.callbackOnClick();
-        Event.stop( event );
-    },
-
-    onHover : function( event )
-    {
-        Event.stop( event );
+        if( !event.data.getDisable() && (undefined == event.detail || 1 == event.detail) && event.data.callbackOnClick )
+            event.data.callbackOnClick();
     }
 } );

ether_megapoli/trunk/web/resources/js/etherHelper.js

@@ -1 +1 @@
 ///
-// Requires prototype and DomHelper.js
-
-function disableContainer( containerId )
-{
-    var container = Dom.getContainer( containerId );
-    container.addClassName( "disable" );
-}
-
-function enableContainer( containerId )
-{
-    var container = Dom.getContainer( containerId );
-    container.removeClassName( "disable" );
-}
+// Uses jquery
 
 /**
@@ -33 +21 @@
 }
 
+/* ************************************************** */
+/* Based on Alex Arnell's inheritance implementation. */
+/* ************************************************** */
+//var Class = {
+//    create: function()
+//    {
+//        var parent = null, properties = $A( arguments );
+//        if( Object.isFunction( properties[0] ) )
+//            parent = properties.shift();
+//
+//        function klass()
+//        {
+//            this.initialize.apply( this, arguments );
+//        }
+//
+//        Object.extend( klass, Class.Methods );
+//        klass.superclass = parent;
+//        klass.subclasses = [];
+//
+//        if( parent )
+//        {
+//            var subclass = function()
+//            {
+//            };
+//            subclass.prototype = parent.prototype;
+//            klass.prototype = new subclass;
+//            parent.subclasses.push( klass );
+//        }
+//
+//        for( var i = 0; i < properties.length; i++ )
+//            klass.addMethods( properties[i] );
+//
+//        if( !klass.prototype.initialize )
+//            klass.prototype.initialize = Prototype.emptyFunction;
+//
+//        klass.prototype.constructor = klass;
+//
+//        return klass;
+//    }
+//};
+//
+//Class.Methods = {
+//    addMethods: function( source )
+//    {
+//        var ancestor = this.superclass && this.superclass.prototype;
+//        var properties = Object.keys( source );
+//
+//        if( !Object.keys( { toString: true } ).length )
+//            properties.push( "toString", "valueOf" );
+//
+//        for( var i = 0, length = properties.length; i < length; i++ )
+//        {
+//            var property = properties[i], value = source[property];
+//            if( ancestor && Object.isFunction( value ) &&
+//                    value.argumentNames().first() == "$super" )
+//            {
+//                var method = value;
+//                value = (function( m )
+//                {
+//                    return function()
+//                    {
+//                        return ancestor[m].apply( this, arguments )
+//                    };
+//                })( property ).wrap( method );
+//
+//                value.valueOf = method.valueOf.bind( method );
+//                value.toString = method.toString.bind( method );
+//            }
+//            this.prototype[property] = value;
+//        }
+//
+//        return this;
+//    }
+//};
+
+//var Abstract = { };
+//
+//Object.extend = function( destination, source )
+//{
+//    for( var property in source )
+//        destination[property] = source[property];
+//    return destination;
+//};
+//
+//Object.extend( Object, {
+//    inspect: function( object )
+//    {
+//        try
+//        {
+//            if( Object.isUndefined( object ) ) return 'undefined';
+//            if( object === null ) return 'null';
+//            return object.inspect ? object.inspect() : String( object );
+//        }
+//        catch ( e )
+//        {
+//            if( e instanceof RangeError ) return '...';
+//            throw e;
+//        }
+//    },
+//
+//    toJSON: function( object )
+//    {
+//        var type = typeof object;
+//        switch( type )
+//        {
+//            case 'undefined':
+//            case 'function':
+//            case 'unknown': return;
+//            case 'boolean': return object.toString();
+//        }
+//
+//        if( object === null ) return 'null';
+//        if( object.toJSON ) return object.toJSON();
+//        if( Object.isElement( object ) ) return;
+//
+//        var results = [];
+//        for( var property in object )
+//        {
+//            var value = Object.toJSON( object[property] );
+//            if( !Object.isUndefined( value ) )
+//                results.push( property.toJSON() + ': ' + value );
+//        }
+//
+//        return '{' + results.join( ', ' ) + '}';
+//    },
+//
+//    toQueryString: function( object )
+//    {
+//        return $H( object ).toQueryString();
+//    },
+//
+//    toHTML: function( object )
+//    {
+//        return object && object.toHTML ? object.toHTML() : String.interpret( object );
+//    },
+//
+//    keys: function( object )
+//    {
+//        var keys = [];
+//        for( var property in object )
+//            keys.push( property );
+//        return keys;
+//    },
+//
+//    values: function( object )
+//    {
+//        var values = [];
+//        for( var property in object )
+//            values.push( object[property] );
+//        return values;
+//    },
+//
+//    clone: function( object )
+//    {
+//        return Object.extend( { }, object );
+//    },
+//
+//    isElement: function( object )
+//    {
+//        return !!(object && object.nodeType == 1);
+//    },
+//
+//    isArray: function( object )
+//    {
+//        return object != null && typeof object == "object" &&
+//                'splice' in object && 'join' in object;
+//    },
+//
+//    isHash: function( object )
+//    {
+//        return object instanceof Hash;
+//    },
+//
+//    isFunction: function( object )
+//    {
+//        return typeof object == "function";
+//    },
+//
+//    isString: function( object )
+//    {
+//        return typeof object == "string";
+//    },
+//
+//    isNumber: function( object )
+//    {
+//        return typeof object == "number";
+//    },
+//
+//    isUndefined: function( object )
+//    {
+//        return typeof object == "undefined";
+//    }
+//} );
+//
+//Object.extend( Function.prototype, {
+//    argumentNames: function()
+//    {
+//        var names = this.toString().match( /^[\s\(]*function[^(]*\(([^\)]*)\)/ )[1]
+//                .replace( /\s+/g, '' ).split( ',' );
+//        return names.length == 1 && !names[0] ? [] : names;
+//    },
+//
+//    bind: function()
+//    {
+//        if( arguments.length < 2 && Object.isUndefined( arguments[0] ) ) return this;
+//        var __method = this, args = $A( arguments ), object = args.shift();
+//        return function()
+//        {
+//            return __method.apply( object, args.concat( $A( arguments ) ) );
+//        }
+//    },
+//
+//    bindAsEventListener: function()
+//    {
+//        var __method = this, args = $A( arguments ), object = args.shift();
+//        return function( event )
+//        {
+//            return __method.apply( object, [event || window.event].concat( args ) );
+//        }
+//    },
+//
+//    curry: function()
+//    {
+//        if( !arguments.length ) return this;
+//        var __method = this, args = $A( arguments );
+//        return function()
+//        {
+//            return __method.apply( this, args.concat( $A( arguments ) ) );
+//        }
+//    },
+//
+//    delay: function()
+//    {
+//        var __method = this, args = $A( arguments ), timeout = args.shift() * 1000;
+//        return window.setTimeout( function()
+//        {
+//            return __method.apply( __method, args );
+//        }, timeout );
+//    },
+//
+//    defer: function()
+//    {
+//        var args = [0.01].concat( $A( arguments ) );
+//        return this.delay.apply( this, args );
+//    },
+//
+//    wrap: function( wrapper )
+//    {
+//        var __method = this;
+//        return function()
+//        {
+//            return wrapper.apply( this, [__method.bind( this )].concat( $A( arguments ) ) );
+//        }
+//    },
+//
+//    methodize: function()
+//    {
+//        if( this._methodized ) return this._methodized;
+//        var __method = this;
+//        return this._methodized = function()
+//        {
+//            return __method.apply( null, [this].concat( $A( arguments ) ) );
+//        };
+//    }
+//} );

ether_megapoli/trunk/web/resources/js/library/jquery.js

@@ -10 +10 @@
  * Revision: 6246
  */
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+    {
+        return o.inArray( E && E.jquery ? E[0] : E, this )
+    },attr:function( F, H, G )
+    {
+        var E = F;
+        if( typeof F === "string" )
+        {
+            if( H === g )
+            {
+                return this[0] && o[G || "attr"]( this[0], F )
+            }
+            else
+            {
+                E = {};
+                E[F] = H
+            }
+        }
+        return this.each( function( I )
+        {
+            for( F in E )
+            {
+                o.attr( G ? this.style : this, F, o.prop( this, E[F], G, I, F ) )
+            }
+        } )
+    },css:function( E, F )
+    {
+        if( (E == "width" || E == "height") && parseFloat( F ) < 0 )
+        {
+            F = g
+        }
+        return this.attr( E, F, "curCSS" )
+    },text:function( F )
+    {
+        if( typeof F !== "object" && F != null )
+        {
+            return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( F ) )
+        }
+        var E = "";
+        o.each( F || this, function()
+        {
+            o.each( this.childNodes, function()
+            {
+                if( this.nodeType != 8 )
+                {
+                    E += this.nodeType != 1 ? this.nodeValue : o.fn.text( [this] )
+                }
+            } )
+        } );
+        return E
+    },wrapAll:function( E )
+    {
+        if( this[0] )
+        {
+            var F = o( E, this[0].ownerDocument ).clone();
+            if( this[0].parentNode )
+            {
+                F.insertBefore( this[0] )
+            }
+            F.map(
+                    function()
+                    {
+                        var G = this;
+                        while( G.firstChild )
+                        {
+                            G = G.firstChild
+                        }
+                        return G
+                    } ).append( this )
+        }
+        return this
+    },wrapInner:function( E )
+    {
+        return this.each( function()
+        {
+            o( this ).contents().wrapAll( E )
+        } )
+    },wrap:function( E )
+    {
+        return this.each( function()
+        {
+            o( this ).wrapAll( E )
+        } )
+    },append:function()
+    {
+        return this.domManip( arguments, true, function( E )
+        {
+            if( this.nodeType == 1 )
+            {
+                this.appendChild( E )
+            }
+        } )
+    },prepend:function()
+    {
+        return this.domManip( arguments, true, function( E )
+        {
+            if( this.nodeType == 1 )
+            {
+                this.insertBefore( E, this.firstChild )
+            }
+        } )
+    },before:function()
+    {
+        return this.domManip( arguments, false, function( E )
+        {
+            this.parentNode.insertBefore( E, this )
+        } )
+    },after:function()
+    {
+        return this.domManip( arguments, false, function( E )
+        {
+            this.parentNode.insertBefore( E, this.nextSibling )
+        } )
+    },end:function()
+    {
+        return this.prevObject || o( [] )
+    },push:[].push,sort:[].sort,splice:[].splice,find:function( E )
+    {
+        if( this.length === 1 )
+        {
+            var F = this.pushStack( [], "find", E );
+            F.length = 0;
+            o.find( E, this[0], F );
+            return F
+        }
+        else
+        {
+            return this.pushStack( o.unique( o.map( this, function( G )
+            {
+                return o.find( E, G )
+            } ) ), "find", E )
+        }
+    },clone:function( G )
+    {
+        var E = this.map( function()
+        {
+            if( !o.support.noCloneEvent && !o.isXMLDoc( this ) )
+            {
+                var I = this.outerHTML;
+                if( !I )
+                {
+                    var J = this.ownerDocument.createElement( "div" );
+                    J.appendChild( this.cloneNode( true ) );
+                    I = J.innerHTML
+                }
+                return o.clean( [I.replace( / jQuery\d+="(?:\d+|null)"/g, "" ).replace( /^\s*/, "" )] )[0]
+            }
+            else
+            {
+                return this.cloneNode( true )
+            }
+        } );
+        if( G === true )
+        {
+            var H = this.find( "*" ).andSelf(),F = 0;
+            E.find( "*" ).andSelf().each( function()
+            {
+                if( this.nodeName !== H[F].nodeName )
+                {
+                    return
+                }
+                var I = o.data( H[F], "events" );
+                for( var K in I )
+                {
+                    for( var J in I[K] )
+                    {
+                        o.event.add( this, K, I[K][J], I[K][J].data )
+                    }
+                }
+                F++
+            } )
+        }
+        return E
+    },filter:function( E )
+    {
+        return this.pushStack( o.isFunction( E ) && o.grep( this, function( G, F )
+        {
+            return E.call( G, F )
+        } ) || o.multiFilter( E, o.grep( this, function( F )
+        {
+            return F.nodeType === 1
+        } ) ), "filter", E )
+    },closest:function( E )
+    {
+        var G = o.expr.match.POS.test( E ) ? o( E ) : null,F = 0;
+        return this.map( function()
+        {
+            var H = this;
+            while( H && H.ownerDocument )
+            {
+                if( G ? G.index( H ) > -1 : o( H ).is( E ) )
+                {
+                    o.data( H, "closest", F );
+                    return H
+                }
+                H = H.parentNode;
+                F++
+            }
+        } )
+    },not:function( E )
+    {
+        if( typeof E === "string" )
+        {
+            if( f.test( E ) )
+            {
+                return this.pushStack( o.multiFilter( E, this, true ), "not", E )
+            }
+            else
+            {
+                E = o.multiFilter( E, this )
+            }
+        }
+        var F = E.length && E[E.length - 1] !== g && !E.nodeType;
+        return this.filter( function()
+        {
+            return F ? o.inArray( this, E ) < 0 : this != E
+        } )
+    },add:function( E )
+    {
+        return this.pushStack( o.unique( o.merge( this.get(), typeof E === "string" ? o( E ) : o.makeArray( E ) ) ) )
+    },is:function( E )
+    {
+        return !!E && o.multiFilter( E, this ).length > 0
+    },hasClass:function( E )
+    {
+        return !!E && this.is( "." + E )
+    },val:function( K )
+    {
+        if( K === g )
+        {
+            var E = this[0];
+            if( E )
+            {
+                if( o.nodeName( E, "option" ) )
+                {
+                    return(E.attributes.value || {}).specified ? E.value : E.text
+                }
+                if( o.nodeName( E, "select" ) )
+                {
+                    var I = E.selectedIndex,L = [],M = E.options,H = E.type == "select-one";
+                    if( I < 0 )
+                    {
+                        return null
+                    }
+                    for( var F = H ? I : 0,J = H ? I + 1 : M.length; F < J; F++ )
+                    {
+                        var G = M[F];
+                        if( G.selected )
+                        {
+                            K = o( G ).val();
+                            if( H )
+                            {
+                                return K
+                            }
+                            L.push( K )
+                        }
+                    }
+                    return L
+                }
+                return(E.value || "").replace( /\r/g, "" )
+            }
+            return g
+        }
+        if( typeof K === "number" )
+        {
+            K += ""
+        }
+        return this.each( function()
+        {
+            if( this.nodeType != 1 )
+            {
+                return
+            }
+            if( o.isArray( K ) && /radio|checkbox/.test( this.type ) )
+            {
+                this.checked = (o.inArray( this.value, K ) >= 0 || o.inArray( this.name, K ) >= 0)
+            }
+            else
+            {
+                if( o.nodeName( this, "select" ) )
+                {
+                    var N = o.makeArray( K );
+                    o( "option", this ).each( function()
+                    {
+                        this.selected = (o.inArray( this.value, N ) >= 0 || o.inArray( this.text, N ) >= 0)
+                    } );
+                    if( !N.length )
+                    {
+                        this.selectedIndex = -1
+                    }
+                }
+                else
+                {
+                    this.value = K
+                }
+            }
+        } )
+    },html:function( E )
+    {
+        return E === g ? (this[0] ? this[0].innerHTML.replace( / jQuery\d+="(?:\d+|null)"/g, "" ) : null) : this.empty().append( E )
+    },replaceWith:function( E )
+    {
+        return this.after( E ).remove()
+    },eq:function( E )
+    {
+        return this.slice( E, +E + 1 )
+    },slice:function()
+    {
+        return this.pushStack( Array.prototype.slice.apply( this, arguments ), "slice", Array.prototype.slice.call( arguments ).join( "," ) )
+    },map:function( E )
+    {
+        return this.pushStack( o.map( this, function( G, F )
+        {
+            return E.call( G, F, G )
+        } ) )
+    },andSelf:function()
+    {
+        return this.add( this.prevObject )
+    },domManip:function( J, M, L )
+    {
+        if( this[0] )
+        {
+            var I = (this[0].ownerDocument || this[0]).createDocumentFragment(),F = o.clean( J, (this[0].ownerDocument || this[0]), I ),H = I.firstChild;
+            if( H )
+            {
+                for( var G = 0,E = this.length; G < E; G++ )
+                {
+                    L.call( K( this[G], H ), this.length > 1 || G > 0 ? I.cloneNode( true ) : I )
+                }
+            }
+            if( F )
+            {
+                o.each( F, z )
+            }
+        }
+        return this;
+        function K( N, O )
+        {
+            return M && o.nodeName( N, "table" ) && o.nodeName( O, "tr" ) ? (N.getElementsByTagName( "tbody" )[0] || N.appendChild( N.ownerDocument.createElement( "tbody" ) )) : N
+        }
+    }};
+    o.fn.init.prototype = o.fn;
+    function z( E, F )
+    {
+        if( F.src )
+        {
+            o.ajax( {url:F.src,async:false,dataType:"script"} )
+        }
+        else
+        {
+            o.globalEval( F.text || F.textContent || F.innerHTML || "" )
+        }
+        if( F.parentNode )
+        {
+            F.parentNode.removeChild( F )
+        }
+    }
+
+    function e()
+    {
+        return +new Date
+    }
+
+    o.extend = o.fn.extend = function()
+    {
+        var J = arguments[0] || {},H = 1,I = arguments.length,E = false,G;
+        if( typeof J === "boolean" )
+        {
+            E = J;
+            J = arguments[1] || {};
+            H = 2
+        }
+        if( typeof J !== "object" && !o.isFunction( J ) )
+        {
+            J = {}
+        }
+        if( I == H )
+        {
+            J = this;
+            --H
+        }
+        for( ; H < I; H++ )
+        {
+            if( (G = arguments[H]) != null )
+            {
+                for( var F in G )
+                {
+                    var K = J[F],L = G[F];
+                    if( J === L )
+                    {
+                        continue
+                    }
+                    if( E && L && typeof L === "object" && !L.nodeType )
+                    {
+                        J[F] = o.extend( E, K || (L.length != null ? [] : {}), L )
+                    }
+                    else
+                    {
+                        if( L !== g )
+                        {
+                            J[F] = L
+                        }
+                    }
+                }
+            }
+        }
+        return J
+    };
+    var b = /z-?index|font-?weight|opacity|zoom|line-?height/i,q = document.defaultView || {},s = Object.prototype.toString;
+    o.extend( {noConflict:function( E )
+    {
+        l.$ = p;
+        if( E )
+        {
+            l.jQuery = y
+        }
+        return o
+    },isFunction:function( E )
+    {
+        return s.call( E ) === "[object Function]"
+    },isArray:function( E )
+    {
+        return s.call( E ) === "[object Array]"
+    },isXMLDoc:function( E )
+    {
+        return E.nodeType === 9 && E.documentElement.nodeName !== "HTML" || !!E.ownerDocument && o.isXMLDoc( E.ownerDocument )
+    },globalEval:function( G )
+    {
+        if( G && /\S/.test( G ) )
+        {
+            var F = document.getElementsByTagName( "head" )[0] || document.documentElement,E = document.createElement( "script" );
+            E.type = "text/javascript";
+            if( o.support.scriptEval )
+            {
+                E.appendChild( document.createTextNode( G ) )
+            }
+            else
+            {
+                E.text = G
+            }
+            F.insertBefore( E, F.firstChild );
+            F.removeChild( E )
+        }
+    },nodeName:function( F, E )
+    {
+        return F.nodeName && F.nodeName.toUpperCase() == E.toUpperCase()
+    },each:function( G, K, F )
+    {
+        var E,H = 0,I = G.length;
+        if( F )
+        {
+            if( I === g )
+            {
+                for( E in G )
+                {
+                    if( K.apply( G[E], F ) === false )
+                    {
+                        break
+                    }
+                }
+            }
+            else
+            {
+                for( ; H < I; )
+                {
+                    if( K.apply( G[H++], F ) === false )
+                    {
+                        break
+                    }
+                }
+            }
+        }
+        else
+        {
+            if( I === g )
+            {
+                for( E in G )
+                {
+                    if( K.call( G[E], E, G[E] ) === false )
+                    {
+                        break
+                    }
+                }
+            }
+            else
+            {
+                for( var J = G[0]; H < I && K.call( J, H, J ) !== false; J = G[++H] )
+                {
+                }
+            }
+        }
+        return G
+    },prop:function( H, I, G, F, E )
+    {
+        if( o.isFunction( I ) )
+        {
+            I = I.call( H, F )
+        }
+        return typeof I === "number" && G == "curCSS" && !b.test( E ) ? I + "px" : I
+    },className:{add:function( E, F )
+    {
+        o.each( (F || "").split( /\s+/ ), function( G, H )
+        {
+            if( E.nodeType == 1 && !o.className.has( E.className, H ) )
+            {
+                E.className += (E.className ? " " : "") + H
+            }
+        } )
+    },remove:function( E, F )
+    {
+        if( E.nodeType == 1 )
+        {
+            E.className = F !== g ? o.grep( E.className.split( /\s+/ ),
+                    function( G )
+                    {
+                        return !o.className.has( F, G )
+                    } ).join( " " ) : ""
+        }
+    },has:function( F, E )
+    {
+        return F && o.inArray( E, (F.className || F).toString().split( /\s+/ ) ) > -1
+    }},swap:function( H, G, I )
+    {
+        var E = {};
+        for( var F in G )
+        {
+            E[F] = H.style[F];
+            H.style[F] = G[F]
+        }
+        I.call( H );
+        for( var F in G )
+        {
+            H.style[F] = E[F]
+        }
+    },css:function( H, F, J, E )
+    {
+        if( F == "width" || F == "height" )
+        {
+            var L,G = {position:"absolute",visibility:"hidden",display:"block"},K = F == "width" ? ["Left","Right"] : ["Top","Bottom"];
+
+            function I()
+            {
+                L = F == "width" ? H.offsetWidth : H.offsetHeight;
+                if( E === "border" )
+                {
+                    return
+                }
+                o.each( K, function()
+                {
+                    if( !E )
+                    {
+                        L -= parseFloat( o.curCSS( H, "padding" + this, true ) ) || 0
+                    }
+                    if( E === "margin" )
+                    {
+                        L += parseFloat( o.curCSS( H, "margin" + this, true ) ) || 0
+                    }
+                    else
+                    {
+                        L -= parseFloat( o.curCSS( H, "border" + this + "Width", true ) ) || 0
+                    }
+                } )
+            }
+
+            if( H.offsetWidth !== 0 )
+            {
+                I()
+            }
+            else
+            {
+                o.swap( H, G, I )
+            }
+            return Math.max( 0, Math.round( L ) )
+        }
+        return o.curCSS( H, F, J )
+    },curCSS:function( I, F, G )
+    {
+        var L,E = I.style;
+        if( F == "opacity" && !o.support.opacity )
+        {
+            L = o.attr( E, "opacity" );
+            return L == "" ? "1" : L
+        }
+        if( F.match( /float/i ) )
+        {
+            F = w
+        }
+        if( !G && E && E[F] )
+        {
+            L = E[F]
+        }
+        else
+        {
+            if( q.getComputedStyle )
+            {
+                if( F.match( /float/i ) )
+                {
+                    F = "float"
+                }
+                F = F.replace( /([A-Z])/g, "-$1" ).toLowerCase();
+                var M = q.getComputedStyle( I, null );
+                if( M )
+                {
+                    L = M.getPropertyValue( F )
+                }
+                if( F == "opacity" && L == "" )
+                {
+                    L = "1"
+                }
+            }
+            else
+            {
+                if( I.currentStyle )
+                {
+                    var J = F.replace( /\-(\w)/g, function( N, O )
+                    {
+                        return O.toUpperCase()
+                    } );
+                    L = I.currentStyle[F] || I.currentStyle[J];
+                    if( !/^\d+(px)?$/i.test( L ) && /^\d/.test( L ) )
+                    {
+                        var H = E.left,K = I.runtimeStyle.left;
+                        I.runtimeStyle.left = I.currentStyle.left;
+                        E.left = L || 0;
+                        L = E.pixelLeft + "px";
+                        E.left = H;
+                        I.runtimeStyle.left = K
+                    }
+                }
+            }
+        }
+        return L
+    },clean:function( F, K, I )
+    {
+        K = K || document;
+        if( typeof K.createElement === "undefined" )
+        {
+            K = K.ownerDocument || K[0] && K[0].ownerDocument || document
+        }
+        if( !I && F.length === 1 && typeof F[0] === "string" )
+        {
+            var H = /^<(\w+)\s*\/?>$/.exec( F[0] );
+            if( H )
+            {
+                return[K.createElement( H[1] )]
+            }
+        }
+        var G = [],E = [],L = K.createElement( "div" );
+        o.each( F, function( P, S )
+        {
+            if( typeof S === "number" )
+            {
+                S += ""
+            }
+            if( !S )
+            {
+                return
+            }
+            if( typeof S === "string" )
+            {
+                S = S.replace( /(<(\w+)[^>]*?)\/>/g, function( U, V, T )
+                {
+                    return T.match( /^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i ) ? U : V + "></" + T + ">"
+                } );
+                var O = S.replace( /^\s+/, "" ).substring( 0, 10 ).toLowerCase();
+                var Q = !O.indexOf( "<opt" ) && [1,"<select multiple='multiple'>","</select>"] || !O.indexOf( "<leg" ) && [1,"<fieldset>","</fieldset>"] || O.match( /^<(thead|tbody|tfoot|colg|cap)/ ) && [1,"<table>","</table>"] || !O.indexOf( "<tr" ) && [2,"<table><tbody>","</tbody></table>"] || (!O.indexOf( "<td" ) || !O.indexOf( "<th" )) && [3,"<table><tbody><tr>","</tr></tbody></table>"] || !O.indexOf( "<col" ) && [2,"<table><tbody></tbody><colgroup>","</colgroup></table>"] || !o.support.htmlSerialize && [1,"div<div>","</div>"] || [0,"",""];
+                L.innerHTML = Q[1] + S + Q[2];
+                while( Q[0]-- )
+                {
+                    L = L.lastChild
+                }
+                if( !o.support.tbody )
+                {
+                    var R = /<tbody/i.test( S ),N = !O.indexOf( "<table" ) && !R ? L.firstChild && L.firstChild.childNodes : Q[1] == "<table>" && !R ? L.childNodes : [];
+                    for( var M = N.length - 1; M >= 0; --M )
+                    {
+                        if( o.nodeName( N[M], "tbody" ) && !N[M].childNodes.length )
+                        {
+                            N[M].parentNode.removeChild( N[M] )
+                        }
+                    }
+                }
+                if( !o.support.leadingWhitespace && /^\s/.test( S ) )
+                {
+                    L.insertBefore( K.createTextNode( S.match( /^\s*/ )[0] ), L.firstChild )
+                }
+                S = o.makeArray( L.childNodes )
+            }
+            if( S.nodeType )
+            {
+                G.push( S )
+            }
+            else
+            {
+                G = o.merge( G, S )
+            }
+        } );
+        if( I )
+        {
+            for( var J = 0; G[J]; J++ )
+            {
+                if( o.nodeName( G[J], "script" ) && (!G[J].type || G[J].type.toLowerCase() === "text/javascript") )
+                {
+                    E.push( G[J].parentNode ? G[J].parentNode.removeChild( G[J] ) : G[J] )
+                }
+                else
+                {
+                    if( G[J].nodeType === 1 )
+                    {
+                        G.splice.apply( G, [J + 1,0].concat( o.makeArray( G[J].getElementsByTagName( "script" ) ) ) )
+                    }
+                    I.appendChild( G[J] )
+                }
+            }
+            return E
+        }
+        return G
+    },attr:function( J, G, K )
+    {
+        if( !J || J.nodeType == 3 || J.nodeType == 8 )
+        {
+            return g
+        }
+        var H = !o.isXMLDoc( J ),L = K !== g;
+        G = H && o.props[G] || G;
+        if( J.tagName )
+        {
+            var F = /href|src|style/.test( G );
+            if( G == "selected" && J.parentNode )
+            {
+                J.parentNode.selectedIndex
+            }
+            if( G in J && H && !F )
+            {
+                if( L )
+                {
+                    if( G == "type" && o.nodeName( J, "input" ) && J.parentNode )
+                    {
+                        throw"type property can't be changed"
+                    }
+                    J[G] = K
+                }
+                if( o.nodeName( J, "form" ) && J.getAttributeNode( G ) )
+                {
+                    return J.getAttributeNode( G ).nodeValue
+                }
+                if( G == "tabIndex" )
+                {
+                    var I = J.getAttributeNode( "tabIndex" );
+                    return I && I.specified ? I.value : J.nodeName.match( /(button|input|object|select|textarea)/i ) ? 0 : J.nodeName.match( /^(a|area)$/i ) && J.href ? 0 : g
+                }
+                return J[G]
+            }
+            if( !o.support.style && H && G == "style" )
+            {
+                return o.attr( J.style, "cssText", K )
+            }
+            if( L )
+            {
+                J.setAttribute( G, "" + K )
+            }
+            var E = !o.support.hrefNormalized && H && F ? J.getAttribute( G, 2 ) : J.getAttribute( G );
+            return E === null ? g : E
+        }
+        if( !o.support.opacity && G == "opacity" )
+        {
+            if( L )
+            {
+                J.zoom = 1;
+                J.filter = (J.filter || "").replace( /alpha\([^)]*\)/, "" ) + (parseInt( K ) + "" == "NaN" ? "" : "alpha(opacity=" + K * 100 + ")")
+            }
+            return J.filter && J.filter.indexOf( "opacity=" ) >= 0 ? (parseFloat( J.filter.match( /opacity=([^)]*)/ )[1] ) / 100) + "" : ""
+        }
+        G = G.replace( /-([a-z])/ig, function( M, N )
+        {
+            return N.toUpperCase()
+        } );
+        if( L )
+        {
+            J[G] = K
+        }
+        return J[G]
+    },trim:function( E )
+    {
+        return(E || "").replace( /^\s+|\s+$/g, "" )
+    },makeArray:function( G )
+    {
+        var E = [];
+        if( G != null )
+        {
+            var F = G.length;
+            if( F == null || typeof G === "string" || o.isFunction( G ) || G.setInterval )
+            {
+                E[0] = G
+            }
+            else
+            {
+                while( F )
+                {
+                    E[--F] = G[F]
+                }
+            }
+        }
+        return E
+    },inArray:function( G, H )
+    {
+        for( var E = 0,F = H.length; E < F; E++ )
+        {
+            if( H[E] === G )
+            {
+                return E
+            }
+        }
+        return -1
+    },merge:function( H, E )
+    {
+        var F = 0,G,I = H.length;
+        if( !o.support.getAll )
+        {
+            while( (G = E[F++]) != null )
+            {
+                if( G.nodeType != 8 )
+                {
+                    H[I++] = G
+                }
+            }
+        }
+        else
+        {
+            while( (G = E[F++]) != null )
+            {
+                H[I++] = G
+            }
+        }
+        return H
+    },unique:function( K )
+    {
+        var F = [],E = {};
+        try
+        {
+            for( var G = 0,H = K.length; G < H; G++ )
+            {
+                var J = o.data( K[G] );
+                if( !E[J] )
+                {
+                    E[J] = true;
+                    F.push( K[G] )
+                }
+            }
+        }
+        catch( I )
+        {
+            F = K
+        }
+        return F
+    },grep:function( F, J, E )
+    {
+        var G = [];
+        for( var H = 0,I = F.length; H < I; H++ )
+        {
+            if( !E != !J( F[H], H ) )
+            {
+                G.push( F[H] )
+            }
+        }
+        return G
+    },map:function( E, J )
+    {
+        var F = [];
+        for( var G = 0,H = E.length; G < H; G++ )
+        {
+            var I = J( E[G], G );
+            if( I != null )
+            {
+                F[F.length] = I
+            }
+        }
+        return F.concat.apply( [], F )
+    }} );
+    var C = navigator.userAgent.toLowerCase();
+    o.browser = {version:(C.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,"0"])[1],safari:/webkit/.test( C ),opera:/opera/.test( C ),msie:/msie/.test( C ) && !/opera/.test( C ),mozilla:/mozilla/.test( C ) && !/(compatible|webkit)/.test( C )};
+    o.each( {parent:function( E )
+    {
+        return E.parentNode
+    },parents:function( E )
+    {
+        return o.dir( E, "parentNode" )
+    },next:function( E )
+    {
+        return o.nth( E, 2, "nextSibling" )
+    },prev:function( E )
+    {
+        return o.nth( E, 2, "previousSibling" )
+    },nextAll:function( E )
+    {
+        return o.dir( E, "nextSibling" )
+    },prevAll:function( E )
+    {
+        return o.dir( E, "previousSibling" )
+    },siblings:function( E )
+    {
+        return o.sibling( E.parentNode.firstChild, E )
+    },children:function( E )
+    {
+        return o.sibling( E.firstChild )
+    },contents:function( E )
+    {
+        return o.nodeName( E, "iframe" ) ? E.contentDocument || E.contentWindow.document : o.makeArray( E.childNodes )
+    }}, function( E, F )
+    {
+        o.fn[E] = function( G )
+        {
+            var H = o.map( this, F );
+            if( G && typeof G == "string" )
+            {
+                H = o.multiFilter( G, H )
+            }
+            return this.pushStack( o.unique( H ), E, G )
+        }
+    } );
+    o.each( {appendTo:"append",prependTo:"prepend",insertBefore:"before",insertAfter:"after",replaceAll:"replaceWith"}, function( E, F )
+    {
+        o.fn[E] = function( G )
+        {
+            var J = [],L = o( G );
+            for( var K = 0,H = L.length; K < H; K++ )
+            {
+                var I = (K > 0 ? this.clone( true ) : this).get();
+                o.fn[F].apply( o( L[K] ), I );
+                J = J.concat( I )
+            }
+            return this.pushStack( J, E, G )
+        }
+    } );
+    o.each( {removeAttr:function( E )
+    {
+        o.attr( this, E, "" );
+        if( this.nodeType == 1 )
+        {
+            this.removeAttribute( E )
+        }
+    },addClass:function( E )
+    {
+        o.className.add( this, E )
+    },removeClass:function( E )
+    {
+        o.className.remove( this, E )
+    },toggleClass:function( F, E )
+    {
+        if( typeof E !== "boolean" )
+        {
+            E = !o.className.has( this, F )
+        }
+        o.className[E ? "add" : "remove"]( this, F )
+    },remove:function( E )
+    {
+        if( !E || o.filter( E, [this] ).length )
+        {
+            o( "*", this ).add( [this] ).each( function()
+            {
+                o.event.remove( this );
+                o.removeData( this )
+            } );
+            if( this.parentNode )
+            {
+                this.parentNode.removeChild( this )
+            }
+        }
+    },empty:function()
+    {
+        o( this ).children().remove();
+        while( this.firstChild )
+        {
+            this.removeChild( this.firstChild )
+        }
+    }}, function( E, F )
+    {
+        o.fn[E] = function()
+        {
+            return this.each( F, arguments )
+        }
+    } );
+    function j( E, F )
+    {
+        return E[0] && parseInt( o.curCSS( E[0], F, true ), 10 ) || 0
+    }
+
+    var h = "jQuery" + e(),v = 0,A = {};
+    o.extend( {cache:{},data:function( F, E, G )
+    {
+        F = F == l ? A : F;
+        var H = F[h];
+        if( !H )
+        {
+            H = F[h] = ++v
+        }
+        if( E && !o.cache[H] )
+        {
+            o.cache[H] = {}
+        }
+        if( G !== g )
+        {
+            o.cache[H][E] = G
+        }
+        return E ? o.cache[H][E] : H
+    },removeData:function( F, E )
+    {
+        F = F == l ? A : F;
+        var H = F[h];
+        if( E )
+        {
+            if( o.cache[H] )
+            {
+                delete o.cache[H][E];
+                E = "";
+                for( E in o.cache[H] )
+                {
+                    break
+                }
+                if( !E )
+                {
+                    o.removeData( F )
+                }
+            }
+        }
+        else
+        {
+            try
+            {
+                delete F[h]
+            }
+            catch( G )
+            {
+                if( F.removeAttribute )
+                {
+                    F.removeAttribute( h )
+                }
+            }
+            delete o.cache[H]
+        }
+    },queue:function( F, E, H )
+    {
+        if( F )
+        {
+            E = (E || "fx") + "queue";
+            var G = o.data( F, E );
+            if( !G || o.isArray( H ) )
+            {
+                G = o.data( F, E, o.makeArray( H ) )
+            }
+            else
+            {
+                if( H )
+                {
+                    G.push( H )
+                }
+            }
+        }
+        return G
+    },dequeue:function( H, G )
+    {
+        var E = o.queue( H, G ),F = E.shift();
+        if( !G || G === "fx" )
+        {
+            F = E[0]
+        }
+        if( F !== g )
+        {
+            F.call( H )
+        }
+    }} );
+    o.fn.extend( {data:function( E, G )
+    {
+        var H = E.split( "." );
+        H[1] = H[1] ? "." + H[1] : "";
+        if( G === g )
+        {
+            var F = this.triggerHandler( "getData" + H[1] + "!", [H[0]] );
+            if( F === g && this.length )
+            {
+                F = o.data( this[0], E )
+            }
+            return F === g && H[1] ? this.data( H[0] ) : F
+        }
+        else
+        {
+            return this.trigger( "setData" + H[1] + "!", [H[0],G] ).each( function()
+            {
+                o.data( this, E, G )
+            } )
+        }
+    },removeData:function( E )
+    {
+        return this.each( function()
+        {
+            o.removeData( this, E )
+        } )
+    },queue:function( E, F )
+    {
+        if( typeof E !== "string" )
+        {
+            F = E;
+            E = "fx"
+        }
+        if( F === g )
+        {
+            return o.queue( this[0], E )
+        }
+        return this.each( function()
+        {
+            var G = o.queue( this, E, F );
+            if( E == "fx" && G.length == 1 )
+            {
+                G[0].call( this )
+            }
+        } )
+    },dequeue:function( E )
+    {
+        return this.each( function()
+        {
+            o.dequeue( this, E )
+        } )
+    }} );
+    /*
+     * Sizzle CSS Selector Engine - v0.9.3
+     *  Copyright 2009, The Dojo Foundation
+     *  Released under the MIT, BSD, and GPL Licenses.
+     *  More information: http://sizzlejs.com/
+     */
+    (function()
+    {
+        var R = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g,L = 0,H = Object.prototype.toString;
+        var F = function( Y, U, ab, ac )
+        {
+            ab = ab || [];
+            U = U || document;
+            if( U.nodeType !== 1 && U.nodeType !== 9 )
+            {
+                return[]
+            }
+            if( !Y || typeof Y !== "string" )
+            {
+                return ab
+            }
+            var Z = [],W,af,ai,T,ad,V,X = true;
+            R.lastIndex = 0;
+            while( (W = R.exec( Y )) !== null )
+            {
+                Z.push( W[1] );
+                if( W[2] )
+                {
+                    V = RegExp.rightContext;
+                    break
+                }
+            }
+            if( Z.length > 1 && M.exec( Y ) )
+            {
+                if( Z.length === 2 && I.relative[Z[0]] )
+                {
+                    af = J( Z[0] + Z[1], U )
+                }
+                else
+                {
+                    af = I.relative[Z[0]] ? [U] : F( Z.shift(), U );
+                    while( Z.length )
+                    {
+                        Y = Z.shift();
+                        if( I.relative[Y] )
+                        {
+                            Y += Z.shift()
+                        }
+                        af = J( Y, af )
+                    }
+                }
+            }
+            else
+            {
+                var ae = ac ? {expr:Z.pop(),set:E( ac )} : F.find( Z.pop(), Z.length === 1 && U.parentNode ? U.parentNode : U, Q( U ) );
+                af = F.filter( ae.expr, ae.set );
+                if( Z.length > 0 )
+                {
+                    ai = E( af )
+                }
+                else
+                {
+                    X = false
+                }
+                while( Z.length )
+                {
+                    var ah = Z.pop(),ag = ah;
+                    if( !I.relative[ah] )
+                    {
+                        ah = ""
+                    }
+                    else
+                    {
+                        ag = Z.pop()
+                    }
+                    if( ag == null )
+                    {
+                        ag = U
+                    }
+                    I.relative[ah]( ai, ag, Q( U ) )
+                }
+            }
+            if( !ai )
+            {
+                ai = af
+            }
+            if( !ai )
+            {
+                throw"Syntax error, unrecognized expression: " + (ah || Y)
+            }
+            if( H.call( ai ) === "[object Array]" )
+            {
+                if( !X )
+                {
+                    ab.push.apply( ab, ai )
+                }
+                else
+                {
+                    if( U.nodeType === 1 )
+                    {
+                        for( var aa = 0; ai[aa] != null; aa++ )
+                        {
+                            if( ai[aa] && (ai[aa] === true || ai[aa].nodeType === 1 && K( U, ai[aa] )) )
+                            {
+                                ab.push( af[aa] )
+                            }
+                        }
+                    }
+                    else
+                    {
+                        for( var aa = 0; ai[aa] != null; aa++ )
+                        {
+                            if( ai[aa] && ai[aa].nodeType === 1 )
+                            {
+                                ab.push( af[aa] )
+                            }
+                        }
+                    }
+                }
+            }
+            else
+            {
+                E( ai, ab )
+            }
+            if( V )
+            {
+                F( V, U, ab, ac );
+                if( G )
+                {
+                    hasDuplicate = false;
+                    ab.sort( G );
+                    if( hasDuplicate )
+                    {
+                        for( var aa = 1; aa < ab.length; aa++ )
+                        {
+                            if( ab[aa] === ab[aa - 1] )
+                            {
+                                ab.splice( aa--, 1 )
+                            }
+                        }
+                    }
+                }
+            }
+            return ab
+        };
+        F.matches = function( T, U )
+        {
+            return F( T, null, null, U )
+        };
+        F.find = function( aa, T, ab )
+        {
+            var Z,X;
+            if( !aa )
+            {
+                return[]
+            }
+            for( var W = 0,V = I.order.length; W < V; W++ )
+            {
+                var Y = I.order[W],X;
+                if( (X = I.match[Y].exec( aa )) )
+                {
+                    var U = RegExp.leftContext;
+                    if( U.substr( U.length - 1 ) !== "\\" )
+                    {
+                        X[1] = (X[1] || "").replace( /\\/g, "" );
+                        Z = I.find[Y]( X, T, ab );
+                        if( Z != null )
+                        {
+                            aa = aa.replace( I.match[Y], "" );
+                            break
+                        }
+                    }
+                }
+            }
+            if( !Z )
+            {
+                Z = T.getElementsByTagName( "*" )
+            }
+            return{set:Z,expr:aa}
+        };
+        F.filter = function( ad, ac, ag, W )
+        {
+            var V = ad,ai = [],aa = ac,Y,T,Z = ac && ac[0] && Q( ac[0] );
+            while( ad && ac.length )
+            {
+                for( var ab in I.filter )
+                {
+                    if( (Y = I.match[ab].exec( ad )) != null )
+                    {
+                        var U = I.filter[ab],ah,af;
+                        T = false;
+                        if( aa == ai )
+                        {
+                            ai = []
+                        }
+                        if( I.preFilter[ab] )
+                        {
+                            Y = I.preFilter[ab]( Y, aa, ag, ai, W, Z );
+                            if( !Y )
+                            {
+                                T = ah = true
+                            }
+                            else
+                            {
+                                if( Y === true )
+                                {
+                                    continue
+                                }
+                            }
+                        }
+                        if( Y )
+                        {
+                            for( var X = 0; (af = aa[X]) != null; X++ )
+                            {
+                                if( af )
+                                {
+                                    ah = U( af, Y, X, aa );
+                                    var ae = W ^ !!ah;
+                                    if( ag && ah != null )
+                                    {
+                                        if( ae )
+                                        {
+                                            T = true
+                                        }
+                                        else
+                                        {
+                                            aa[X] = false
+                                        }
+                                    }
+                                    else
+                                    {
+                                        if( ae )
+                                        {
+                                            ai.push( af );
+                                            T = true
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                        if( ah !== g )
+                        {
+                            if( !ag )
+                            {
+                                aa = ai
+                            }
+                            ad = ad.replace( I.match[ab], "" );
+                            if( !T )
+                            {
+                                return[]
+                            }
+                            break
+                        }
+                    }
+                }
+                if( ad == V )
+                {
+                    if( T == null )
+                    {
+                        throw"Syntax error, unrecognized expression: " + ad
+                    }
+                    else
+                    {
+                        break
+                    }
+                }
+                V = ad
+            }
+            return aa
+        };
+        var I = F.selectors = {order:["ID","NAME","TAG"],match:{ID:/#((?:[\w\u00c0-\uFFFF_-]|\\.)+)/,CLASS:/\.((?:[\w\u00c0-\uFFFF_-]|\\.)+)/,NAME:/\[name=['"]*((?:[\w\u00c0-\uFFFF_-]|\\.)+)['"]*\]/,ATTR:/\[\s*((?:[\w\u00c0-\uFFFF_-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,TAG:/^((?:[\w\u00c0-\uFFFF\*_-]|\\.)+)/,CHILD:/:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,POS:/:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,PSEUDO:/:((?:[\w\u00c0-\uFFFF_-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/},attrMap:{"class":"className","for":"htmlFor"},attrHandle:{href:function( T )
+        {
+            return T.getAttribute( "href" )
+        }},relative:{"+":function( aa, T, Z )
+        {
+            var X = typeof T === "string",ab = X && !/\W/.test( T ),Y = X && !ab;
+            if( ab && !Z )
+            {
+                T = T.toUpperCase()
+            }
+            for( var W = 0,V = aa.length,U; W < V; W++ )
+            {
+                if( (U = aa[W]) )
+                {
+                    while( (U = U.previousSibling) && U.nodeType !== 1 )
+                    {
+                    }
+                    aa[W] = Y || U && U.nodeName === T ? U || false : U === T
+                }
+            }
+            if( Y )
+            {
+                F.filter( T, aa, true )
+            }
+        },">":function( Z, U, aa )
+        {
+            var X = typeof U === "string";
+            if( X && !/\W/.test( U ) )
+            {
+                U = aa ? U : U.toUpperCase();
+                for( var V = 0,T = Z.length; V < T; V++ )
+                {
+                    var Y = Z[V];
+                    if( Y )
+                    {
+                        var W = Y.parentNode;
+                        Z[V] = W.nodeName === U ? W : false
+                    }
+                }
+            }
+            else
+            {
+                for( var V = 0,T = Z.length; V < T; V++ )
+                {
+                    var Y = Z[V];
+                    if( Y )
+                    {
+                        Z[V] = X ? Y.parentNode : Y.parentNode === U
+                    }
+                }
+                if( X )
+                {
+                    F.filter( U, Z, true )
+                }
+            }
+        },"":function( W, U, Y )
+        {
+            var V = L++,T = S;
+            if( !U.match( /\W/ ) )
+            {
+                var X = U = Y ? U : U.toUpperCase();
+                T = P
+            }
+            T( "parentNode", U, V, W, X, Y )
+        },"~":function( W, U, Y )
+        {
+            var V = L++,T = S;
+            if( typeof U === "string" && !U.match( /\W/ ) )
+            {
+                var X = U = Y ? U : U.toUpperCase();
+                T = P
+            }
+            T( "previousSibling", U, V, W, X, Y )
+        }},find:{ID:function( U, V, W )
+        {
+            if( typeof V.getElementById !== "undefined" && !W )
+            {
+                var T = V.getElementById( U[1] );
+                return T ? [T] : []
+            }
+        },NAME:function( V, Y, Z )
+        {
+            if( typeof Y.getElementsByName !== "undefined" )
+            {
+                var U = [],X = Y.getElementsByName( V[1] );
+                for( var W = 0,T = X.length; W < T; W++ )
+                {
+                    if( X[W].getAttribute( "name" ) === V[1] )
+                    {
+                        U.push( X[W] )
+                    }
+                }
+                return U.length === 0 ? null : U
+            }
+        },TAG:function( T, U )
+        {
+            return U.getElementsByTagName( T[1] )
+        }},preFilter:{CLASS:function( W, U, V, T, Z, aa )
+        {
+            W = " " + W[1].replace( /\\/g, "" ) + " ";
+            if( aa )
+            {
+                return W
+            }
+            for( var X = 0,Y; (Y = U[X]) != null; X++ )
+            {
+                if( Y )
+                {
+                    if( Z ^ (Y.className && (" " + Y.className + " ").indexOf( W ) >= 0) )
+                    {
+                        if( !V )
+                        {
+                            T.push( Y )
+                        }
+                    }
+                    else
+                    {
+                        if( V )
+                        {
+                            U[X] = false
+                        }
+                    }
+                }
+            }
+            return false
+        },ID:function( T )
+        {
+            return T[1].replace( /\\/g, "" )
+        },TAG:function( U, T )
+        {
+            for( var V = 0; T[V] === false; V++ )
+            {
+            }
+            return T[V] && Q( T[V] ) ? U[1] : U[1].toUpperCase()
+        },CHILD:function( T )
+        {
+            if( T[1] == "nth" )
+            {
+                var U = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( T[2] == "even" && "2n" || T[2] == "odd" && "2n+1" || !/\D/.test( T[2] ) && "0n+" + T[2] || T[2] );
+                T[2] = (U[1] + (U[2] || 1)) - 0;
+                T[3] = U[3] - 0
+            }
+            T[0] = L++;
+            return T
+        },ATTR:function( X, U, V, T, Y, Z )
+        {
+            var W = X[1].replace( /\\/g, "" );
+            if( !Z && I.attrMap[W] )
+            {
+                X[1] = I.attrMap[W]
+            }
+            if( X[2] === "~=" )
+            {
+                X[4] = " " + X[4] + " "
+            }
+            return X
+        },PSEUDO:function( X, U, V, T, Y )
+        {
+            if( X[1] === "not" )
+            {
+                if( X[3].match( R ).length > 1 || /^\w/.test( X[3] ) )
+                {
+                    X[3] = F( X[3], null, null, U )
+                }
+                else
+                {
+                    var W = F.filter( X[3], U, V, true ^ Y );
+                    if( !V )
+                    {
+                        T.push.apply( T, W )
+                    }
+                    return false
+                }
+            }
+            else
+            {
+                if( I.match.POS.test( X[0] ) || I.match.CHILD.test( X[0] ) )
+                {
+                    return true
+                }
+            }
+            return X
+        },POS:function( T )
+        {
+            T.unshift( true );
+            return T
+        }},filters:{enabled:function( T )
+        {
+            return T.disabled === false && T.type !== "hidden"
+        },disabled:function( T )
+        {
+            return T.disabled === true
+        },checked:function( T )
+        {
+            return T.checked === true
+        },selected:function( T )
+        {
+            T.parentNode.selectedIndex;
+            return T.selected === true
+        },parent:function( T )
+        {
+            return !!T.firstChild
+        },empty:function( T )
+        {
+            return !T.firstChild
+        },has:function( V, U, T )
+        {
+            return !!F( T[3], V ).length
+        },header:function( T )
+        {
+            return/h\d/i.test( T.nodeName )
+        },text:function( T )
+        {
+            return"text" === T.type
+        },radio:function( T )
+        {
+            return"radio" === T.type
+        },checkbox:function( T )
+        {
+            return"checkbox" === T.type
+        },file:function( T )
+        {
+            return"file" === T.type
+        },password:function( T )
+        {
+            return"password" === T.type
+        },submit:function( T )
+        {
+            return"submit" === T.type
+        },image:function( T )
+        {
+            return"image" === T.type
+        },reset:function( T )
+        {
+            return"reset" === T.type
+        },button:function( T )
+        {
+            return"button" === T.type || T.nodeName.toUpperCase() === "BUTTON"
+        },input:function( T )
+        {
+            return/input|select|textarea|button/i.test( T.nodeName )
+        }},setFilters:{first:function( U, T )
+        {
+            return T === 0
+        },last:function( V, U, T, W )
+        {
+            return U === W.length - 1
+        },even:function( U, T )
+        {
+            return T % 2 === 0
+        },odd:function( U, T )
+        {
+            return T % 2 === 1
+        },lt:function( V, U, T )
+        {
+            return U < T[3] - 0
+        },gt:function( V, U, T )
+        {
+            return U > T[3] - 0
+        },nth:function( V, U, T )
+        {
+            return T[3] - 0 == U
+        },eq:function( V, U, T )
+        {
+            return T[3] - 0 == U
+        }},filter:{PSEUDO:function( Z, V, W, aa )
+        {
+            var U = V[1],X = I.filters[U];
+            if( X )
+            {
+                return X( Z, W, V, aa )
+            }
+            else
+            {
+                if( U === "contains" )
+                {
+                    return(Z.textContent || Z.innerText || "").indexOf( V[3] ) >= 0
+                }
+                else
+                {
+                    if( U === "not" )
+                    {
+                        var Y = V[3];
+                        for( var W = 0,T = Y.length; W < T; W++ )
+                        {
+                            if( Y[W] === Z )
+                            {
+                                return false
+                            }
+                        }
+                        return true
+                    }
+                }
+            }
+        },CHILD:function( T, W )
+        {
+            var Z = W[1],U = T;
+            switch( Z )
+            {case"only":case"first":while( U = U.previousSibling )
+            {
+                if( U.nodeType === 1 )
+                {
+                    return false
+                }
+            }if( Z == "first" )
+            {
+                return true
+            }U = T;case"last":while( U = U.nextSibling )
+            {
+                if( U.nodeType === 1 )
+                {
+                    return false
+                }
+            }return true;case"nth":var V = W[2],ac = W[3];if( V == 1 && ac == 0 )
+            {
+                return true
+            }var Y = W[0],ab = T.parentNode;if( ab && (ab.sizcache !== Y || !T.nodeIndex) )
+            {
+                var X = 0;
+                for( U = ab.firstChild; U; U = U.nextSibling )
+                {
+                    if( U.nodeType === 1 )
+                    {
+                        U.nodeIndex = ++X
+                    }
+                }
+                ab.sizcache = Y
+            }var aa = T.nodeIndex - ac;if( V == 0 )
+            {
+                return aa == 0
+            }
+            else
+            {
+                return(aa % V == 0 && aa / V >= 0)
+            }
+            }
+        },ID:function( U, T )
+        {
+            return U.nodeType === 1 && U.getAttribute( "id" ) === T
+        },TAG:function( U, T )
+        {
+            return(T === "*" && U.nodeType === 1) || U.nodeName === T
+        },CLASS:function( U, T )
+        {
+            return(" " + (U.className || U.getAttribute( "class" )) + " ").indexOf( T ) > -1
+        },ATTR:function( Y, W )
+        {
+            var V = W[1],T = I.attrHandle[V] ? I.attrHandle[V]( Y ) : Y[V] != null ? Y[V] : Y.getAttribute( V ),Z = T + "",X = W[2],U = W[4];
+            return T == null ? X === "!=" : X === "=" ? Z === U : X === "*=" ? Z.indexOf( U ) >= 0 : X === "~=" ? (" " + Z + " ").indexOf( U ) >= 0 : !U ? Z && T !== false : X === "!=" ? Z != U : X === "^=" ? Z.indexOf( U ) === 0 : X === "$=" ? Z.substr( Z.length - U.length ) === U : X === "|=" ? Z === U || Z.substr( 0, U.length + 1 ) === U + "-" : false
+        },POS:function( X, U, V, Y )
+        {
+            var T = U[2],W = I.setFilters[T];
+            if( W )
+            {
+                return W( X, V, U, Y )
+            }
+        }}};
+        var M = I.match.POS;
+        for( var O in I.match )
+        {
+            I.match[O] = RegExp( I.match[O].source + /(?![^\[]*\])(?![^\(]*\))/.source )
+        }
+        var E = function( U, T )
+        {
+            U = Array.prototype.slice.call( U );
+            if( T )
+            {
+                T.push.apply( T, U );
+                return T
+            }
+            return U
+        };
+        try
+        {
+            Array.prototype.slice.call( document.documentElement.childNodes )
+        }
+        catch( N )
+        {
+            E = function( X, W )
+            {
+                var U = W || [];
+                if( H.call( X ) === "[object Array]" )
+                {
+                    Array.prototype.push.apply( U, X )
+                }
+                else
+                {
+                    if( typeof X.length === "number" )
+                    {
+                        for( var V = 0,T = X.length; V < T; V++ )
+                        {
+                            U.push( X[V] )
+                        }
+                    }
+                    else
+                    {
+                        for( var V = 0; X[V]; V++ )
+                        {
+                            U.push( X[V] )
+                        }
+                    }
+                }
+                return U
+            }
+        }
+        var G;
+        if( document.documentElement.compareDocumentPosition )
+        {
+            G = function( U, T )
+            {
+                var V = U.compareDocumentPosition( T ) & 4 ? -1 : U === T ? 0 : 1;
+                if( V === 0 )
+                {
+                    hasDuplicate = true
+                }
+                return V
+            }
+        }
+        else
+        {
+            if( "sourceIndex" in document.documentElement )
+            {
+                G = function( U, T )
+                {
+                    var V = U.sourceIndex - T.sourceIndex;
+                    if( V === 0 )
+                    {
+                        hasDuplicate = true
+                    }
+                    return V
+                }
+            }
+            else
+            {
+                if( document.createRange )
+                {
+                    G = function( W, U )
+                    {
+                        var V = W.ownerDocument.createRange(),T = U.ownerDocument.createRange();
+                        V.selectNode( W );
+                        V.collapse( true );
+                        T.selectNode( U );
+                        T.collapse( true );
+                        var X = V.compareBoundaryPoints( Range.START_TO_END, T );
+                        if( X === 0 )
+                        {
+                            hasDuplicate = true
+                        }
+                        return X
+                    }
+                }
+            }
+        }
+        (function()
+        {
+            var U = document.createElement( "form" ),V = "script" + (new Date).getTime();
+            U.innerHTML = "<input name='" + V + "'/>";
+            var T = document.documentElement;
+            T.insertBefore( U, T.firstChild );
+            if( !!document.getElementById( V ) )
+            {
+                I.find.ID = function( X, Y, Z )
+                {
+                    if( typeof Y.getElementById !== "undefined" && !Z )
+                    {
+                        var W = Y.getElementById( X[1] );
+                        return W ? W.id === X[1] || typeof W.getAttributeNode !== "undefined" && W.getAttributeNode( "id" ).nodeValue === X[1] ? [W] : g : []
+                    }
+                };
+                I.filter.ID = function( Y, W )
+                {
+                    var X = typeof Y.getAttributeNode !== "undefined" && Y.getAttributeNode( "id" );
+                    return Y.nodeType === 1 && X && X.nodeValue === W
+                }
+            }
+            T.removeChild( U )
+        })();
+        (function()
+        {
+            var T = document.createElement( "div" );
+            T.appendChild( document.createComment( "" ) );
+            if( T.getElementsByTagName( "*" ).length > 0 )
+            {
+                I.find.TAG = function( U, Y )
+                {
+                    var X = Y.getElementsByTagName( U[1] );
+                    if( U[1] === "*" )
+                    {
+                        var W = [];
+                        for( var V = 0; X[V]; V++ )
+                        {
+                            if( X[V].nodeType === 1 )
+                            {
+                                W.push( X[V] )
+                            }
+                        }
+                        X = W
+                    }
+                    return X
+                }
+            }
+            T.innerHTML = "<a href='#'></a>";
+            if( T.firstChild && typeof T.firstChild.getAttribute !== "undefined" && T.firstChild.getAttribute( "href" ) !== "#" )
+            {
+                I.attrHandle.href = function( U )
+                {
+                    return U.getAttribute( "href", 2 )
+                }
+            }
+        })();
+        if( document.querySelectorAll )
+        {
+            (function()
+            {
+                var T = F,U = document.createElement( "div" );
+                U.innerHTML = "<p class='TEST'></p>";
+                if( U.querySelectorAll && U.querySelectorAll( ".TEST" ).length === 0 )
+                {
+                    return
+                }
+                F = function( Y, X, V, W )
+                {
+                    X = X || document;
+                    if( !W && X.nodeType === 9 && !Q( X ) )
+                    {
+                        try
+                        {
+                            return E( X.querySelectorAll( Y ), V )
+                        }
+                        catch( Z )
+                        {
+                        }
+                    }
+                    return T( Y, X, V, W )
+                };
+                F.find = T.find;
+                F.filter = T.filter;
+                F.selectors = T.selectors;
+                F.matches = T.matches
+            })()
+        }
+        if( document.getElementsByClassName && document.documentElement.getElementsByClassName )
+        {
+            (function()
+            {
+                var T = document.createElement( "div" );
+                T.innerHTML = "<div class='test e'></div><div class='test'></div>";
+                if( T.getElementsByClassName( "e" ).length === 0 )
+                {
+                    return
+                }
+                T.lastChild.className = "e";
+                if( T.getElementsByClassName( "e" ).length === 1 )
+                {
+                    return
+                }
+                I.order.splice( 1, 0, "CLASS" );
+                I.find.CLASS = function( U, V, W )
+                {
+                    if( typeof V.getElementsByClassName !== "undefined" && !W )
+                    {
+                        return V.getElementsByClassName( U[1] )
+                    }
+                }
+            })()
+        }
+        function P( U, Z, Y, ad, aa, ac )
+        {
+            var ab = U == "previousSibling" && !ac;
+            for( var W = 0,V = ad.length; W < V; W++ )
+            {
+                var T = ad[W];
+                if( T )
+                {
+                    if( ab && T.nodeType === 1 )
+                    {
+                        T.sizcache = Y;
+                        T.sizset = W
+                    }
+                    T = T[U];
+                    var X = false;
+                    while( T )
+                    {
+                        if( T.sizcache === Y )
+                        {
+                            X = ad[T.sizset];
+                            break
+                        }
+                        if( T.nodeType === 1 && !ac )
+                        {
+                            T.sizcache = Y;
+                            T.sizset = W
+                        }
+                        if( T.nodeName === Z )
+                        {
+                            X = T;
+                            break
+                        }
+                        T = T[U]
+                    }
+                    ad[W] = X
+                }
+            }
+        }
+
+        function S( U, Z, Y, ad, aa, ac )
+        {
+            var ab = U == "previousSibling" && !ac;
+            for( var W = 0,V = ad.length; W < V; W++ )
+            {
+                var T = ad[W];
+                if( T )
+                {
+                    if( ab && T.nodeType === 1 )
+                    {
+                        T.sizcache = Y;
+                        T.sizset = W
+                    }
+                    T = T[U];
+                    var X = false;
+                    while( T )
+                    {
+                        if( T.sizcache === Y )
+                        {
+                            X = ad[T.sizset];
+                            break
+                        }
+                        if( T.nodeType === 1 )
+                        {
+                            if( !ac )
+                            {
+                                T.sizcache = Y;
+                                T.sizset = W
+                            }
+                            if( typeof Z !== "string" )
+                            {
+                                if( T === Z )
+                                {
+                                    X = true;
+                                    break
+                                }
+                            }
+                            else
+                            {
+                                if( F.filter( Z, [T] ).length > 0 )
+                                {
+                                    X = T;
+                                    break
+                                }
+                            }
+                        }
+                        T = T[U]
+                    }
+                    ad[W] = X
+                }
+            }
+        }
+
+        var K = document.compareDocumentPosition ? function( U, T )
+        {
+            return U.compareDocumentPosition( T ) & 16
+        } : function( U, T )
+        {
+            return U !== T && (U.contains ? U.contains( T ) : true)
+        };
+        var Q = function( T )
+        {
+            return T.nodeType === 9 && T.documentElement.nodeName !== "HTML" || !!T.ownerDocument && Q( T.ownerDocument )
+        };
+        var J = function( T, aa )
+        {
+            var W = [],X = "",Y,V = aa.nodeType ? [aa] : aa;
+            while( (Y = I.match.PSEUDO.exec( T )) )
+            {
+                X += Y[0];
+                T = T.replace( I.match.PSEUDO, "" )
+            }
+            T = I.relative[T] ? T + "*" : T;
+            for( var Z = 0,U = V.length; Z < U; Z++ )
+            {
+                F( T, V[Z], W )
+            }
+            return F.filter( X, W )
+        };
+        o.find = F;
+        o.filter = F.filter;
+        o.expr = F.selectors;
+        o.expr[":"] = o.expr.filters;
+        F.selectors.filters.hidden = function( T )
+        {
+            return T.offsetWidth === 0 || T.offsetHeight === 0
+        };
+        F.selectors.filters.visible = function( T )
+        {
+            return T.offsetWidth > 0 || T.offsetHeight > 0
+        };
+        F.selectors.filters.animated = function( T )
+        {
+            return o.grep( o.timers,
+                    function( U )
+                    {
+                        return T === U.elem
+                    } ).length
+        };
+        o.multiFilter = function( V, T, U )
+        {
+            if( U )
+            {
+                V = ":not(" + V + ")"
+            }
+            return F.matches( V, T )
+        };
+        o.dir = function( V, U )
+        {
+            var T = [],W = V[U];
+            while( W && W != document )
+            {
+                if( W.nodeType == 1 )
+                {
+                    T.push( W )
+                }
+                W = W[U]
+            }
+            return T
+        };
+        o.nth = function( X, T, V, W )
+        {
+            T = T || 1;
+            var U = 0;
+            for( ; X; X = X[V] )
+            {
+                if( X.nodeType == 1 && ++U == T )
+                {
+                    break
+                }
+            }
+            return X
+        };
+        o.sibling = function( V, U )
+        {
+            var T = [];
+            for( ; V; V = V.nextSibling )
+            {
+                if( V.nodeType == 1 && V != U )
+                {
+                    T.push( V )
+                }
+            }
+            return T
+        };
+        return;
+        l.Sizzle = F
+    })();
+    o.event = {add:function( I, F, H, K )
+    {
+        if( I.nodeType == 3 || I.nodeType == 8 )
+        {
+            return
+        }
+        if( I.setInterval && I != l )
+        {
+            I = l
+        }
+        if( !H.guid )
+        {
+            H.guid = this.guid++
+        }
+        if( K !== g )
+        {
+            var G = H;
+            H = this.proxy( G );
+            H.data = K
+        }
+        var E = o.data( I, "events" ) || o.data( I, "events", {} ),J = o.data( I, "handle" ) || o.data( I, "handle", function()
+        {
+            return typeof o !== "undefined" && !o.event.triggered ? o.event.handle.apply( arguments.callee.elem, arguments ) : g
+        } );
+        J.elem = I;
+        o.each( F.split( /\s+/ ), function( M, N )
+        {
+            var O = N.split( "." );
+            N = O.shift();
+            H.type = O.slice().sort().join( "." );
+            var L = E[N];
+            if( o.event.specialAll[N] )
+            {
+                o.event.specialAll[N].setup.call( I, K, O )
+            }
+            if( !L )
+            {
+                L = E[N] = {};
+                if( !o.event.special[N] || o.event.special[N].setup.call( I, K, O ) === false )
+                {
+                    if( I.addEventListener )
+                    {
+                        I.addEventListener( N, J, false )
+                    }
+                    else
+                    {
+                        if( I.attachEvent )
+                        {
+                            I.attachEvent( "on" + N, J )
+                        }
+                    }
+                }
+            }
+            L[H.guid] = H;
+            o.event.global[N] = true
+        } );
+        I = null
+    },guid:1,global:{},remove:function( K, H, J )
+    {
+        if( K.nodeType == 3 || K.nodeType == 8 )
+        {
+            return
+        }
+        var G = o.data( K, "events" ),F,E;
+        if( G )
+        {
+            if( H === g || (typeof H === "string" && H.charAt( 0 ) == ".") )
+            {
+                for( var I in G )
+                {
+                    this.remove( K, I + (H || "") )
+                }
+            }
+            else
+            {
+                if( H.type )
+                {
+                    J = H.handler;
+                    H = H.type
+                }
+                o.each( H.split( /\s+/ ), function( M, O )
+                {
+                    var Q = O.split( "." );
+                    O = Q.shift();
+                    var N = RegExp( "(^|\\.)" + Q.slice().sort().join( ".*\\." ) + "(\\.|$)" );
+                    if( G[O] )
+                    {
+                        if( J )
+                        {
+                            delete G[O][J.guid]
+                        }
+                        else
+                        {
+                            for( var P in G[O] )
+                            {
+                                if( N.test( G[O][P].type ) )
+                                {
+                                    delete G[O][P]
+                                }
+                            }
+                        }
+                        if( o.event.specialAll[O] )
+                        {
+                            o.event.specialAll[O].teardown.call( K, Q )
+                        }
+                        for( F in G[O] )
+                        {
+                            break
+                        }
+                        if( !F )
+                        {
+                            if( !o.event.special[O] || o.event.special[O].teardown.call( K, Q ) === false )
+                            {
+                                if( K.removeEventListener )
+                                {
+                                    K.removeEventListener( O, o.data( K, "handle" ), false )
+                                }
+                                else
+                                {
+                                    if( K.detachEvent )
+                                    {
+                                        K.detachEvent( "on" + O, o.data( K, "handle" ) )
+                                    }
+                                }
+                            }
+                            F = null;
+                            delete G[O]
+                        }
+                    }
+                } )
+            }
+            for( F in G )
+            {
+                break
+            }
+            if( !F )
+            {
+                var L = o.data( K, "handle" );
+                if( L )
+                {
+                    L.elem = null
+                }
+                o.removeData( K, "events" );
+                o.removeData( K, "handle" )
+            }
+        }
+    },trigger:function( I, K, H, E )
+    {
+        var G = I.type || I;
+        if( !E )
+        {
+            I = typeof I === "object" ? I[h] ? I : o.extend( o.Event( G ), I ) : o.Event( G );
+            if( G.indexOf( "!" ) >= 0 )
+            {
+                I.type = G = G.slice( 0, -1 );
+                I.exclusive = true
+            }
+            if( !H )
+            {
+                I.stopPropagation();
+                if( this.global[G] )
+                {
+                    o.each( o.cache, function()
+                    {
+                        if( this.events && this.events[G] )
+                        {
+                            o.event.trigger( I, K, this.handle.elem )
+                        }
+                    } )
+                }
+            }
+            if( !H || H.nodeType == 3 || H.nodeType == 8 )
+            {
+                return g
+            }
+            I.result = g;
+            I.target = H;
+            K = o.makeArray( K );
+            K.unshift( I )
+        }
+        I.currentTarget = H;
+        var J = o.data( H, "handle" );
+        if( J )
+        {
+            J.apply( H, K )
+        }
+        if( (!H[G] || (o.nodeName( H, "a" ) && G == "click")) && H["on" + G] && H["on" + G].apply( H, K ) === false )
+        {
+            I.result = false
+        }
+        if( !E && H[G] && !I.isDefaultPrevented() && !(o.nodeName( H, "a" ) && G == "click") )
+        {
+            this.triggered = true;
+            try
+            {
+                H[G]()
+            }
+            catch( L )
+            {
+            }
+        }
+        this.triggered = false;
+        if( !I.isPropagationStopped() )
+        {
+            var F = H.parentNode || H.ownerDocument;
+            if( F )
+            {
+                o.event.trigger( I, K, F, true )
+            }
+        }
+    },handle:function( K )
+    {
+        var J,E;
+        K = arguments[0] = o.event.fix( K || l.event );
+        K.currentTarget = this;
+        var L = K.type.split( "." );
+        K.type = L.shift();
+        J = !L.length && !K.exclusive;
+        var I = RegExp( "(^|\\.)" + L.slice().sort().join( ".*\\." ) + "(\\.|$)" );
+        E = (o.data( this, "events" ) || {})[K.type];
+        for( var G in E )
+        {
+            var H = E[G];
+            if( J || I.test( H.type ) )
+            {
+                K.handler = H;
+                K.data = H.data;
+                var F = H.apply( this, arguments );
+                if( F !== g )
+                {
+                    K.result = F;
+                    if( F === false )
+                    {
+                        K.preventDefault();
+                        K.stopPropagation()
+                    }
+                }
+                if( K.isImmediatePropagationStopped() )
+                {
+                    break
+                }
+            }
+        }
+    },props:"altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split( " " ),fix:function( H )
+    {
+        if( H[h] )
+        {
+            return H
+        }
+        var F = H;
+        H = o.Event( F );
+        for( var G = this.props.length,J; G; )
+        {
+            J = this.props[--G];
+            H[J] = F[J]
+        }
+        if( !H.target )
+        {
+            H.target = H.srcElement || document
+        }
+        if( H.target.nodeType == 3 )
+        {
+            H.target = H.target.parentNode
+        }
+        if( !H.relatedTarget && H.fromElement )
+        {
+            H.relatedTarget = H.fromElement == H.target ? H.toElement : H.fromElement
+        }
+        if( H.pageX == null && H.clientX != null )
+        {
+            var I = document.documentElement,E = document.body;
+            H.pageX = H.clientX + (I && I.scrollLeft || E && E.scrollLeft || 0) - (I.clientLeft || 0);
+            H.pageY = H.clientY + (I && I.scrollTop || E && E.scrollTop || 0) - (I.clientTop || 0)
+        }
+        if( !H.which && ((H.charCode || H.charCode === 0) ? H.charCode : H.keyCode) )
+        {
+            H.which = H.charCode || H.keyCode
+        }
+        if( !H.metaKey && H.ctrlKey )
+        {
+            H.metaKey = H.ctrlKey
+        }
+        if( !H.which && H.button )
+        {
+            H.which = (H.button & 1 ? 1 : (H.button & 2 ? 3 : (H.button & 4 ? 2 : 0)))
+        }
+        return H
+    },proxy:function( F, E )
+    {
+        E = E || function()
+        {
+            return F.apply( this, arguments )
+        };
+        E.guid = F.guid = F.guid || E.guid || this.guid++;
+        return E
+    },special:{ready:{setup:B,teardown:function()
+    {
+    }}},specialAll:{live:{setup:function( E, F )
+    {
+        o.event.add( this, F[0], c )
+    },teardown:function( G )
+    {
+        if( G.length )
+        {
+            var E = 0,F = RegExp( "(^|\\.)" + G[0] + "(\\.|$)" );
+            o.each( (o.data( this, "events" ).live || {}), function()
+            {
+                if( F.test( this.type ) )
+                {
+                    E++
+                }
+            } );
+            if( E < 1 )
+            {
+                o.event.remove( this, G[0], c )
+            }
+        }
+    }}}};
+    o.Event = function( E )
+    {
+        if( !this.preventDefault )
+        {
+            return new o.Event( E )
+        }
+        if( E && E.type )
+        {
+            this.originalEvent = E;
+            this.type = E.type
+        }
+        else
+        {
+            this.type = E
+        }
+        this.timeStamp = e();
+        this[h] = true
+    };
+    function k()
+    {
+        return false
+    }
+
+    function u()
+    {
+        return true
+    }
+
+    o.Event.prototype = {preventDefault:function()
+    {
+        this.isDefaultPrevented = u;
+        var E = this.originalEvent;
+        if( !E )
+        {
+            return
+        }
+        if( E.preventDefault )
+        {
+            E.preventDefault()
+        }
+        E.returnValue = false
+    },stopPropagation:function()
+    {
+        this.isPropagationStopped = u;
+        var E = this.originalEvent;
+        if( !E )
+        {
+            return
+        }
+        if( E.stopPropagation )
+        {
+            E.stopPropagation()
+        }
+        E.cancelBubble = true
+    },stopImmediatePropagation:function()
+    {
+        this.isImmediatePropagationStopped = u;
+        this.stopPropagation()
+    },isDefaultPrevented:k,isPropagationStopped:k,isImmediatePropagationStopped:k};
+    var a = function( F )
+    {
+        var E = F.relatedTarget;
+        while( E && E != this )
+        {
+            try
+            {
+                E = E.parentNode
+            }
+            catch( G )
+            {
+                E = this
+            }
+        }
+        if( E != this )
+        {
+            F.type = F.data;
+            o.event.handle.apply( this, arguments )
+        }
+    };
+    o.each( {mouseover:"mouseenter",mouseout:"mouseleave"}, function( F, E )
+    {
+        o.event.special[E] = {setup:function()
+        {
+            o.event.add( this, F, a, E )
+        },teardown:function()
+        {
+            o.event.remove( this, F, a )
+        }}
+    } );
+    o.fn.extend( {bind:function( F, G, E )
+    {
+        return F == "unload" ? this.one( F, G, E ) : this.each( function()
+        {
+            o.event.add( this, F, E || G, E && G )
+        } )
+    },one:function( G, H, F )
+    {
+        var E = o.event.proxy( F || H, function( I )
+        {
+            o( this ).unbind( I, E );
+            return(F || H).apply( this, arguments )
+        } );
+        return this.each( function()
+        {
+            o.event.add( this, G, E, F && H )
+        } )
+    },unbind:function( F, E )
+    {
+        return this.each( function()
+        {
+            o.event.remove( this, F, E )
+        } )
+    },trigger:function( E, F )
+    {
+        return this.each( function()
+        {
+            o.event.trigger( E, F, this )
+        } )
+    },triggerHandler:function( E, G )
+    {
+        if( this[0] )
+        {
+            var F = o.Event( E );
+            F.preventDefault();
+            F.stopPropagation();
+            o.event.trigger( F, G, this[0] );
+            return F.result
+        }
+    },toggle:function( G )
+    {
+        var E = arguments,F = 1;
+        while( F < E.length )
+        {
+            o.event.proxy( G, E[F++] )
+        }
+        return this.click( o.event.proxy( G, function( H )
+        {
+            this.lastToggle = (this.lastToggle || 0) % F;
+            H.preventDefault();
+            return E[this.lastToggle++].apply( this, arguments ) || false
+        } ) )
+    },hover:function( E, F )
+    {
+        return this.mouseenter( E ).mouseleave( F )
+    },ready:function( E )
+    {
+        B();
+        if( o.isReady )
+        {
+            E.call( document, o )
+        }
+        else
+        {
+            o.readyList.push( E )
+        }
+        return this
+    },live:function( G, F )
+    {
+        var E = o.event.proxy( F );
+        E.guid += this.selector + G;
+        o( document ).bind( i( G, this.selector ), this.selector, E );
+        return this
+    },die:function( F, E )
+    {
+        o( document ).unbind( i( F, this.selector ), E ? {guid:E.guid + this.selector + F} : null );
+        return this
+    }} );
+    function c( H )
+    {
+        var E = RegExp( "(^|\\.)" + H.type + "(\\.|$)" ),G = true,F = [];
+        o.each( o.data( this, "events" ).live || [], function( I, J )
+        {
+            if( E.test( J.type ) )
+            {
+                var K = o( H.target ).closest( J.data )[0];
+                if( K )
+                {
+                    F.push( {elem:K,fn:J} )
+                }
+            }
+        } );
+        F.sort( function( J, I )
+        {
+            return o.data( J.elem, "closest" ) - o.data( I.elem, "closest" )
+        } );
+        o.each( F, function()
+        {
+            if( this.fn.call( this.elem, H, this.fn.data ) === false )
+            {
+                return(G = false)
+            }
+        } );
+        return G
+    }
+
+    function i( F, E )
+    {
+        return["live",F,E.replace( /\./g, "`" ).replace( / /g, "|" )].join( "." )
+    }
+
+    o.extend( {isReady:false,readyList:[],ready:function()
+    {
+        if( !o.isReady )
+        {
+            o.isReady = true;
+            if( o.readyList )
+            {
+                o.each( o.readyList, function()
+                {
+                    this.call( document, o )
+                } );
+                o.readyList = null
+            }
+            o( document ).triggerHandler( "ready" )
+        }
+    }} );
+    var x = false;
+
+    function B()
+    {
+        if( x )
+        {
+            return
+        }
+        x = true;
+        if( document.addEventListener )
+        {
+            document.addEventListener( "DOMContentLoaded", function()
+            {
+                document.removeEventListener( "DOMContentLoaded", arguments.callee, false );
+                o.ready()
+            }, false )
+        }
+        else
+        {
+            if( document.attachEvent )
+            {
+                document.attachEvent( "onreadystatechange", function()
+                {
+                    if( document.readyState === "complete" )
+                    {
+                        document.detachEvent( "onreadystatechange", arguments.callee );
+                        o.ready()
+                    }
+                } );
+                if( document.documentElement.doScroll && l == l.top )
+                {
+                    (function()
+                    {
+                        if( o.isReady )
+                        {
+                            return
+                        }
+                        try
+                        {
+                            document.documentElement.doScroll( "left" )
+                        }
+                        catch( E )
+                        {
+                            setTimeout( arguments.callee, 0 );
+                            return
+                        }
+                        o.ready()
+                    })()
+                }
+            }
+        }
+        o.event.add( l, "load", o.ready )
+    }
+
+    o.each( ("blur,focus,load,resize,scroll,unload,click,dblclick,mousedown,mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave,change,select,submit,keydown,keypress,keyup,error").split( "," ), function( F, E )
+    {
+        o.fn[E] = function( G )
+        {
+            return G ? this.bind( E, G ) : this.trigger( E )
+        }
+    } );
+    o( l ).bind( "unload", function()
+    {
+        for( var E in o.cache )
+        {
+            if( E != 1 && o.cache[E].handle )
+            {
+                o.event.remove( o.cache[E].handle.elem )
+            }
+        }
+    } );
+    (function()
+    {
+        o.support = {};
+        var F = document.documentElement,G = document.createElement( "script" ),K = document.createElement( "div" ),J = "script" + (new Date).getTime();
+        K.style.display = "none";
+        K.innerHTML = '   <link/><table></table><a href="/a" style="color:red;float:left;opacity:.5;">a</a><select><option>text</option></select><object><param/></object>';
+        var H = K.getElementsByTagName( "*" ),E = K.getElementsByTagName( "a" )[0];
+        if( !H || !H.length || !E )
+        {
+            return
+        }
+        o.support = {leadingWhitespace:K.firstChild.nodeType == 3,tbody:!K.getElementsByTagName( "tbody" ).length,objectAll:!!K.getElementsByTagName( "object" )[0].getElementsByTagName( "*" ).length,htmlSerialize:!!K.getElementsByTagName( "link" ).length,style:/red/.test( E.getAttribute( "style" ) ),hrefNormalized:E.getAttribute( "href" ) === "/a",opacity:E.style.opacity === "0.5",cssFloat:!!E.style.cssFloat,scriptEval:false,noCloneEvent:true,boxModel:null};
+        G.type = "text/javascript";
+        try
+        {
+            G.appendChild( document.createTextNode( "window." + J + "=1;" ) )
+        }
+        catch( I )
+        {
+        }
+        F.insertBefore( G, F.firstChild );
+        if( l[J] )
+        {
+            o.support.scriptEval = true;
+            delete l[J]
+        }
+        F.removeChild( G );
+        if( K.attachEvent && K.fireEvent )
+        {
+            K.attachEvent( "onclick", function()
+            {
+                o.support.noCloneEvent = false;
+                K.detachEvent( "onclick", arguments.callee )
+            } );
+            K.cloneNode( true ).fireEvent( "onclick" )
+        }
+        o( function()
+        {
+            var L = document.createElement( "div" );
+            L.style.width = L.style.paddingLeft = "1px";
+            document.body.appendChild( L );
+            o.boxModel = o.support.boxModel = L.offsetWidth === 2;
+            document.body.removeChild( L ).style.display = "none"
+        } )
+    })();
+    var w = o.support.cssFloat ? "cssFloat" : "styleFloat";
+    o.props = {"for":"htmlFor","class":"className","float":w,cssFloat:w,styleFloat:w,readonly:"readOnly",maxlength:"maxLength",cellspacing:"cellSpacing",rowspan:"rowSpan",tabindex:"tabIndex"};
+    o.fn.extend( {_load:o.fn.load,load:function( G, J, K )
+    {
+        if( typeof G !== "string" )
+        {
+            return this._load( G )
+        }
+        var I = G.indexOf( " " );
+        if( I >= 0 )
+        {
+            var E = G.slice( I, G.length );
+            G = G.slice( 0, I )
+        }
+        var H = "GET";
+        if( J )
+        {
+            if( o.isFunction( J ) )
+            {
+                K = J;
+                J = null
+            }
+            else
+            {
+                if( typeof J === "object" )
+                {
+                    J = o.param( J );
+                    H = "POST"
+                }
+            }
+        }
+        var F = this;
+        o.ajax( {url:G,type:H,dataType:"html",data:J,complete:function( M, L )
+        {
+            if( L == "success" || L == "notmodified" )
+            {
+                F.html( E ? o( "<div/>" ).append( M.responseText.replace( /<script(.|\s)*?\/script>/g, "" ) ).find( E ) : M.responseText )
+            }
+            if( K )
+            {
+                F.each( K, [M.responseText,L,M] )
+            }
+        }} );
+        return this
+    },serialize:function()
+    {
+        return o.param( this.serializeArray() )
+    },serializeArray:function()
+    {
+        return this.map(
+                function()
+                {
+                    return this.elements ? o.makeArray( this.elements ) : this
+                } ).filter(
+                function()
+                {
+                    return this.name && !this.disabled && (this.checked || /select|textarea/i.test( this.nodeName ) || /text|hidden|password|search/i.test( this.type ))
+                } ).map(
+                function( E, F )
+                {
+                    var G = o( this ).val();
+                    return G == null ? null : o.isArray( G ) ? o.map( G, function( I, H )
+                    {
+                        return{name:F.name,value:I}
+                    } ) : {name:F.name,value:G}
+                } ).get()
+    }} );
+    o.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split( "," ), function( E, F )
+    {
+        o.fn[F] = function( G )
+        {
+            return this.bind( F, G )
+        }
+    } );
+    var r = e();
+    o.extend( {get:function( E, G, H, F )
+    {
+        if( o.isFunction( G ) )
+        {
+            H = G;
+            G = null
+        }
+        return o.ajax( {type:"GET",url:E,data:G,success:H,dataType:F} )
+    },getScript:function( E, F )
+    {
+        return o.get( E, null, F, "script" )
+    },getJSON:function( E, F, G )
+    {
+        return o.get( E, F, G, "json" )
+    },post:function( E, G, H, F )
+    {
+        if( o.isFunction( G ) )
+        {
+            H = G;
+            G = {}
+        }
+        return o.ajax( {type:"POST",url:E,data:G,success:H,dataType:F} )
+    },ajaxSetup:function( E )
+    {
+        o.extend( o.ajaxSettings, E )
+    },ajaxSettings:{url:location.href,global:true,type:"GET",contentType:"application/x-www-form-urlencoded",processData:true,async:true,xhr:function()
+    {
+        return l.ActiveXObject ? new ActiveXObject( "Microsoft.XMLHTTP" ) : new XMLHttpRequest()
+    },accepts:{xml:"application/xml, text/xml",html:"text/html",script:"text/javascript, application/javascript",json:"application/json, text/javascript",text:"text/plain",_default:"*/*"}},lastModified:{},ajax:function( M )
+    {
+        M = o.extend( true, M, o.extend( true, {}, o.ajaxSettings, M ) );
+        var W,F = /=\?(&|$)/g,R,V,G = M.type.toUpperCase();
+        if( M.data && M.processData && typeof M.data !== "string" )
+        {
+            M.data = o.param( M.data )
+        }
+        if( M.dataType == "jsonp" )
+        {
+            if( G == "GET" )
+            {
+                if( !M.url.match( F ) )
+                {
+                    M.url += (M.url.match( /\?/ ) ? "&" : "?") + (M.jsonp || "callback") + "=?"
+                }
+            }
+            else
+            {
+                if( !M.data || !M.data.match( F ) )
+                {
+                    M.data = (M.data ? M.data + "&" : "") + (M.jsonp || "callback") + "=?"
+                }
+            }
+            M.dataType = "json"
+        }
+        if( M.dataType == "json" && (M.data && M.data.match( F ) || M.url.match( F )) )
+        {
+            W = "jsonp" + r++;
+            if( M.data )
+            {
+                M.data = (M.data + "").replace( F, "=" + W + "$1" )
+            }
+            M.url = M.url.replace( F, "=" + W + "$1" );
+            M.dataType = "script";
+            l[W] = function( X )
+            {
+                V = X;
+                I();
+                L();
+                l[W] = g;
+                try
+                {
+                    delete l[W]
+                }
+                catch( Y )
+                {
+                }
+                if( H )
+                {
+                    H.removeChild( T )
+                }
+            }
+        }
+        if( M.dataType == "script" && M.cache == null )
+        {
+            M.cache = false
+        }
+        if( M.cache === false && G == "GET" )
+        {
+            var E = e();
+            var U = M.url.replace( /(\?|&)_=.*?(&|$)/, "$1_=" + E + "$2" );
+            M.url = U + ((U == M.url) ? (M.url.match( /\?/ ) ? "&" : "?") + "_=" + E : "")
+        }
+        if( M.data && G == "GET" )
+        {
+            M.url += (M.url.match( /\?/ ) ? "&" : "?") + M.data;
+            M.data = null
+        }
+        if( M.global && !o.active++ )
+        {
+            o.event.trigger( "ajaxStart" )
+        }
+        var Q = /^(\w+:)?\/\/([^\/?#]+)/.exec( M.url );
+        if( M.dataType == "script" && G == "GET" && Q && (Q[1] && Q[1] != location.protocol || Q[2] != location.host) )
+        {
+            var H = document.getElementsByTagName( "head" )[0];
+            var T = document.createElement( "script" );
+            T.src = M.url;
+            if( M.scriptCharset )
+            {
+                T.charset = M.scriptCharset
+            }
+            if( !W )
+            {
+                var O = false;
+                T.onload = T.onreadystatechange = function()
+                {
+                    if( !O && (!this.readyState || this.readyState == "loaded" || this.readyState == "complete") )
+                    {
+                        O = true;
+                        I();
+                        L();
+                        T.onload = T.onreadystatechange = null;
+                        H.removeChild( T )
+                    }
+                }
+            }
+            H.appendChild( T );
+            return g
+        }
+        var K = false;
+        var J = M.xhr();
+        if( M.username )
+        {
+            J.open( G, M.url, M.async, M.username, M.password )
+        }
+        else
+        {
+            J.open( G, M.url, M.async )
+        }
+        try
+        {
+            if( M.data )
+            {
+                J.setRequestHeader( "Content-Type", M.contentType )
+            }
+            if( M.ifModified )
+            {
+                J.setRequestHeader( "If-Modified-Since", o.lastModified[M.url] || "Thu, 01 Jan 1970 00:00:00 GMT" )
+            }
+            J.setRequestHeader( "X-Requested-With", "XMLHttpRequest" );
+            J.setRequestHeader( "Accept", M.dataType && M.accepts[M.dataType] ? M.accepts[M.dataType] + ", */*" : M.accepts._default )
+        }
+        catch( S )
+        {
+        }
+        if( M.beforeSend && M.beforeSend( J, M ) === false )
+        {
+            if( M.global && !--o.active )
+            {
+                o.event.trigger( "ajaxStop" )
+            }
+            J.abort();
+            return false
+        }
+        if( M.global )
+        {
+            o.event.trigger( "ajaxSend", [J,M] )
+        }
+        var N = function( X )
+        {
+            if( J.readyState == 0 )
+            {
+                if( P )
+                {
+                    clearInterval( P );
+                    P = null;
+                    if( M.global && !--o.active )
+                    {
+                        o.event.trigger( "ajaxStop" )
+                    }
+                }
+            }
+            else
+            {
+                if( !K && J && (J.readyState == 4 || X == "timeout") )
+                {
+                    K = true;
+                    if( P )
+                    {
+                        clearInterval( P );
+                        P = null
+                    }
+                    R = X == "timeout" ? "timeout" : !o.httpSuccess( J ) ? "error" : M.ifModified && o.httpNotModified( J, M.url ) ? "notmodified" : "success";
+                    if( R == "success" )
+                    {
+                        try
+                        {
+                            V = o.httpData( J, M.dataType, M )
+                        }
+                        catch( Z )
+                        {
+                            R = "parsererror"
+                        }
+                    }
+                    if( R == "success" )
+                    {
+                        var Y;
+                        try
+                        {
+                            Y = J.getResponseHeader( "Last-Modified" )
+                        }
+                        catch( Z )
+                        {
+                        }
+                        if( M.ifModified && Y )
+                        {
+                            o.lastModified[M.url] = Y
+                        }
+                        if( !W )
+                        {
+                            I()
+                        }
+                    }
+                    else
+                    {
+                        o.handleError( M, J, R )
+                    }
+                    L();
+                    if( X )
+                    {
+                        J.abort()
+                    }
+                    if( M.async )
+                    {
+                        J = null
+                    }
+                }
+            }
+        };
+        if( M.async )
+        {
+            var P = setInterval( N, 13 );
+            if( M.timeout > 0 )
+            {
+                setTimeout( function()
+                {
+                    if( J && !K )
+                    {
+                        N( "timeout" )
+                    }
+                }, M.timeout )
+            }
+        }
+        try
+        {
+            J.send( M.data )
+        }
+        catch( S )
+        {
+            o.handleError( M, J, null, S )
+        }
+        if( !M.async )
+        {
+            N()
+        }
+        function I()
+        {
+            if( M.success )
+            {
+                M.success( V, R )
+            }
+            if( M.global )
+            {
+                o.event.trigger( "ajaxSuccess", [J,M] )
+            }
+        }
+
+        function L()
+        {
+            if( M.complete )
+            {
+                M.complete( J, R )
+            }
+            if( M.global )
+            {
+                o.event.trigger( "ajaxComplete", [J,M] )
+            }
+            if( M.global && !--o.active )
+            {
+                o.event.trigger( "ajaxStop" )
+            }
+        }
+
+        return J
+    },handleError:function( F, H, E, G )
+    {
+        if( F.error )
+        {
+            F.error( H, E, G )
+        }
+        if( F.global )
+        {
+            o.event.trigger( "ajaxError", [H,F,G] )
+        }
+    },active:0,httpSuccess:function( F )
+    {
+        try
+        {
+            return !F.status && location.protocol == "file:" || (F.status >= 200 && F.status < 300) || F.status == 304 || F.status == 1223
+        }
+        catch( E )
+        {
+        }
+        return false
+    },httpNotModified:function( G, E )
+    {
+        try
+        {
+            var H = G.getResponseHeader( "Last-Modified" );
+            return G.status == 304 || H == o.lastModified[E]
+        }
+        catch( F )
+        {
+        }
+        return false
+    },httpData:function( J, H, G )
+    {
+        var F = J.getResponseHeader( "content-type" ),E = H == "xml" || !H && F && F.indexOf( "xml" ) >= 0,I = E ? J.responseXML : J.responseText;
+        if( E && I.documentElement.tagName == "parsererror" )
+        {
+            throw"parsererror"
+        }
+        if( G && G.dataFilter )
+        {
+            I = G.dataFilter( I, H )
+        }
+        if( typeof I === "string" )
+        {
+            if( H == "script" )
+            {
+                o.globalEval( I )
+            }
+            if( H == "json" )
+            {
+                I = l["eval"]( "(" + I + ")" )
+            }
+        }
+        return I
+    },param:function( E )
+    {
+        var G = [];
+
+        function H( I, J )
+        {
+            G[G.length] = encodeURIComponent( I ) + "=" + encodeURIComponent( J )
+        }
+
+        if( o.isArray( E ) || E.jquery )
+        {
+            o.each( E, function()
+            {
+                H( this.name, this.value )
+            } )
+        }
+        else
+        {
+            for( var F in E )
+            {
+                if( o.isArray( E[F] ) )
+                {
+                    o.each( E[F], function()
+                    {
+                        H( F, this )
+                    } )
+                }
+                else
+                {
+                    H( F, o.isFunction( E[F] ) ? E[F]() : E[F] )
+                }
+            }
+        }
+        return G.join( "&" ).replace( /%20/g, "+" )
+    }} );
+    var m = {},n,d = [
+        ["height","marginTop","marginBottom","paddingTop","paddingBottom"],
+        ["width","marginLeft","marginRight","paddingLeft","paddingRight"],
+        ["opacity"]
+    ];
+
+    function t( F, E )
+    {
+        var G = {};
+        o.each( d.concat.apply( [], d.slice( 0, E ) ), function()
+        {
+            G[this] = F
+        } );
+        return G
+    }
+
+    o.fn.extend( {show:function( J, L )
+    {
+        if( J )
+        {
+            return this.animate( t( "show", 3 ), J, L )
+        }
+        else
+        {
+            for( var H = 0,F = this.length; H < F; H++ )
+            {
+                var E = o.data( this[H], "olddisplay" );
+                this[H].style.display = E || "";
+                if( o.css( this[H], "display" ) === "none" )
+                {
+                    var G = this[H].tagName,K;
+                    if( m[G] )
+                    {
+                        K = m[G]
+                    }
+                    else
+                    {
+                        var I = o( "<" + G + " />" ).appendTo( "body" );
+                        K = I.css( "display" );
+                        if( K === "none" )
+                        {
+                            K = "block"
+                        }
+                        I.remove();
+                        m[G] = K
+                    }
+                    o.data( this[H], "olddisplay", K )
+                }
+            }
+            for( var H = 0,F = this.length; H < F; H++ )
+            {
+                this[H].style.display = o.data( this[H], "olddisplay" ) || ""
+            }
+            return this
+        }
+    },hide:function( H, I )
+    {
+        if( H )
+        {
+            return this.animate( t( "hide", 3 ), H, I )
+        }
+        else
+        {
+            for( var G = 0,F = this.length; G < F; G++ )
+            {
+                var E = o.data( this[G], "olddisplay" );
+                if( !E && E !== "none" )
+                {
+                    o.data( this[G], "olddisplay", o.css( this[G], "display" ) )
+                }
+            }
+            for( var G = 0,F = this.length; G < F; G++ )
+            {
+                this[G].style.display = "none"
+            }
+            return this
+        }
+    },_toggle:o.fn.toggle,toggle:function( G, F )
+    {
+        var E = typeof G === "boolean";
+        return o.isFunction( G ) && o.isFunction( F ) ? this._toggle.apply( this, arguments ) : G == null || E ? this.each( function()
+        {
+            var H = E ? G : o( this ).is( ":hidden" );
+            o( this )[H ? "show" : "hide"]()
+        } ) : this.animate( t( "toggle", 3 ), G, F )
+    },fadeTo:function( E, G, F )
+    {
+        return this.animate( {opacity:G}, E, F )
+    },animate:function( I, F, H, G )
+    {
+        var E = o.speed( F, H, G );
+        return this[E.queue === false ? "each" : "queue"]( function()
+        {
+            var K = o.extend( {}, E ),M,L = this.nodeType == 1 && o( this ).is( ":hidden" ),J = this;
+            for( M in I )
+            {
+                if( I[M] == "hide" && L || I[M] == "show" && !L )
+                {
+                    return K.complete.call( this )
+                }
+                if( (M == "height" || M == "width") && this.style )
+                {
+                    K.display = o.css( this, "display" );
+                    K.overflow = this.style.overflow
+                }
+            }
+            if( K.overflow != null )
+            {
+                this.style.overflow = "hidden"
+            }
+            K.curAnim = o.extend( {}, I );
+            o.each( I, function( O, S )
+            {
+                var R = new o.fx( J, K, O );
+                if( /toggle|show|hide/.test( S ) )
+                {
+                    R[S == "toggle" ? L ? "show" : "hide" : S]( I )
+                }
+                else
+                {
+                    var Q = S.toString().match( /^([+-]=)?([\d+-.]+)(.*)$/ ),T = R.cur( true ) || 0;
+                    if( Q )
+                    {
+                        var N = parseFloat( Q[2] ),P = Q[3] || "px";
+                        if( P != "px" )
+                        {
+                            J.style[O] = (N || 1) + P;
+                            T = ((N || 1) / R.cur( true )) * T;
+                            J.style[O] = T + P
+                        }
+                        if( Q[1] )
+                        {
+                            N = ((Q[1] == "-=" ? -1 : 1) * N) + T
+                        }
+                        R.custom( T, N, P )
+                    }
+                    else
+                    {
+                        R.custom( T, S, "" )
+                    }
+                }
+            } );
+            return true
+        } )
+    },stop:function( F, E )
+    {
+        var G = o.timers;
+        if( F )
+        {
+            this.queue( [] )
+        }
+        this.each( function()
+        {
+            for( var H = G.length - 1; H >= 0; H-- )
+            {
+                if( G[H].elem == this )
+                {
+                    if( E )
+                    {
+                        G[H]( true )
+                    }
+                    G.splice( H, 1 )
+                }
+            }
+        } );
+        if( !E )
+        {
+            this.dequeue()
+        }
+        return this
+    }} );
+    o.each( {slideDown:t( "show", 1 ),slideUp:t( "hide", 1 ),slideToggle:t( "toggle", 1 ),fadeIn:{opacity:"show"},fadeOut:{opacity:"hide"}}, function( E, F )
+    {
+        o.fn[E] = function( G, H )
+        {
+            return this.animate( F, G, H )
+        }
+    } );
+    o.extend( {speed:function( G, H, F )
+    {
+        var E = typeof G === "object" ? G : {complete:F || !F && H || o.isFunction( G ) && G,duration:G,easing:F && H || H && !o.isFunction( H ) && H};
+        E.duration = o.fx.off ? 0 : typeof E.duration === "number" ? E.duration : o.fx.speeds[E.duration] || o.fx.speeds._default;
+        E.old = E.complete;
+        E.complete = function()
+        {
+            if( E.queue !== false )
+            {
+                o( this ).dequeue()
+            }
+            if( o.isFunction( E.old ) )
+            {
+                E.old.call( this )
+            }
+        };
+        return E
+    },easing:{linear:function( G, H, E, F )
+    {
+        return E + F * G
+    },swing:function( G, H, E, F )
+    {
+        return((-Math.cos( G * Math.PI ) / 2) + 0.5) * F + E
+    }},timers:[],fx:function( F, E, G )
+    {
+        this.options = E;
+        this.elem = F;
+        this.prop = G;
+        if( !E.orig )
+        {
+            E.orig = {}
+        }
+    }} );
+    o.fx.prototype = {update:function()
+    {
+        if( this.options.step )
+        {
+            this.options.step.call( this.elem, this.now, this )
+        }
+        (o.fx.step[this.prop] || o.fx.step._default)( this );
+        if( (this.prop == "height" || this.prop == "width") && this.elem.style )
+        {
+            this.elem.style.display = "block"
+        }
+    },cur:function( F )
+    {
+        if( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) )
+        {
+            return this.elem[this.prop]
+        }
+        var E = parseFloat( o.css( this.elem, this.prop, F ) );
+        return E && E > -10000 ? E : parseFloat( o.curCSS( this.elem, this.prop ) ) || 0
+    },custom:function( I, H, G )
+    {
+        this.startTime = e();
+        this.start = I;
+        this.end = H;
+        this.unit = G || this.unit || "px";
+        this.now = this.start;
+        this.pos = this.state = 0;
+        var E = this;
+
+        function F( J )
+        {
+            return E.step( J )
+        }
+
+        F.elem = this.elem;
+        if( F() && o.timers.push( F ) && !n )
+        {
+            n = setInterval( function()
+            {
+                var K = o.timers;
+                for( var J = 0; J < K.length; J++ )
+                {
+                    if( !K[J]() )
+                    {
+                        K.splice( J--, 1 )
+                    }
+                }
+                if( !K.length )
+                {
+                    clearInterval( n );
+                    n = g
+                }
+            }, 13 )
+        }
+    },show:function()
+    {
+        this.options.orig[this.prop] = o.attr( this.elem.style, this.prop );
+        this.options.show = true;
+        this.custom( this.prop == "width" || this.prop == "height" ? 1 : 0, this.cur() );
+        o( this.elem ).show()
+    },hide:function()
+    {
+        this.options.orig[this.prop] = o.attr( this.elem.style, this.prop );
+        this.options.hide = true;
+        this.custom( this.cur(), 0 )
+    },step:function( H )
+    {
+        var G = e();
+        if( H || G >= this.options.duration + this.startTime )
+        {
+            this.now = this.end;
+            this.pos = this.state = 1;
+            this.update();
+            this.options.curAnim[this.prop] = true;
+            var E = true;
+            for( var F in this.options.curAnim )
+            {
+                if( this.options.curAnim[F] !== true )
+                {
+                    E = false
+                }
+            }
+            if( E )
+            {
+                if( this.options.display != null )
+                {
+                    this.elem.style.overflow = this.options.overflow;
+                    this.elem.style.display = this.options.display;
+                    if( o.css( this.elem, "display" ) == "none" )
+                    {
+                        this.elem.style.display = "block"
+                    }
+                }
+                if( this.options.hide )
+                {
+                    o( this.elem ).hide()
+                }
+                if( this.options.hide || this.options.show )
+                {
+                    for( var I in this.options.curAnim )
+                    {
+                        o.attr( this.elem.style, I, this.options.orig[I] )
+                    }
+                }
+                this.options.complete.call( this.elem )
+            }
+            return false
+        }
+        else
+        {
+            var J = G - this.startTime;
+            this.state = J / this.options.duration;
+            this.pos = o.easing[this.options.easing || (o.easing.swing ? "swing" : "linear")]( this.state, J, 0, 1, this.options.duration );
+            this.now = this.start + ((this.end - this.start) * this.pos);
+            this.update()
+        }
+        return true
+    }};
+    o.extend( o.fx, {speeds:{slow:600,fast:200,_default:400},step:{opacity:function( E )
+    {
+        o.attr( E.elem.style, "opacity", E.now )
+    },_default:function( E )
+    {
+        if( E.elem.style && E.elem.style[E.prop] != null )
+        {
+            E.elem.style[E.prop] = E.now + E.unit
+        }
+        else
+        {
+            E.elem[E.prop] = E.now
+        }
+    }}} );
+    if( document.documentElement.getBoundingClientRect )
+    {
+        o.fn.offset = function()
+        {
+            if( !this[0] )
+            {
+                return{top:0,left:0}
+            }
+            if( this[0] === this[0].ownerDocument.body )
+            {
+                return o.offset.bodyOffset( this[0] )
+            }
+            var G = this[0].getBoundingClientRect(),J = this[0].ownerDocument,F = J.body,E = J.documentElement,L = E.clientTop || F.clientTop || 0,K = E.clientLeft || F.clientLeft || 0,I = G.top + (self.pageYOffset || o.boxModel && E.scrollTop || F.scrollTop) - L,H = G.left + (self.pageXOffset || o.boxModel && E.scrollLeft || F.scrollLeft) - K;
+            return{top:I,left:H}
+        }
+    }
+    else
+    {
+        o.fn.offset = function()
+        {
+            if( !this[0] )
+            {
+                return{top:0,left:0}
+            }
+            if( this[0] === this[0].ownerDocument.body )
+            {
+                return o.offset.bodyOffset( this[0] )
+            }
+            o.offset.initialized || o.offset.initialize();
+            var J = this[0],G = J.offsetParent,F = J,O = J.ownerDocument,M,H = O.documentElement,K = O.body,L = O.defaultView,E = L.getComputedStyle( J, null ),N = J.offsetTop,I = J.offsetLeft;
+            while( (J = J.parentNode) && J !== K && J !== H )
+            {
+                M = L.getComputedStyle( J, null );
+                N -= J.scrollTop,I -= J.scrollLeft;
+                if( J === G )
+                {
+                    N += J.offsetTop,I += J.offsetLeft;
+                    if( o.offset.doesNotAddBorder && !(o.offset.doesAddBorderForTableAndCells && /^t(able|d|h)$/i.test( J.tagName )) )
+                    {
+                        N += parseInt( M.borderTopWidth, 10 ) || 0,I += parseInt( M.borderLeftWidth, 10 ) || 0
+                    }
+                    F = G,G = J.offsetParent
+                }
+                if( o.offset.subtractsBorderForOverflowNotVisible && M.overflow !== "visible" )
+                {
+                    N += parseInt( M.borderTopWidth, 10 ) || 0,I += parseInt( M.borderLeftWidth, 10 ) || 0
+                }
+                E = M
+            }
+            if( E.position === "relative" || E.position === "static" )
+            {
+                N += K.offsetTop,I += K.offsetLeft
+            }
+            if( E.position === "fixed" )
+            {
+                N += Math.max( H.scrollTop, K.scrollTop ),I += Math.max( H.scrollLeft, K.scrollLeft )
+            }
+            return{top:N,left:I}
+        }
+    }
+    o.offset = {initialize:function()
+    {
+        if( this.initialized )
+        {
+            return
+        }
+        var L = document.body,F = document.createElement( "div" ),H,G,N,I,M,E,J = L.style.marginTop,K = '<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';
+        M = {position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"};
+        for( E in M )
+        {
+            F.style[E] = M[E]
+        }
+        F.innerHTML = K;
+        L.insertBefore( F, L.firstChild );
+        H = F.firstChild,G = H.firstChild,I = H.nextSibling.firstChild.firstChild;
+        this.doesNotAddBorder = (G.offsetTop !== 5);
+        this.doesAddBorderForTableAndCells = (I.offsetTop === 5);
+        H.style.overflow = "hidden",H.style.position = "relative";
+        this.subtractsBorderForOverflowNotVisible = (G.offsetTop === -5);
+        L.style.marginTop = "1px";
+        this.doesNotIncludeMarginInBodyOffset = (L.offsetTop === 0);
+        L.style.marginTop = J;
+        L.removeChild( F );
+        this.initialized = true
+    },bodyOffset:function( E )
+    {
+        o.offset.initialized || o.offset.initialize();
+        var G = E.offsetTop,F = E.offsetLeft;
+        if( o.offset.doesNotIncludeMarginInBodyOffset )
+        {
+            G += parseInt( o.curCSS( E, "marginTop", true ), 10 ) || 0,F += parseInt( o.curCSS( E, "marginLeft", true ), 10 ) || 0
+        }
+        return{top:G,left:F}
+    }};
+    o.fn.extend( {position:function()
+    {
+        var I = 0,H = 0,F;
+        if( this[0] )
+        {
+            var G = this.offsetParent(),J = this.offset(),E = /^body|html$/i.test( G[0].tagName ) ? {top:0,left:0} : G.offset();
+            J.top -= j( this, "marginTop" );
+            J.left -= j( this, "marginLeft" );
+            E.top += j( G, "borderTopWidth" );
+            E.left += j( G, "borderLeftWidth" );
+            F = {top:J.top - E.top,left:J.left - E.left}
+        }
+        return F
+    },offsetParent:function()
+    {
+        var E = this[0].offsetParent || document.body;
+        while( E && (!/^body|html$/i.test( E.tagName ) && o.css( E, "position" ) == "static") )
+        {
+            E = E.offsetParent
+        }
+        return o( E )
+    }} );
+    o.each( ["Left","Top"], function( F, E )
+    {
+        var G = "scroll" + E;
+        o.fn[G] = function( H )
+        {
+            if( !this[0] )
+            {
+                return null
+            }
+            return H !== g ? this.each( function()
+            {
+                this == l || this == document ? l.scrollTo( !F ? H : o( l ).scrollLeft(), F ? H : o( l ).scrollTop() ) : this[G] = H
+            } ) : this[0] == l || this[0] == document ? self[F ? "pageYOffset" : "pageXOffset"] || o.boxModel && document.documentElement[G] || document.body[G] : this[0][G]
+        }
+    } );
+    o.each( ["Height","Width"], function( I, G )
+    {
+        var E = I ? "Left" : "Top",H = I ? "Right" : "Bottom",F = G.toLowerCase();
+        o.fn["inner" + G] = function()
+        {
+            return this[0] ? o.css( this[0], F, false, "padding" ) : null
+        };
+        o.fn["outer" + G] = function( K )
+        {
+            return this[0] ? o.css( this[0], F, false, K ? "margin" : "border" ) : null
+        };
+        var J = G.toLowerCase();
+        o.fn[J] = function( K )
+        {
+            return this[0] == l ? document.compatMode == "CSS1Compat" && document.documentElement["client" + G] || document.body["client" + G] : this[0] == document ? Math.max( document.documentElement["client" + G], document.body["scroll" + G], document.documentElement["scroll" + G], document.body["offset" + G], document.documentElement["offset" + G] ) : K === g ? (this.length ? o.css( this[0], J ) : null) : this.css( J, typeof K === "string" ? K : K + "px" )
+        }
+    } )
+})();

ether_megapoli/trunk/web/resources/js/library/prototype.js

@@ -7 +7 @@
  *--------------------------------------------------------------------------*/
 var Prototype = {
-  Version: '1.6.0.3',
-
-  Browser: {
-    IE:     !!(window.attachEvent &&
-      navigator.userAgent.indexOf('Opera') === -1),
-    Opera:  navigator.userAgent.indexOf('Opera') > -1,
-    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
-    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
-      navigator.userAgent.indexOf('KHTML') === -1,
-    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
-  },
-
-  BrowserFeatures: {
-    XPath: !!document.evaluate,
-    SelectorsAPI: !!document.querySelector,
-    ElementExtensions: !!window.HTMLElement,
-    SpecificElementExtensions:
-      document.createElement('div')['__proto__'] &&
-      document.createElement('div')['__proto__'] !==
-        document.createElement('form')['__proto__']
-  },
-
-  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
-  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
-
-  emptyFunction: function() { },
-  K: function(x) { return x }
+    Version: '1.6.0.3',
+
+    Browser: {
+        IE:     !!(window.attachEvent &&
+                navigator.userAgent.indexOf( 'Opera' ) === -1),
+        Opera:  navigator.userAgent.indexOf( 'Opera' ) > -1,
+        WebKit: navigator.userAgent.indexOf( 'AppleWebKit/' ) > -1,
+        Gecko:  navigator.userAgent.indexOf( 'Gecko' ) > -1 &&
+                navigator.userAgent.indexOf( 'KHTML' ) === -1,
+        MobileSafari: !!navigator.userAgent.match( /Apple.*Mobile.*Safari/ )
+    },
+
+    BrowserFeatures: {
+        XPath: !!document.evaluate,
+        SelectorsAPI: !!document.querySelector,
+        ElementExtensions: !!window.HTMLElement,
+        SpecificElementExtensions:
+                document.createElement( 'div' )['__proto__'] &&
+                        document.createElement( 'div' )['__proto__'] !==
+                                document.createElement( 'form' )['__proto__']
+    },
+
+    ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
+    JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
+
+    emptyFunction: function()
+    {
+    },
+    K: function( x )
+    {
+        return x
+    }
 };
 
-if (Prototype.Browser.MobileSafari)
-  Prototype.BrowserFeatures.SpecificElementExtensions = false;
+if( Prototype.Browser.MobileSafari )
+    Prototype.BrowserFeatures.SpecificElementExtensions = false;
 
 
 /* Based on Alex Arnell's inheritance implementation. */
 var Class = {
-  create: function() {
-    var parent = null, properties = $A(arguments);
-    if (Object.isFunction(properties[0]))
-      parent = properties.shift();
-
-    function klass() {
-      this.initialize.apply(this, arguments);
-    }
-
-    Object.extend(klass, Class.Methods);
-    klass.superclass = parent;
-    klass.subclasses = [];
-
-    if (parent) {
-      var subclass = function() { };
-      subclass.prototype = parent.prototype;
-      klass.prototype = new subclass;
-      parent.subclasses.push(klass);
-    }
-
-    for (var i = 0; i < properties.length; i++)
-      klass.addMethods(properties[i]);
-
-    if (!klass.prototype.initialize)
-      klass.prototype.initialize = Prototype.emptyFunction;
-
-    klass.prototype.constructor = klass;
-
-    return klass;
-  }
+    create: function()
+    {
+        var parent = null, properties = $A( arguments );
+        if( Object.isFunction( properties[0] ) )
+            parent = properties.shift();
+
+        function klass()
+        {
+            this.initialize.apply( this, arguments );
+        }
+
+        Object.extend( klass, Class.Methods );
+        klass.superclass = parent;
+        klass.subclasses = [];
+
+        if( parent )
+        {
+            var subclass = function()
+            {
+            };
+            subclass.prototype = parent.prototype;
+            klass.prototype = new subclass;
+            parent.subclasses.push( klass );
+        }
+
+        for( var i = 0; i < properties.length; i++ )
+            klass.addMethods( properties[i] );
+
+        if( !klass.prototype.initialize )
+            klass.prototype.initialize = Prototype.emptyFunction;
+
+        klass.prototype.constructor = klass;
+
+        return klass;
+    }
 };
 
 Class.Methods = {
-  addMethods: function(source) {
-    var ancestor   = this.superclass && this.superclass.prototype;
-    var properties = Object.keys(source);
-
-    if (!Object.keys({ toString: true }).length)
-      properties.push("toString", "valueOf");
-
-    for (var i = 0, length = properties.length; i < length; i++) {
-      var property = properties[i], value = source[property];
-      if (ancestor && Object.isFunction(value) &&
-          value.argumentNames().first() == "$super") {
-        var method = value;
-        value = (function(m) {
-          return function() { return ancestor[m].apply(this, arguments) };
-        })(property).wrap(method);
-
-        value.valueOf = method.valueOf.bind(method);
-        value.toString = method.toString.bind(method);
-      }
-      this.prototype[property] = value;
-    }
-
-    return this;
-  }
+    addMethods: function( source )
+    {
+        var ancestor = this.superclass && this.superclass.prototype;
+        var properties = Object.keys( source );
+
+        if( !Object.keys( { toString: true } ).length )
+            properties.push( "toString", "valueOf" );
+
+        for( var i = 0, length = properties.length; i < length; i++ )
+        {
+            var property = properties[i], value = source[property];
+            if( ancestor && Object.isFunction( value ) &&
+                    value.argumentNames().first() == "$super" )
+            {
+                var method = value;
+                value = (function( m )
+                {
+                    return function()
+                    {
+                        return ancestor[m].apply( this, arguments )
+                    };
+                })( property ).wrap( method );
+
+                value.valueOf = method.valueOf.bind( method );
+                value.toString = method.toString.bind( method );
+            }
+            this.prototype[property] = value;
+        }
+
+        return this;
+    }
 };
 
 var Abstract = { };
 
-Object.extend = function(destination, source) {
-  for (var property in source)
-    destination[property] = source[property];
-  return destination;
+Object.extend = function( destination, source )
+{
+    for( var property in source )
+        destination[property] = source[property];
+    return destination;
 };
 
-Object.extend(Object, {
-  inspect: function(object) {
-    try {
-      if (Object.isUndefined(object)) return 'undefined';
-      if (object === null) return 'null';
-      return object.inspect ? object.inspect() : String(object);
-    } catch (e) {
-      if (e instanceof RangeError) return '...';
-      throw e;
-    }
-  },
-
-  toJSON: function(object) {
-    var type = typeof object;
-    switch (type) {
-      case 'undefined':
-      case 'function':
-      case 'unknown': return;
-      case 'boolean': return object.toString();
-    }
-
-    if (object === null) return 'null';
-    if (object.toJSON) return object.toJSON();
-    if (Object.isElement(object)) return;
-
-    var results = [];
-    for (var property in object) {
-      var value = Object.toJSON(object[property]);
-      if (!Object.isUndefined(value))
-        results.push(property.toJSON() + ': ' + value);
-    }
-
-    return '{' + results.join(', ') + '}';
-  },
-
-  toQueryString: function(object) {
-    return $H(object).toQueryString();
-  },
-
-  toHTML: function(object) {
-    return object && object.toHTML ? object.toHTML() : String.interpret(object);
-  },
-
-  keys: function(object) {
-    var keys = [];
-    for (var property in object)
-      keys.push(property);
-    return keys;
-  },
-
-  values: function(object) {
-    var values = [];
-    for (var property in object)
-      values.push(object[property]);
-    return values;
-  },
-
-  clone: function(object) {
-    return Object.extend({ }, object);
-  },
-
-  isElement: function(object) {
-    return !!(object && object.nodeType == 1);
-  },
-
-  isArray: function(object) {
-    return object != null && typeof object == "object" &&
-      'splice' in object && 'join' in object;
-  },
-
-  isHash: function(object) {
-    return object instanceof Hash;
-  },
-
-  isFunction: function(object) {
-    return typeof object == "function";
-  },
-
-  isString: function(object) {
-    return typeof object == "string";
-  },
-
-  isNumber: function(object) {
-    return typeof object == "number";
-  },
-
-  isUndefined: function(object) {
-    return typeof object == "undefined";
-  }
-});
-
-Object.extend(Function.prototype, {
-  argumentNames: function() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
-      .replace(/\s+/g, '').split(',');
-    return names.length == 1 && !names[0] ? [] : names;
-  },
-
-  bind: function() {
-    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function() {
-      return __method.apply(object, args.concat($A(arguments)));
-    }
-  },
-
-  bindAsEventListener: function() {
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function(event) {
-      return __method.apply(object, [event || window.event].concat(args));
-    }
-  },
-
-  curry: function() {
-    if (!arguments.length) return this;
-    var __method = this, args = $A(arguments);
-    return function() {
-      return __method.apply(this, args.concat($A(arguments)));
-    }
-  },
-
-  delay: function() {
-    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
-    return window.setTimeout(function() {
-      return __method.apply(__method, args);
-    }, timeout);
-  },
-
-  defer: function() {
-    var args = [0.01].concat($A(arguments));
-    return this.delay.apply(this, args);
-  },
-
-  wrap: function(wrapper) {
-    var __method = this;
-    return function() {
-      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
-    }
-  },
-
-  methodize: function() {
-    if (this._methodized) return this._methodized;
-    var __method = this;
-    return this._methodized = function() {
-      return __method.apply(null, [this].concat($A(arguments)));
+Object.extend( Object, {
+    inspect: function( object )
+    {
+        try
+        {
+            if( Object.isUndefined( object ) ) return 'undefined';
+            if( object === null ) return 'null';
+            return object.inspect ? object.inspect() : String( object );
+        }
+        catch ( e )
+        {
+            if( e instanceof RangeError ) return '...';
+            throw e;
+        }
+    },
+
+    toJSON: function( object )
+    {
+        var type = typeof object;
+        switch( type )
+        {
+            case 'undefined':
+            case 'function':
+            case 'unknown': return;
+            case 'boolean': return object.toString();
+        }
+
+        if( object === null ) return 'null';
+        if( object.toJSON ) return object.toJSON();
+        if( Object.isElement( object ) ) return;
+
+        var results = [];
+        for( var property in object )
+        {
+            var value = Object.toJSON( object[property] );
+            if( !Object.isUndefined( value ) )
+                results.push( property.toJSON() + ': ' + value );
+        }
+
+        return '{' + results.join( ', ' ) + '}';
+    },
+
+    toQueryString: function( object )
+    {
+        return $H( object ).toQueryString();
+    },
+
+    toHTML: function( object )
+    {
+        return object && object.toHTML ? object.toHTML() : String.interpret( object );
+    },
+
+    keys: function( object )
+    {
+        var keys = [];
+        for( var property in object )
+            keys.push( property );
+        return keys;
+    },
+
+    values: function( object )
+    {
+        var values = [];
+        for( var property in object )
+            values.push( object[property] );
+        return values;
+    },
+
+    clone: function( object )
+    {
+        return Object.extend( { }, object );
+    },
+
+    isElement: function( object )
+    {
+        return !!(object && object.nodeType == 1);
+    },
+
+    isArray: function( object )
+    {
+        return object != null && typeof object == "object" &&
+                'splice' in object && 'join' in object;
+    },
+
+    isHash: function( object )
+    {
+        return object instanceof Hash;
+    },
+
+    isFunction: function( object )
+    {
+        return typeof object == "function";
+    },
+
+    isString: function( object )
+    {
+        return typeof object == "string";
+    },
+
+    isNumber: function( object )
+    {
+        return typeof object == "number";
+    },
+
+    isUndefined: function( object )
+    {
+        return typeof object == "undefined";
+    }
+} );
+
+Object.extend( Function.prototype, {
+    argumentNames: function()
+    {
+        var names = this.toString().match( /^[\s\(]*function[^(]*\(([^\)]*)\)/ )[1]
+                .replace( /\s+/g, '' ).split( ',' );
+        return names.length == 1 && !names[0] ? [] : names;
+    },
+
+    bind: function()
+    {
+        if( arguments.length < 2 && Object.isUndefined( arguments[0] ) ) return this;
+        var __method = this, args = $A( arguments ), object = args.shift();
+        return function()
+        {
+            return __method.apply( object, args.concat( $A( arguments ) ) );
+        }
+    },
+
+    bindAsEventListener: function()
+    {
+        var __method = this, args = $A( arguments ), object = args.shift();
+        return function( event )
+        {
+            return __method.apply( object, [event || window.event].concat( args ) );
+        }
+    },
+
+    curry: function()
+    {
+        if( !arguments.length ) return this;
+        var __method = this, args = $A( arguments );
+        return function()
+        {
+            return __method.apply( this, args.concat( $A( arguments ) ) );
+        }
+    },
+
+    delay: function()
+    {
+        var __method = this, args = $A( arguments ), timeout = args.shift() * 1000;
+        return window.setTimeout( function()
+        {
+            return __method.apply( __method, args );
+        }, timeout );
+    },
+
+    defer: function()
+    {
+        var args = [0.01].concat( $A( arguments ) );
+        return this.delay.apply( this, args );
+        return this.delay.apply( this, args );
+    },
+
+    wrap: function( wrapper )
+    {
+        var __method = this;
+        return function()
+        {
+            return wrapper.apply( this, [__method.bind( this )].concat( $A( arguments ) ) );
+        }
+    },
+
+    methodize: function()
+    {
+        if( this._methodized ) return this._methodized;
+        var __method = this;
+        return this._methodized = function()
+        {
+            return __method.apply( null, [this].concat( $A( arguments ) ) );
+        };
+    }
+} );
+
+Date.prototype.toJSON = function()
+{
+    return '"' + this.getUTCFullYear() + '-' +
+            (this.getUTCMonth() + 1).toPaddedString( 2 ) + '-' +
+            this.getUTCDate().toPaddedString( 2 ) + 'T' +
+            this.getUTCHours().toPaddedString( 2 ) + ':' +
+            this.getUTCMinutes().toPaddedString( 2 ) + ':' +
+            this.getUTCSeconds().toPaddedString( 2 ) + 'Z"';
+};
+
+var Try = {
+    these: function()
+    {
+        var returnValue;
+
+        for( var i = 0, length = arguments.length; i < length; i++ )
+        {
+            var lambda = arguments[i];
+            try
+            {
+                returnValue = lambda();
+                break;
+            }
+            catch ( e )
+            {
+            }
+        }
+
+        return returnValue;
+    }
+};
+
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function( str )
+{
+    return String( str ).replace( /([.*+?^=!:${}()|[\]\/\\])/g, '\\$1' );
+};
+
+/*--------------------------------------------------------------------------*/
+
+var PeriodicalExecuter = Class.create( {
+    initialize: function( callback, frequency )
+    {
+        this.callback = callback;
+        this.frequency = frequency;
+        this.currentlyExecuting = false;
+
+        this.registerCallback();
+    },
+
+    registerCallback: function()
+    {
+        this.timer = setInterval( this.onTimerEvent.bind( this ), this.frequency * 1000 );
+    },
+
+    execute: function()
+    {
+        this.callback( this );
+    },
+
+    stop: function()
+    {
+        if( !this.timer ) return;
+        clearInterval( this.timer );
+        this.timer = null;
+    },
+
+    onTimerEvent: function()
+    {
+        if( !this.currentlyExecuting )
+        {
+            try
+            {
+                this.currentlyExecuting = true;
+                this.execute();
+            }
+            finally
+            {
+                this.currentlyExecuting = false;
+            }
+        }
+    }
+} );
+Object.extend( String, {
+    interpret: function( value )
+    {
+        return value == null ? '' : String( value );
+    },
+    specialChar: {
+        '\b': '\\b',
+        '\t': '\\t',
+        '\n': '\\n',
+        '\f': '\\f',
+        '\r': '\\r',
+        '\\': '\\\\'
+    }
+} );
+
+Object.extend( String.prototype, {
+    gsub: function( pattern, replacement )
+    {
+        var result = '', source = this, match;
+        replacement = arguments.callee.prepareReplacement( replacement );
+
+        while( source.length > 0 )
+        {
+            if( match = source.match( pattern ) )
+            {
+                result += source.slice( 0, match.index );
+                result += String.interpret( replacement( match ) );
+                source = source.slice( match.index + match[0].length );
+            }
+            else
+            {
+                result += source,source = '';
+            }
+        }
+        return result;
+    },
+
+    sub: function( pattern, replacement, count )
+    {
+        replacement = this.gsub.prepareReplacement( replacement );
+        count = Object.isUndefined( count ) ? 1 : count;
+
+        return this.gsub( pattern, function( match )
+        {
+            if( --count < 0 ) return match[0];
+            return replacement( match );
+        } );
+    },
+
+    scan: function( pattern, iterator )
+    {
+        this.gsub( pattern, iterator );
+        return String( this );
+    },
+
+    truncate: function( length, truncation )
+    {
+        length = length || 30;
+        truncation = Object.isUndefined( truncation ) ? '...' : truncation;
+        return this.length > length ?
+                this.slice( 0, length - truncation.length ) + truncation : String( this );
+    },
+
+    strip: function()
+    {
+        return this.replace( /^\s+/, '' ).replace( /\s+$/, '' );
+    },
+
+    stripTags: function()
+    {
+        return this.replace( /<\/?[^>]+>/gi, '' );
+    },
+
+    stripScripts: function()
+    {
+        return this.replace( new RegExp( Prototype.ScriptFragment, 'img' ), '' );
+    },
+
+    extractScripts: function()
+    {
+        var matchAll = new RegExp( Prototype.ScriptFragment, 'img' );
+        var matchOne = new RegExp( Prototype.ScriptFragment, 'im' );
+        return (this.match( matchAll ) || []).map( function( scriptTag )
+        {
+            return (scriptTag.match( matchOne ) || ['', ''])[1];
+        } );
+    },
+
+    evalScripts: function()
+    {
+        return this.extractScripts().map( function( script )
+        {
+            return eval( script )
+        } );
+    },
+
+    escapeHTML: function()
+    {
+        var self = arguments.callee;
+        self.text.data = this;
+        return self.div.innerHTML;
+    },
+
+    unescapeHTML: function()
+    {
+        var div = new Element( 'div' );
+        div.innerHTML = this.stripTags();
+        return div.childNodes[0] ? (div.childNodes.length > 1 ?
+                $A( div.childNodes ).inject( '', function( memo, node )
+                {
+                    return memo + node.nodeValue
+                } ) :
+                div.childNodes[0].nodeValue) : '';
+    },
+
+    toQueryParams: function( separator )
+    {
+        var match = this.strip().match( /([^?#]*)(#.*)?$/ );
+        if( !match ) return { };
+
+        return match[1].split( separator || '&' ).inject( { }, function( hash, pair )
+        {
+            if( (pair = pair.split( '=' ))[0] )
+            {
+                var key = decodeURIComponent( pair.shift() );
+                var value = pair.length > 1 ? pair.join( '=' ) : pair[0];
+                if( value != undefined ) value = decodeURIComponent( value );
+
+                if( key in hash )
+                {
+                    if( !Object.isArray( hash[key] ) ) hash[key] = [hash[key]];
+                    hash[key].push( value );
+                }
+                else hash[key] = value;
+            }
+            return hash;
+        } );
+    },
+
+    toArray: function()
+    {
+        return this.split( '' );
+    },
+
+    succ: function()
+    {
+        return this.slice( 0, this.length - 1 ) +
+                String.fromCharCode( this.charCodeAt( this.length - 1 ) + 1 );
+    },
+
+    times: function( count )
+    {
+        return count < 1 ? '' : new Array( count + 1 ).join( this );
+    },
+
+    camelize: function()
+    {
+        var parts = this.split( '-' ), len = parts.length;
+        if( len == 1 ) return parts[0];
+
+        var camelized = this.charAt( 0 ) == '-'
+                ? parts[0].charAt( 0 ).toUpperCase() + parts[0].substring( 1 )
+                : parts[0];
+
+        for( var i = 1; i < len; i++ )
+            camelized += parts[i].charAt( 0 ).toUpperCase() + parts[i].substring( 1 );
+
+        return camelized;
+    },
+
+    capitalize: function()
+    {
+        return this.charAt( 0 ).toUpperCase() + this.substring( 1 ).toLowerCase();
+    },
+
+    underscore: function()
+    {
+        return this.gsub( /::/, '/' ).gsub( /([A-Z]+)([A-Z][a-z])/, '#{1}_#{2}' ).gsub( /([a-z\d])([A-Z])/, '#{1}_#{2}' ).gsub( /-/, '_' ).toLowerCase();
+    },
+
+    dasherize: function()
+    {
+        return this.gsub( /_/, '-' );
+    },
+
+    inspect: function( useDoubleQuotes )
+    {
+        var escapedString = this.gsub( /[\x00-\x1f\\]/, function( match )
+        {
+            var character = String.specialChar[match[0]];
+            return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString( 2, 16 );
+        } );
+        if( useDoubleQuotes ) return '"' + escapedString.replace( /"/g, '\\"' ) + '"';
+        return "'" + escapedString.replace( /'/g, '\\\'' ) + "'";
+    },
+
+    toJSON: function()
+    {
+        return this.inspect( true );
+    },
+
+    unfilterJSON: function( filter )
+    {
+        return this.sub( filter || Prototype.JSONFilter, '#{1}' );
+    },
+
+    isJSON: function()
+    {
+        var str = this;
+        if( str.blank() ) return false;
+        str = this.replace( /\\./g, '@' ).replace( /"[^"\\\n\r]*"/g, '' );
+        return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test( str );
+    },
+
+    evalJSON: function( sanitize )
+    {
+        var json = this.unfilterJSON();
+        try
+        {
+            if( !sanitize || json.isJSON() ) return eval( '(' + json + ')' );
+        }
+        catch ( e )
+        {
+        }
+        throw new SyntaxError( 'Badly formed JSON string: ' + this.inspect() );
+    },
+
+    include: function( pattern )
+    {
+        return this.indexOf( pattern ) > -1;
+    },
+
+    startsWith: function( pattern )
+    {
+        return this.indexOf( pattern ) === 0;
+    },
+
+    endsWith: function( pattern )
+    {
+        var d = this.length - pattern.length;
+        return d >= 0 && this.lastIndexOf( pattern ) === d;
+    },
+
+    empty: function()
+    {
+        return this == '';
+    },
+
+    blank: function()
+    {
+        return /^\s*$/.test( this );
+    },
+
+    interpolate: function( object, pattern )
+    {
+        return new Template( this, pattern ).evaluate( object );
+    }
+} );
+
+if( Prototype.Browser.WebKit || Prototype.Browser.IE ) Object.extend( String.prototype, {
+    escapeHTML: function()
+    {
+        return this.replace( /&/g, '&amp;' ).replace( /</g, '&lt;' ).replace( />/g, '&gt;' );
+    },
+    unescapeHTML: function()
+    {
+        return this.stripTags().replace( /&amp;/g, '&' ).replace( /&lt;/g, '<' ).replace( /&gt;/g, '>' );
+    }
+} );
+
+String.prototype.gsub.prepareReplacement = function( replacement )
+{
+    if( Object.isFunction( replacement ) ) return replacement;
+    var template = new Template( replacement );
+    return function( match )
+    {
+        return template.evaluate( match )
     };
-  }
-});
-
-Date.prototype.toJSON = function() {
-  return '"' + this.getUTCFullYear() + '-' +
-    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
-    this.getUTCDate().toPaddedString(2) + 'T' +
-    this.getUTCHours().toPaddedString(2) + ':' +
-    this.getUTCMinutes().toPaddedString(2) + ':' +
-    this.getUTCSeconds().toPaddedString(2) + 'Z"';
 };
 
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-
-    return returnValue;
-  }
+String.prototype.parseQuery = String.prototype.toQueryParams;
+
+Object.extend( String.prototype.escapeHTML, {
+    div:  document.createElement( 'div' ),
+    text: document.createTextNode( '' )
+} );
+
+String.prototype.escapeHTML.div.appendChild( String.prototype.escapeHTML.text );
+
+var Template = Class.create( {
+    initialize: function( template, pattern )
+    {
+        this.template = template.toString();
+        this.pattern = pattern || Template.Pattern;
+    },
+
+    evaluate: function( object )
+    {
+        if( Object.isFunction( object.toTemplateReplacements ) )
+            object = object.toTemplateReplacements();
+
+        return this.template.gsub( this.pattern, function( match )
+        {
+            if( object == null ) return '';
+
+            var before = match[1] || '';
+            if( before == '\\' ) return match[2];
+
+            var ctx = object, expr = match[3];
+            var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
+            match = pattern.exec( expr );
+            if( match == null ) return before;
+
+            while( match != null )
+            {
+                var comp = match[1].startsWith( '[' ) ? match[2].gsub( '\\\\]', ']' ) : match[1];
+                ctx = ctx[comp];
+                if( null == ctx || '' == match[3] ) break;
+                expr = expr.substring( '[' == match[3] ? match[1].length : match[0].length );
+                match = pattern.exec( expr );
+            }
+
+            return before + String.interpret( ctx );
+        } );
+    }
+} );
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
+
+var $break = { };
+
+var Enumerable = {
+    each: function( iterator, context )
+    {
+        var index = 0;
+        try
+        {
+            this._each( function( value )
+            {
+                iterator.call( context, value, index++ );
+            } );
+        }
+        catch ( e )
+        {
+            if( e != $break ) throw e;
+        }
+        return this;
+    },
+
+    eachSlice: function( number, iterator, context )
+    {
+        var index = -number, slices = [], array = this.toArray();
+        if( number < 1 ) return array;
+        while( (index += number) < array.length )
+            slices.push( array.slice( index, index + number ) );
+        return slices.collect( iterator, context );
+    },
+
+    all: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var result = true;
+        this.each( function( value, index )
+        {
+            result = result && !!iterator.call( context, value, index );
+            if( !result ) throw $break;
+        } );
+        return result;
+    },
+
+    any: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var result = false;
+        this.each( function( value, index )
+        {
+            if( result = !!iterator.call( context, value, index ) )
+                throw $break;
+        } );
+        return result;
+    },
+
+    collect: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var results = [];
+        this.each( function( value, index )
+        {
+            results.push( iterator.call( context, value, index ) );
+        } );
+        return results;
+    },
+
+    detect: function( iterator, context )
+    {
+        var result;
+        this.each( function( value, index )
+        {
+            if( iterator.call( context, value, index ) )
+            {
+                result = value;
+                throw $break;
+            }
+        } );
+        return result;
+    },
+
+    findAll: function( iterator, context )
+    {
+        var results = [];
+        this.each( function( value, index )
+        {
+            if( iterator.call( context, value, index ) )
+                results.push( value );
+        } );
+        return results;
+    },
+
+    grep: function( filter, iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var results = [];
+
+        if( Object.isString( filter ) )
+            filter = new RegExp( filter );
+
+        this.each( function( value, index )
+        {
+            if( filter.match( value ) )
+                results.push( iterator.call( context, value, index ) );
+        } );
+        return results;
+    },
+
+    include: function( object )
+    {
+        if( Object.isFunction( this.indexOf ) )
+            if( this.indexOf( object ) != -1 ) return true;
+
+        var found = false;
+        this.each( function( value )
+        {
+            if( value == object )
+            {
+                found = true;
+                throw $break;
+            }
+        } );
+        return found;
+    },
+
+    inGroupsOf: function( number, fillWith )
+    {
+        fillWith = Object.isUndefined( fillWith ) ? null : fillWith;
+        return this.eachSlice( number, function( slice )
+        {
+            while( slice.length < number ) slice.push( fillWith );
+            return slice;
+        } );
+    },
+
+    inject: function( memo, iterator, context )
+    {
+        this.each( function( value, index )
+        {
+            memo = iterator.call( context, memo, value, index );
+        } );
+        return memo;
+    },
+
+    invoke: function( method )
+    {
+        var args = $A( arguments ).slice( 1 );
+        return this.map( function( value )
+        {
+            return value[method].apply( value, args );
+        } );
+    },
+
+    max: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var result;
+        this.each( function( value, index )
+        {
+            value = iterator.call( context, value, index );
+            if( result == null || value >= result )
+                result = value;
+        } );
+        return result;
+    },
+
+    min: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var result;
+        this.each( function( value, index )
+        {
+            value = iterator.call( context, value, index );
+            if( result == null || value < result )
+                result = value;
+        } );
+        return result;
+    },
+
+    partition: function( iterator, context )
+    {
+        iterator = iterator || Prototype.K;
+        var trues = [], falses = [];
+        this.each( function( value, index )
+        {
+            (iterator.call( context, value, index ) ?
+                    trues : falses).push( value );
+        } );
+        return [trues, falses];
+    },
+
+    pluck: function( property )
+    {
+        var results = [];
+        this.each( function( value )
+        {
+            results.push( value[property] );
+        } );
+        return results;
+    },
+
+    reject: function( iterator, context )
+    {
+        var results = [];
+        this.each( function( value, index )
+        {
+            if( !iterator.call( context, value, index ) )
+                results.push( value );
+        } );
+        return results;
+    },
+
+    sortBy: function( iterator, context )
+    {
+        return this.map(
+                function( value, index )
+                {
+                    return {
+                        value: value,
+                        criteria: iterator.call( context, value, index )
+                    };
+                } ).sort(
+                function( left, right )
+                {
+                    var a = left.criteria, b = right.criteria;
+                    return a < b ? -1 : a > b ? 1 : 0;
+                } ).pluck( 'value' );
+    },
+
+    toArray: function()
+    {
+        return this.map();
+    },
+
+    zip: function()
+    {
+        var iterator = Prototype.K, args = $A( arguments );
+        if( Object.isFunction( args.last() ) )
+            iterator = args.pop();
+
+        var collections = [this].concat( args ).map( $A );
+        return this.map( function( value, index )
+        {
+            return iterator( collections.pluck( index ) );
+        } );
+    },
+
+    size: function()
+    {
+        return this.toArray().length;
+    },
+
+    inspect: function()
+    {
+        return '#<Enumerable:' + this.toArray().inspect() + '>';
+    }
 };
 
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
-  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+Object.extend( Enumerable, {
+    map:     Enumerable.collect,
+    find:    Enumerable.detect,
+    select:  Enumerable.findAll,
+    filter:  Enumerable.findAll,
+    member:  Enumerable.include,
+    entries: Enumerable.toArray,
+    every:   Enumerable.all,
+    some:    Enumerable.any
+} );
+function $A( iterable )
+{
+    if( !iterable ) return [];
+    if( iterable.toArray ) return iterable.toArray();
+    var length = iterable.length || 0, results = new Array( length );
+    while( length-- ) results[length] = iterable[length];
+    return results;
+}
+
+if( Prototype.Browser.WebKit )
+{
+    $A = function( iterable )
+    {
+        if( !iterable ) return [];
+        // In Safari, only use the `toArray` method if it's not a NodeList.
+        // A NodeList is a function, has an function `item` property, and a numeric
+        // `length` property. Adapted from Google Doctype.
+        if( !(typeof iterable === 'function' && typeof iterable.length ===
+                'number' && typeof iterable.item === 'function') && iterable.toArray )
+            return iterable.toArray();
+        var length = iterable.length || 0, results = new Array( length );
+        while( length-- ) results[length] = iterable[length];
+        return results;
+    };
+}
+
+Array.from = $A;
+
+Object.extend( Array.prototype, Enumerable );
+
+if( !Array.prototype._reverse ) Array.prototype._reverse = Array.prototype.reverse;
+
+Object.extend( Array.prototype, {
+    _each: function( iterator )
+    {
+        for( var i = 0, length = this.length; i < length; i++ )
+            iterator( this[i] );
+    },
+
+    clear: function()
+    {
+        this.length = 0;
+        return this;
+    },
+
+    first: function()
+    {
+        return this[0];
+    },
+
+    last: function()
+    {
+        return this[this.length - 1];
+    },
+
+    compact: function()
+    {
+        return this.select( function( value )
+        {
+            return value != null;
+        } );
+    },
+
+    flatten: function()
+    {
+        return this.inject( [], function( array, value )
+        {
+            return array.concat( Object.isArray( value ) ?
+                    value.flatten() : [value] );
+        } );
+    },
+
+    without: function()
+    {
+        var values = $A( arguments );
+        return this.select( function( value )
+        {
+            return !values.include( value );
+        } );
+    },
+
+    reverse: function( inline )
+    {
+        return (inline !== false ? this : this.toArray())._reverse();
+    },
+
+    reduce: function()
+    {
+        return this.length > 1 ? this : this[0];
+    },
+
+    uniq: function( sorted )
+    {
+        return this.inject( [], function( array, value, index )
+        {
+            if( 0 == index || (sorted ? array.last() != value : !array.include( value )) )
+                array.push( value );
+            return array;
+        } );
+    },
+
+    intersect: function( array )
+    {
+        return this.uniq().findAll( function( item )
+        {
+            return array.detect( function( value )
+            {
+                return item === value
+            } );
+        } );
+    },
+
+    clone: function()
+    {
+        return [].concat( this );
+    },
+
+    size: function()
+    {
+        return this.length;
+    },
+
+    inspect: function()
+    {
+        return '[' + this.map( Object.inspect ).join( ', ' ) + ']';
+    },
+
+    toJSON: function()
+    {
+        var results = [];
+        this.each( function( object )
+        {
+            var value = Object.toJSON( object );
+            if( !Object.isUndefined( value ) ) results.push( value );
+        } );
+        return '[' + results.join( ', ' ) + ']';
+    }
+} );
+
+// use native browser JS 1.6 implementation if available
+if( Object.isFunction( Array.prototype.forEach ) )
+    Array.prototype._each = Array.prototype.forEach;
+
+if( !Array.prototype.indexOf ) Array.prototype.indexOf = function( item, i )
+{
+    i || (i = 0);
+    var length = this.length;
+    if( i < 0 ) i = length + i;
+    for( ; i < length; i++ )
+        if( this[i] === item ) return i;
+    return -1;
 };
 
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create({
-  initialize: function(callback, frequency) {
-    this.callback = callback;
-    this.frequency = frequency;
-    this.currentlyExecuting = false;
-
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  execute: function() {
-    this.callback(this);
-  },
-
-  stop: function() {
-    if (!this.timer) return;
-    clearInterval(this.timer);
-    this.timer = null;
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.execute();
-      } finally {
-        this.currentlyExecuting = false;
-      }
-    }
-  }
-});
-Object.extend(String, {
-  interpret: function(value) {
-    return value == null ? '' : String(value);
-  },
-  specialChar: {
-    '\b': '\\b',
-    '\t': '\\t',
-    '\n': '\\n',
-    '\f': '\\f',
-    '\r': '\\r',
-    '\\': '\\\\'
-  }
-});
-
-Object.extend(String.prototype, {
-  gsub: function(pattern, replacement) {
-    var result = '', source = this, match;
-    replacement = arguments.callee.prepareReplacement(replacement);
-
-    while (source.length > 0) {
-      if (match = source.match(pattern)) {
-        result += source.slice(0, match.index);
-        result += String.interpret(replacement(match));
-        source  = source.slice(match.index + match[0].length);
-      } else {
-        result += source, source = '';
-      }
-    }
-    return result;
-  },
-
-  sub: function(pattern, replacement, count) {
-    replacement = this.gsub.prepareReplacement(replacement);
-    count = Object.isUndefined(count) ? 1 : count;
-
-    return this.gsub(pattern, function(match) {
-      if (--count < 0) return match[0];
-      return replacement(match);
-    });
-  },
-
-  scan: function(pattern, iterator) {
-    this.gsub(pattern, iterator);
-    return String(this);
-  },
-
-  truncate: function(length, truncation) {
-    length = length || 30;
-    truncation = Object.isUndefined(truncation) ? '...' : truncation;
-    return this.length > length ?
-      this.slice(0, length - truncation.length) + truncation : String(this);
-  },
-
-  strip: function() {
-    return this.replace(/^\s+/, '').replace(/\s+$/, '');
-  },
-
-  stripTags: function() {
-    return this.replace(/<\/?[^>]+>/gi, '');
-  },
-
-  stripScripts: function() {
-    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-  },
-
-  extractScripts: function() {
-    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
-    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
-    return (this.match(matchAll) || []).map(function(scriptTag) {
-      return (scriptTag.match(matchOne) || ['', ''])[1];
-    });
-  },
-
-  evalScripts: function() {
-    return this.extractScripts().map(function(script) { return eval(script) });
-  },
-
-  escapeHTML: function() {
-    var self = arguments.callee;
-    self.text.data = this;
-    return self.div.innerHTML;
-  },
-
-  unescapeHTML: function() {
-    var div = new Element('div');
-    div.innerHTML = this.stripTags();
-    return div.childNodes[0] ? (div.childNodes.length > 1 ?
-      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
-      div.childNodes[0].nodeValue) : '';
-  },
-
-  toQueryParams: function(separator) {
-    var match = this.strip().match(/([^?#]*)(#.*)?$/);
-    if (!match) return { };
-
-    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
-      if ((pair = pair.split('='))[0]) {
-        var key = decodeURIComponent(pair.shift());
-        var value = pair.length > 1 ? pair.join('=') : pair[0];
-        if (value != undefined) value = decodeURIComponent(value);
-
-        if (key in hash) {
-          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
-          hash[key].push(value);
-        }
-        else hash[key] = value;
-      }
-      return hash;
-    });
-  },
-
-  toArray: function() {
-    return this.split('');
-  },
-
-  succ: function() {
-    return this.slice(0, this.length - 1) +
-      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
-  },
-
-  times: function(count) {
-    return count < 1 ? '' : new Array(count + 1).join(this);
-  },
-
-  camelize: function() {
-    var parts = this.split('-'), len = parts.length;
-    if (len == 1) return parts[0];
-
-    var camelized = this.charAt(0) == '-'
-      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
-      : parts[0];
-
-    for (var i = 1; i < len; i++)
-      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
-
-    return camelized;
-  },
-
-  capitalize: function() {
-    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
-  },
-
-  underscore: function() {
-    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
-  },
-
-  dasherize: function() {
-    return this.gsub(/_/,'-');
-  },
-
-  inspect: function(useDoubleQuotes) {
-    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
-      var character = String.specialChar[match[0]];
-      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
-    });
-    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
-    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
-  },
-
-  toJSON: function() {
-    return this.inspect(true);
-  },
-
-  unfilterJSON: function(filter) {
-    return this.sub(filter || Prototype.JSONFilter, '#{1}');
-  },
-
-  isJSON: function() {
-    var str = this;
-    if (str.blank()) return false;
-    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
-    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
-  },
-
-  evalJSON: function(sanitize) {
-    var json = this.unfilterJSON();
-    try {
-      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
-    } catch (e) { }
-    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
-  },
-
-  include: function(pattern) {
-    return this.indexOf(pattern) > -1;
-  },
-
-  startsWith: function(pattern) {
-    return this.indexOf(pattern) === 0;
-  },
-
-  endsWith: function(pattern) {
-    var d = this.length - pattern.length;
-    return d >= 0 && this.lastIndexOf(pattern) === d;
-  },
-
-  empty: function() {
-    return this == '';
-  },
-
-  blank: function() {
-    return /^\s*$/.test(this);
-  },
-
-  interpolate: function(object, pattern) {
-    return new Template(this, pattern).evaluate(object);
-  }
-});
-
-if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
-  escapeHTML: function() {
-    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
-  },
-  unescapeHTML: function() {
-    return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
-  }
-});
-
-String.prototype.gsub.prepareReplacement = function(replacement) {
-  if (Object.isFunction(replacement)) return replacement;
-  var template = new Template(replacement);
-  return function(match) { return template.evaluate(match) };
+if( !Array.prototype.lastIndexOf ) Array.prototype.lastIndexOf = function( item, i )
+{
+    i = isNaN( i ) ? this.length : (i < 0 ? this.length + i : i) + 1;
+    var n = this.slice( 0, i ).reverse().indexOf( item );
+    return (n < 0) ? n : i - n - 1;
 };
 
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-Object.extend(String.prototype.escapeHTML, {
-  div:  document.createElement('div'),
-  text: document.createTextNode('')
-});
-
-String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
-
-var Template = Class.create({
-  initialize: function(template, pattern) {
-    this.template = template.toString();
-    this.pattern = pattern || Template.Pattern;
-  },
-
-  evaluate: function(object) {
-    if (Object.isFunction(object.toTemplateReplacements))
-      object = object.toTemplateReplacements();
-
-    return this.template.gsub(this.pattern, function(match) {
-      if (object == null) return '';
-
-      var before = match[1] || '';
-      if (before == '\\') return match[2];
-
-      var ctx = object, expr = match[3];
-      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
-      match = pattern.exec(expr);
-      if (match == null) return before;
-
-      while (match != null) {
-        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
-        ctx = ctx[comp];
-        if (null == ctx || '' == match[3]) break;
-        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
-        match = pattern.exec(expr);
-      }
-
-      return before + String.interpret(ctx);
-    });
-  }
-});
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-
-var $break = { };
-
-var Enumerable = {
-  each: function(iterator, context) {
-    var index = 0;
-    try {
-      this._each(function(value) {
-        iterator.call(context, value, index++);
-      });
-    } catch (e) {
-      if (e != $break) throw e;
-    }
-    return this;
-  },
-
-  eachSlice: function(number, iterator, context) {
-    var index = -number, slices = [], array = this.toArray();
-    if (number < 1) return array;
-    while ((index += number) < array.length)
-      slices.push(array.slice(index, index+number));
-    return slices.collect(iterator, context);
-  },
-
-  all: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result = true;
-    this.each(function(value, index) {
-      result = result && !!iterator.call(context, value, index);
-      if (!result) throw $break;
-    });
-    return result;
-  },
-
-  any: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result = false;
-    this.each(function(value, index) {
-      if (result = !!iterator.call(context, value, index))
-        throw $break;
-    });
-    return result;
-  },
-
-  collect: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var results = [];
-    this.each(function(value, index) {
-      results.push(iterator.call(context, value, index));
-    });
-    return results;
-  },
-
-  detect: function(iterator, context) {
-    var result;
-    this.each(function(value, index) {
-      if (iterator.call(context, value, index)) {
-        result = value;
-        throw $break;
-      }
-    });
-    return result;
-  },
-
-  findAll: function(iterator, context) {
-    var results = [];
-    this.each(function(value, index) {
-      if (iterator.call(context, value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  grep: function(filter, iterator, context) {
-    iterator = iterator || Prototype.K;
-    var results = [];
-
-    if (Object.isString(filter))
-      filter = new RegExp(filter);
-
-    this.each(function(value, index) {
-      if (filter.match(value))
-        results.push(iterator.call(context, value, index));
-    });
-    return results;
-  },
-
-  include: function(object) {
-    if (Object.isFunction(this.indexOf))
-      if (this.indexOf(object) != -1) return true;
-
-    var found = false;
-    this.each(function(value) {
-      if (value == object) {
-        found = true;
-        throw $break;
-      }
-    });
-    return found;
-  },
-
-  inGroupsOf: function(number, fillWith) {
-    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
-    return this.eachSlice(number, function(slice) {
-      while(slice.length < number) slice.push(fillWith);
-      return slice;
-    });
-  },
-
-  inject: function(memo, iterator, context) {
-    this.each(function(value, index) {
-      memo = iterator.call(context, memo, value, index);
-    });
-    return memo;
-  },
-
-  invoke: function(method) {
-    var args = $A(arguments).slice(1);
-    return this.map(function(value) {
-      return value[method].apply(value, args);
-    });
-  },
-
-  max: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator.call(context, value, index);
-      if (result == null || value >= result)
-        result = value;
-    });
-    return result;
-  },
-
-  min: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator.call(context, value, index);
-      if (result == null || value < result)
-        result = value;
-    });
-    return result;
-  },
-
-  partition: function(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var trues = [], falses = [];
-    this.each(function(value, index) {
-      (iterator.call(context, value, index) ?
-        trues : falses).push(value);
-    });
-    return [trues, falses];
-  },
-
-  pluck: function(property) {
-    var results = [];
-    this.each(function(value) {
-      results.push(value[property]);
-    });
-    return results;
-  },
-
-  reject: function(iterator, context) {
-    var results = [];
-    this.each(function(value, index) {
-      if (!iterator.call(context, value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  sortBy: function(iterator, context) {
-    return this.map(function(value, index) {
-      return {
-        value: value,
-        criteria: iterator.call(context, value, index)
-      };
-    }).sort(function(left, right) {
-      var a = left.criteria, b = right.criteria;
-      return a < b ? -1 : a > b ? 1 : 0;
-    }).pluck('value');
-  },
-
-  toArray: function() {
-    return this.map();
-  },
-
-  zip: function() {
-    var iterator = Prototype.K, args = $A(arguments);
-    if (Object.isFunction(args.last()))
-      iterator = args.pop();
-
-    var collections = [this].concat(args).map($A);
-    return this.map(function(value, index) {
-      return iterator(collections.pluck(index));
-    });
-  },
-
-  size: function() {
-    return this.toArray().length;
-  },
-
-  inspect: function() {
-    return '#<Enumerable:' + this.toArray().inspect() + '>';
-  }
-};
-
-Object.extend(Enumerable, {
-  map:     Enumerable.collect,
-  find:    Enumerable.detect,
-  select:  Enumerable.findAll,
-  filter:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray,
-  every:   Enumerable.all,
-  some:    Enumerable.any
-});
-function $A(iterable) {
-  if (!iterable) return [];
-  if (iterable.toArray) return iterable.toArray();
-  var length = iterable.length || 0, results = new Array(length);
-  while (length--) results[length] = iterable[length];
-  return results;
+Array.prototype.toArray = Array.prototype.clone;
+
+function $w( string )
+{
+    if( !Object.isString( string ) ) return [];
+    string = string.strip();
+    return string ? string.split( /\s+/ ) : [];
 }
 
-if (Prototype.Browser.WebKit) {
-  $A = function(iterable) {
-    if (!iterable) return [];
-    // In Safari, only use the `toArray` method if it's not a NodeList.
-    // A NodeList is a function, has an function `item` property, and a numeric
-    // `length` property. Adapted from Google Doctype.
-    if (!(typeof iterable === 'function' && typeof iterable.length ===
-        'number' && typeof iterable.item === 'function') && iterable.toArray)
-      return iterable.toArray();
-    var length = iterable.length || 0, results = new Array(length);
-    while (length--) results[length] = iterable[length];
-    return results;
-  };
+if( Prototype.Browser.Opera )
+{
+    Array.prototype.concat = function()
+    {
+        var array = [];
+        for( var i = 0, length = this.length; i < length; i++ ) array.push( this[i] );
+        for( var i = 0, length = arguments.length; i < length; i++ )
+        {
+            if( Object.isArray( arguments[i] ) )
+            {
+                for( var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++ )
+                    array.push( arguments[i][j] );
+            }
+            else
+            {
+                array.push( arguments[i] );
+            }
+        }
+        return array;
+    };
 }
-
-Array.from = $A;
-
-Object.extend(Array.prototype, Enumerable);
-
-if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
-
-Object.extend(Array.prototype, {
-  _each: function(iterator) {
-    for (var i = 0, length = this.length; i < length; i++)
-      iterator(this[i]);
-  },
-
-  clear: function() {
-    this.length = 0;
-    return this;
-  },
-
-  first: function() {
-    return this[0];
-  },
-
-  last: function() {
-    return this[this.length - 1];
-  },
-
-  compact: function() {
-    return this.select(function(value) {
-      return value != null;
-    });
-  },
-
-  flatten: function() {
-    return this.inject([], function(array, value) {
-      return array.concat(Object.isArray(value) ?
-        value.flatten() : [value]);
-    });
-  },
-
-  without: function() {
-    var values = $A(arguments);
-    return this.select(function(value) {
-      return !values.include(value);
-    });
-  },
-
-  reverse: function(inline) {
-    return (inline !== false ? this : this.toArray())._reverse();
-  },
-
-  reduce: function() {
-    return this.length > 1 ? this : this[0];
-  },
-
-  uniq: function(sorted) {
-    return this.inject([], function(array, value, index) {
-      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
-        array.push(value);
-      return array;
-    });
-  },
-
-  intersect: function(array) {
-    return this.uniq().findAll(function(item) {
-      return array.detect(function(value) { return item === value });
-    });
-  },
-
-  clone: function() {
-    return [].concat(this);
-  },
-
-  size: function() {
-    return this.length;
-  },
-
-  inspect: function() {
-    return '[' + this.map(Object.inspect).join(', ') + ']';
-  },
-
-  toJSON: function() {
-    var results = [];
-    this.each(function(object) {
-      var value = Object.toJSON(object);
-      if (!Object.isUndefined(value)) results.push(value);
-    });
-    return '[' + results.join(', ') + ']';
-  }
-});
-
-// use native browser JS 1.6 implementation if available
-if (Object.isFunction(Array.prototype.forEach))
-  Array.prototype._each = Array.prototype.forEach;
-
-if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
-  i || (i = 0);
-  var length = this.length;
-  if (i < 0) i = length + i;
-  for (; i < length; i++)
-    if (this[i] === item) return i;
-  return -1;
-};
-
-if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
-  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
-  var n = this.slice(0, i).reverse().indexOf(item);
-  return (n < 0) ? n : i - n - 1;
-};
-
-Array.prototype.toArray = Array.prototype.clone;
-
-function $w(string) {
-  if (!Object.isString(string)) return [];
-  string = string.strip();
-  return string ? string.split(/\s+/) : [];
+Object.extend( Number.prototype, {
+    toColorPart: function()
+    {
+        return this.toPaddedString( 2, 16 );
+    },
+
+    succ: function()
+    {
+        return this + 1;
+    },
+
+    times: function( iterator, context )
+    {
+        $R( 0, this, true ).each( iterator, context );
+        return this;
+    },
+
+    toPaddedString: function( length, radix )
+    {
+        var string = this.toString( radix || 10 );
+        return '0'.times( length - string.length ) + string;
+    },
+
+    toJSON: function()
+    {
+        return isFinite( this ) ? this.toString() : 'null';
+    }
+} );
+
+$w( 'abs round ceil floor' ).each( function( method )
+{
+    Number.prototype[method] = Math[method].methodize();
+} );
+function $H( object )
+{
+    return new Hash( object );
 }
-
-if (Prototype.Browser.Opera){
-  Array.prototype.concat = function() {
-    var array = [];
-    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      if (Object.isArray(arguments[i])) {
-        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
-          array.push(arguments[i][j]);
-      } else {
-        array.push(arguments[i]);
-      }
-    }
-    return array;
-  };
-}
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    return this.toPaddedString(2, 16);
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-
-  times: function(iterator, context) {
-    $R(0, this, true).each(iterator, context);
-    return this;
-  },
-
-  toPaddedString: function(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
-  },
-
-  toJSON: function() {
-    return isFinite(this) ? this.toString() : 'null';
-  }
-});
-
-$w('abs round ceil floor').each(function(method){
-  Number.prototype[method] = Math[method].methodize();
-});
-function $H(object) {
-  return new Hash(object);
-};
-
-var Hash = Class.create(Enumerable, (function() {
-
-  function toQueryPair(key, value) {
-    if (Object.isUndefined(value)) return key;
-    return key + '=' + encodeURIComponent(String.interpret(value));
-  }
-
-  return {
-    initialize: function(object) {
-      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
-    },
-
-    _each: function(iterator) {
-      for (var key in this._object) {
-        var value = this._object[key], pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    },
-
-    set: function(key, value) {
-      return this._object[key] = value;
-    },
-
-    get: function(key) {
-      // simulating poorly supported hasOwnProperty
-      if (this._object[key] !== Object.prototype[key])
-        return this._object[key];
-    },
-
-    unset: function(key) {
-      var value = this._object[key];
-      delete this._object[key];
-      return value;
-    },
-
-    toObject: function() {
-      return Object.clone(this._object);
-    },
-
-    keys: function() {
-      return this.pluck('key');
-    },
-
-    values: function() {
-      return this.pluck('value');
-    },
-
-    index: function(value) {
-      var match = this.detect(function(pair) {
-        return pair.value === value;
-      });
-      return match && match.key;
-    },
-
-    merge: function(object) {
-      return this.clone().update(object);
-    },
-
-    update: function(object) {
-      return new Hash(object).inject(this, function(result, pair) {
-        result.set(pair.key, pair.value);
-        return result;
-      });
-    },
-
-    toQueryString: function() {
-      return this.inject([], function(results, pair) {
-        var key = encodeURIComponent(pair.key), values = pair.value;
-
-        if (values && typeof values == 'object') {
-          if (Object.isArray(values))
-            return results.concat(values.map(toQueryPair.curry(key)));
-        } else results.push(toQueryPair(key, values));
-        return results;
-      }).join('&');
-    },
-
-    inspect: function() {
-      return '#<Hash:{' + this.map(function(pair) {
-        return pair.map(Object.inspect).join(': ');
-      }).join(', ') + '}>';
-    },
-
-    toJSON: function() {
-      return Object.toJSON(this.toObject());
-    },
-
-    clone: function() {
-      return new Hash(this);
-    }
-  }
-})());
+;
+
+var Hash = Class.create( Enumerable, (function()
+{
+
+    function toQueryPair( key, value )
+    {
+        if( Object.isUndefined( value ) ) return key;
+        return key + '=' + encodeURIComponent( String.interpret( value ) );
+    }
+
+    return {
+        initialize: function( object )
+        {
+            this._object = Object.isHash( object ) ? object.toObject() : Object.clone( object );
+        },
+
+        _each: function( iterator )
+        {
+            for( var key in this._object )
+            {
+                var value = this._object[key], pair = [key, value];
+                pair.key = key;
+                pair.value = value;
+                iterator( pair );
+            }
+        },
+
+        set: function( key, value )
+        {
+            return this._object[key] = value;
+        },
+
+        get: function( key )
+        {
+            // simulating poorly supported hasOwnProperty
+            if( this._object[key] !== Object.prototype[key] )
+                return this._object[key];
+        },
+
+        unset: function( key )
+        {
+            var value = this._object[key];
+            delete this._object[key];
+            return value;
+        },
+
+        toObject: function()
+        {
+            return Object.clone( this._object );
+        },
+
+        keys: function()
+        {
+            return this.pluck( 'key' );
+        },
+
+        values: function()
+        {
+            return this.pluck( 'value' );
+        },
+
+        index: function( value )
+        {
+            var match = this.detect( function( pair )
+            {
+                return pair.value === value;
+            } );
+            return match && match.key;
+        },
+
+        merge: function( object )
+        {
+            return this.clone().update( object );
+        },
+
+        update: function( object )
+        {
+            return new Hash( object ).inject( this, function( result, pair )
+            {
+                result.set( pair.key, pair.value );
+                return result;
+            } );
+        },
+
+        toQueryString: function()
+        {
+            return this.inject( [],
+                    function( results, pair )
+                    {
+                        var key = encodeURIComponent( pair.key ), values = pair.value;
+
+                        if( values && typeof values == 'object' )
+                        {
+                            if( Object.isArray( values ) )
+                                return results.concat( values.map( toQueryPair.curry( key ) ) );
+                        }
+                        else results.push( toQueryPair( key, values ) );
+                        return results;
+                    } ).join( '&' );
+        },
+
+        inspect: function()
+        {
+            return '#<Hash:{' + this.map(
+                    function( pair )
+                    {
+                        return pair.map( Object.inspect ).join( ': ' );
+                    } ).join( ', ' ) + '}>';
+        },
+
+        toJSON: function()
+        {
+            return Object.toJSON( this.toObject() );
+        },
+
+        clone: function()
+        {
+            return new Hash( this );
+        }
+    }
+})() );
 
 Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
 Hash.from = $H;
-var ObjectRange = Class.create(Enumerable, {
-  initialize: function(start, end, exclusive) {
-    this.start = start;
-    this.end = end;
-    this.exclusive = exclusive;
-  },
-
-  _each: function(iterator) {
-    var value = this.start;
-    while (this.include(value)) {
-      iterator(value);
-      value = value.succ();
-    }
-  },
-
-  include: function(value) {
-    if (value < this.start)
-      return false;
-    if (this.exclusive)
-      return value < this.end;
-    return value <= this.end;
-  }
-});
-
-var $R = function(start, end, exclusive) {
-  return new ObjectRange(start, end, exclusive);
+var ObjectRange = Class.create( Enumerable, {
+    initialize: function( start, end, exclusive )
+    {
+        this.start = start;
+        this.end = end;
+        this.exclusive = exclusive;
+    },
+
+    _each: function( iterator )
+    {
+        var value = this.start;
+        while( this.include( value ) )
+        {
+            iterator( value );
+            value = value.succ();
+        }
+    },
+
+    include: function( value )
+    {
+        if( value < this.start )
+            return false;
+        if( this.exclusive )
+            return value < this.end;
+        return value <= this.end;
+    }
+} );
+
+var $R = function( start, end, exclusive )
+{
+    return new ObjectRange( start, end, exclusive );
 };
 
 var Ajax = {
-  getTransport: function() {
-    return Try.these(
-      function() {return new XMLHttpRequest()},
-      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
-    ) || false;
-  },
-
-  activeRequestCount: 0
+    getTransport: function()
+    {
+        return Try.these(
+                function()
+                {
+                    return new XMLHttpRequest()
+                },
+                function()
+                {
+                    return new ActiveXObject( 'Msxml2.XMLHTTP' )
+                },
+                function()
+                {
+                    return new ActiveXObject( 'Microsoft.XMLHTTP' )
+                }
+                ) || false;
+    },
+
+    activeRequestCount: 0
 };
 
 Ajax.Responders = {
-  responders: [],
-
-  _each: function(iterator) {
-    this.responders._each(iterator);
-  },
-
-  register: function(responder) {
-    if (!this.include(responder))
-      this.responders.push(responder);
-  },
-
-  unregister: function(responder) {
-    this.responders = this.responders.without(responder);
-  },
-
-  dispatch: function(callback, request, transport, json) {
-    this.each(function(responder) {
-      if (Object.isFunction(responder[callback])) {
-        try {
-          responder[callback].apply(responder, [request, transport, json]);
-        } catch (e) { }
-      }
-    });
-  }
+    responders: [],
+
+    _each: function( iterator )
+    {
+        this.responders._each( iterator );
+    },
+
+    register: function( responder )
+    {
+        if( !this.include( responder ) )
+            this.responders.push( responder );
+    },
+
+    unregister: function( responder )
+    {
+        this.responders = this.responders.without( responder );
+    },
+
+    dispatch: function( callback, request, transport, json )
+    {
+        this.each( function( responder )
+        {
+            if( Object.isFunction( responder[callback] ) )
+            {
+                try
+                {
+                    responder[callback].apply( responder, [request, transport, json] );
+                }
+                catch ( e )
+                {
+                }
+            }
+        } );
+    }
 };
 
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
-  onCreate:   function() { Ajax.activeRequestCount++ },
-  onComplete: function() { Ajax.activeRequestCount-- }
-});
-
-Ajax.Base = Class.create({
-  initialize: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      encoding:     'UTF-8',
-      parameters:   '',
-      evalJSON:     true,
-      evalJS:       true
+Object.extend( Ajax.Responders, Enumerable );
+
+Ajax.Responders.register( {
+    onCreate:   function()
+    {
+        Ajax.activeRequestCount++
+    },
+    onComplete: function()
+    {
+        Ajax.activeRequestCount--
+    }
+} );
+
+Ajax.Base = Class.create( {
+    initialize: function( options )
+    {
+        this.options = {
+            method:       'post',
+            asynchronous: true,
+            contentType:  'application/x-www-form-urlencoded',
+            encoding:     'UTF-8',
+            parameters:   '',
+            evalJSON:     true,
+            evalJS:       true
+        };
+        Object.extend( this.options, options || { } );
+
+        this.options.method = this.options.method.toLowerCase();
+
+        if( Object.isString( this.options.parameters ) )
+            this.options.parameters = this.options.parameters.toQueryParams();
+        else if( Object.isHash( this.options.parameters ) )
+            this.options.parameters = this.options.parameters.toObject();
+    }
+} );
+
+Ajax.Request = Class.create( Ajax.Base, {
+    _complete: false,
+
+    initialize: function( $super, url, options )
+    {
+        $super( options );
+        this.transport = Ajax.getTransport();
+        this.request( url );
+    },
+
+    request: function( url )
+    {
+        this.url = url;
+        this.method = this.options.method;
+        var params = Object.clone( this.options.parameters );
+
+        if( !['get', 'post'].include( this.method ) )
+        {
+            // simulate other verbs over post
+            params['_method'] = this.method;
+            this.method = 'post';
+        }
+
+        this.parameters = params;
+
+        if( params = Object.toQueryString( params ) )
+        {
+            // when GET, append parameters to URL
+            if( this.method == 'get' )
+                this.url += (this.url.include( '?' ) ? '&' : '?') + params;
+            else if( /Konqueror|Safari|KHTML/.test( navigator.userAgent ) )
+                params += '&_=';
+        }
+
+        try
+        {
+            var response = new Ajax.Response( this );
+            if( this.options.onCreate ) this.options.onCreate( response );
+            Ajax.Responders.dispatch( 'onCreate', this, response );
+
+            this.transport.open( this.method.toUpperCase(), this.url,
+                    this.options.asynchronous );
+
+            if( this.options.asynchronous ) this.respondToReadyState.bind( this ).defer( 1 );
+
+            this.transport.onreadystatechange = this.onStateChange.bind( this );
+            this.setRequestHeaders();
+
+            this.body = this.method == 'post' ? (this.options.postBody || params) : null;
+            this.transport.send( this.body );
+
+            /* Force Firefox to handle ready state 4 for synchronous requests */
+            if( !this.options.asynchronous && this.transport.overrideMimeType )
+                this.onStateChange();
+
+        }
+        catch ( e )
+        {
+            this.dispatchException( e );
+        }
+    },
+
+    onStateChange: function()
+    {
+        var readyState = this.transport.readyState;
+        if( readyState > 1 && !((readyState == 4) && this._complete) )
+            this.respondToReadyState( this.transport.readyState );
+    },
+
+    setRequestHeaders: function()
+    {
+        var headers = {
+            'X-Requested-With': 'XMLHttpRequest',
+            'X-Prototype-Version': Prototype.Version,
+            'Accept': 'text/javascript, text/html, application/com.medias.xml, text/com.medias.xml, */*'
+        };
+
+        if( this.method == 'post' )
+        {
+            headers['Content-type'] = this.options.contentType +
+                    (this.options.encoding ? '; charset=' + this.options.encoding : '');
+
+            /* Force "Connection: close" for older Mozilla browsers to work
+             * around a bug where XMLHttpRequest sends an incorrect
+             * Content-length header. See Mozilla Bugzilla #246651.
+             */
+            if( this.transport.overrideMimeType &&
+                    (navigator.userAgent.match( /Gecko\/(\d{4})/ ) || [0,2005])[1] < 2005 )
+                headers['Connection'] = 'close';
+        }
+
+        // user-defined headers
+        if( typeof this.options.requestHeaders == 'object' )
+        {
+            var extras = this.options.requestHeaders;
+
+            if( Object.isFunction( extras.push ) )
+                for( var i = 0, length = extras.length; i < length; i += 2 )
+                    headers[extras[i]] = extras[i + 1];
+            else
+                $H( extras ).each( function( pair )
+                {
+                    headers[pair.key] = pair.value
+                } );
+        }
+
+        for( var name in headers )
+            this.transport.setRequestHeader( name, headers[name] );
+    },
+
+    success: function()
+    {
+        var status = this.getStatus();
+        return !status || (status >= 200 && status < 300);
+    },
+
+    getStatus: function()
+    {
+        try
+        {
+            return this.transport.status || 0;
+        }
+        catch ( e )
+        {
+            return 0
+        }
+    },
+
+    respondToReadyState: function( readyState )
+    {
+        var state = Ajax.Request.Events[readyState], response = new Ajax.Response( this );
+
+        if( state == 'Complete' )
+        {
+            try
+            {
+                this._complete = true;
+                (this.options['on' + response.status]
+                        || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+                        || Prototype.emptyFunction)( response, response.headerJSON );
+            }
+            catch ( e )
+            {
+                this.dispatchException( e );
+            }
+
+            var contentType = response.getHeader( 'Content-type' );
+            if( this.options.evalJS == 'force'
+                    || (this.options.evalJS && this.isSameOrigin() && contentType
+                    && contentType.match( /^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i )) )
+                this.evalResponse();
+        }
+
+        try
+        {
+            (this.options['on' + state] || Prototype.emptyFunction)( response, response.headerJSON );
+            Ajax.Responders.dispatch( 'on' + state, this, response, response.headerJSON );
+        }
+        catch ( e )
+        {
+            this.dispatchException( e );
+        }
+
+        if( state == 'Complete' )
+        {
+            // avoid memory leak in MSIE: clean up
+            this.transport.onreadystatechange = Prototype.emptyFunction;
+        }
+    },
+
+    isSameOrigin: function()
+    {
+        var m = this.url.match( /^\s*https?:\/\/[^\/]*/ );
+        return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate( {
+            protocol: location.protocol,
+            domain: document.domain,
+            port: location.port ? ':' + location.port : ''
+        } ));
+    },
+
+    getHeader: function( name )
+    {
+        try
+        {
+            return this.transport.getResponseHeader( name ) || null;
+        }
+        catch ( e )
+        {
+            return null
+        }
+    },
+
+    evalResponse: function()
+    {
+        try
+        {
+            return (this.transport.responseText || '').unfilterJSON().evalJSON();
+        }
+        catch ( e )
+        {
+            this.dispatchException( e );
+        }
+    },
+
+    dispatchException: function( exception )
+    {
+        (this.options.onException || Prototype.emptyFunction)( this, exception );
+        Ajax.Responders.dispatch( 'onException', this, exception );
+    }
+} );
+
+Ajax.Request.Events =
+        ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+
+Ajax.Response = Class.create( {
+    initialize: function( request )
+    {
+        this.request = request;
+        var transport = this.transport = request.transport,
+                readyState = this.readyState = transport.readyState;
+
+        if( (readyState > 2 && !Prototype.Browser.IE) || readyState == 4 )
+        {
+            this.status = this.getStatus();
+            this.statusText = this.getStatusText();
+            this.responseText = String.interpret( transport.responseText );
+            this.headerJSON = this._getHeaderJSON();
+        }
+
+        if( readyState == 4 )
+        {
+            var xml = transport.responseXML;
+            this.responseXML = Object.isUndefined( xml ) ? null : xml;
+            this.responseJSON = this._getResponseJSON();
+        }
+    },
+
+    status:      0,
+    statusText: '',
+
+    getStatus: Ajax.Request.prototype.getStatus,
+
+    getStatusText: function()
+    {
+        try
+        {
+            return this.transport.statusText || '';
+        }
+        catch ( e )
+        {
+            return ''
+        }
+    },
+
+    getHeader: Ajax.Request.prototype.getHeader,
+
+    getAllHeaders: function()
+    {
+        try
+        {
+            return this.getAllResponseHeaders();
+        }
+        catch ( e )
+        {
+            return null
+        }
+    },
+
+    getResponseHeader: function( name )
+    {
+        return this.transport.getResponseHeader( name );
+    },
+
+    getAllResponseHeaders: function()
+    {
+        return this.transport.getAllResponseHeaders();
+    },
+
+    _getHeaderJSON: function()
+    {
+        var json = this.getHeader( 'X-JSON' );
+        if( !json ) return null;
+        json = decodeURIComponent( escape( json ) );
+        try
+        {
+            return json.evalJSON( this.request.options.sanitizeJSON ||
+                    !this.request.isSameOrigin() );
+        }
+        catch ( e )
+        {
+            this.request.dispatchException( e );
+        }
+    },
+
+    _getResponseJSON: function()
+    {
+        var options = this.request.options;
+        if( !options.evalJSON || (options.evalJSON != 'force' &&
+                !(this.getHeader( 'Content-type' ) || '').include( 'application/json' )) ||
+                this.responseText.blank() )
+            return null;
+        try
+        {
+            return this.responseText.evalJSON( options.sanitizeJSON ||
+                    !this.request.isSameOrigin() );
+        }
+        catch ( e )
+        {
+            this.request.dispatchException( e );
+        }
+    }
+} );
+
+Ajax.Updater = Class.create( Ajax.Request, {
+    initialize: function( $super, container, url, options )
+    {
+        this.container = {
+            success: (container.success || container),
+            failure: (container.failure || (container.success ? null : container))
+        };
+
+        options = Object.clone( options );
+        var onComplete = options.onComplete;
+        options.onComplete = (function( response, json )
+        {
+            this.updateContent( response.responseText );
+            if( Object.isFunction( onComplete ) ) onComplete( response, json );
+        }).bind( this );
+
+        $super( url, options );
+    },
+
+    updateContent: function( responseText )
+    {
+        var receiver = this.container[this.success() ? 'success' : 'failure'],
+                options = this.options;
+
+        if( !options.evalScripts ) responseText = responseText.stripScripts();
+
+        if( receiver = $( receiver ) )
+        {
+            if( options.insertion )
+            {
+                if( Object.isString( options.insertion ) )
+                {
+                    var insertion = { };
+                    insertion[options.insertion] = responseText;
+                    receiver.insert( insertion );
+                }
+                else options.insertion( receiver, responseText );
+            }
+            else receiver.update( responseText );
+        }
+    }
+} );
+
+Ajax.PeriodicalUpdater = Class.create( Ajax.Base, {
+    initialize: function( $super, container, url, options )
+    {
+        $super( options );
+        this.onComplete = this.options.onComplete;
+
+        this.frequency = (this.options.frequency || 2);
+        this.decay = (this.options.decay || 1);
+
+        this.updater = { };
+        this.container = container;
+        this.url = url;
+
+        this.start();
+    },
+
+    start: function()
+    {
+        this.options.onComplete = this.updateComplete.bind( this );
+        this.onTimerEvent();
+    },
+
+    stop: function()
+    {
+        this.updater.options.onComplete = undefined;
+        clearTimeout( this.timer );
+        (this.onComplete || Prototype.emptyFunction).apply( this, arguments );
+    },
+
+    updateComplete: function( response )
+    {
+        if( this.options.decay )
+        {
+            this.decay = (response.responseText == this.lastText ?
+                    this.decay * this.options.decay : 1);
+
+            this.lastText = response.responseText;
+        }
+        this.timer = this.onTimerEvent.bind( this ).delay( this.decay * this.frequency );
+    },
+
+    onTimerEvent: function()
+    {
+        this.updater = new Ajax.Updater( this.container, this.url, this.options );
+    }
+} );
+function $( element )
+{
+    if( arguments.length > 1 )
+    {
+        for( var i = 0, elements = [], length = arguments.length; i < length; i++ )
+            elements.push( $( arguments[i] ) );
+        return elements;
+    }
+    if( Object.isString( element ) )
+        element = document.getElementById( element );
+    return Element.extend( element );
+}
+
+if( Prototype.BrowserFeatures.XPath )
+{
+    document._getElementsByXPath = function( expression, parentElement )
+    {
+        var results = [];
+        var query = document.evaluate( expression, $( parentElement ) || document,
+                null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null );
+        for( var i = 0, length = query.snapshotLength; i < length; i++ )
+            results.push( Element.extend( query.snapshotItem( i ) ) );
+        return results;
     };
-    Object.extend(this.options, options || { });
-
-    this.options.method = this.options.method.toLowerCase();
-
-    if (Object.isString(this.options.parameters))
-      this.options.parameters = this.options.parameters.toQueryParams();
-    else if (Object.isHash(this.options.parameters))
-      this.options.parameters = this.options.parameters.toObject();
-  }
-});
-
-Ajax.Request = Class.create(Ajax.Base, {
-  _complete: false,
-
-  initialize: function($super, url, options) {
-    $super(options);
-    this.transport = Ajax.getTransport();
-    this.request(url);
-  },
-
-  request: function(url) {
-    this.url = url;
-    this.method = this.options.method;
-    var params = Object.clone(this.options.parameters);
-
-    if (!['get', 'post'].include(this.method)) {
-      // simulate other verbs over post
-      params['_method'] = this.method;
-      this.method = 'post';
-    }
-
-    this.parameters = params;
-
-    if (params = Object.toQueryString(params)) {
-      // when GET, append parameters to URL
-      if (this.method == 'get')
-        this.url += (this.url.include('?') ? '&' : '?') + params;
-      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
-        params += '&_=';
-    }
-
-    try {
-      var response = new Ajax.Response(this);
-      if (this.options.onCreate) this.options.onCreate(response);
-      Ajax.Responders.dispatch('onCreate', this, response);
-
-      this.transport.open(this.method.toUpperCase(), this.url,
-        this.options.asynchronous);
-
-      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
-
-      this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
-
-      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
-      this.transport.send(this.body);
-
-      /* Force Firefox to handle ready state 4 for synchronous requests */
-      if (!this.options.asynchronous && this.transport.overrideMimeType)
-        this.onStateChange();
-
-    }
-    catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  onStateChange: function() {
-    var readyState = this.transport.readyState;
-    if (readyState > 1 && !((readyState == 4) && this._complete))
-      this.respondToReadyState(this.transport.readyState);
-  },
-
-  setRequestHeaders: function() {
-    var headers = {
-      'X-Requested-With': 'XMLHttpRequest',
-      'X-Prototype-Version': Prototype.Version,
-      'Accept': 'text/javascript, text/html, application/com.medias.xml, text/com.medias.xml, */*'
+}
+
+/*--------------------------------------------------------------------------*/
+
+if( !window.Node ) var Node = { };
+
+if( !Node.ELEMENT_NODE )
+{
+    // DOM level 2 ECMAScript Language Binding
+    Object.extend( Node, {
+        ELEMENT_NODE: 1,
+        ATTRIBUTE_NODE: 2,
+        TEXT_NODE: 3,
+        CDATA_SECTION_NODE: 4,
+        ENTITY_REFERENCE_NODE: 5,
+        ENTITY_NODE: 6,
+        PROCESSING_INSTRUCTION_NODE: 7,
+        COMMENT_NODE: 8,
+        DOCUMENT_NODE: 9,
+        DOCUMENT_TYPE_NODE: 10,
+        DOCUMENT_FRAGMENT_NODE: 11,
+        NOTATION_NODE: 12
+    } );
+}
+
+(function()
+{
+    var element = this.Element;
+    this.Element = function( tagName, attributes )
+    {
+        attributes = attributes || { };
+        tagName = tagName.toLowerCase();
+        var cache = Element.cache;
+        if( Prototype.Browser.IE && attributes.name )
+        {
+            tagName = '<' + tagName + ' name="' + attributes.name + '">';
+            delete attributes.name;
+            return Element.writeAttribute( document.createElement( tagName ), attributes );
+        }
+        if( !cache[tagName] ) cache[tagName] = Element.extend( document.createElement( tagName ) );
+        return Element.writeAttribute( cache[tagName].cloneNode( false ), attributes );
     };
-
-    if (this.method == 'post') {
-      headers['Content-type'] = this.options.contentType +
-        (this.options.encoding ? '; charset=' + this.options.encoding : '');
-
-      /* Force "Connection: close" for older Mozilla browsers to work
-       * around a bug where XMLHttpRequest sends an incorrect
-       * Content-length header. See Mozilla Bugzilla #246651.
-       */
-      if (this.transport.overrideMimeType &&
-          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
-            headers['Connection'] = 'close';
-    }
-
-    // user-defined headers
-    if (typeof this.options.requestHeaders == 'object') {
-      var extras = this.options.requestHeaders;
-
-      if (Object.isFunction(extras.push))
-        for (var i = 0, length = extras.length; i < length; i += 2)
-          headers[extras[i]] = extras[i+1];
-      else
-        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
-    }
-
-    for (var name in headers)
-      this.transport.setRequestHeader(name, headers[name]);
-  },
-
-  success: function() {
-    var status = this.getStatus();
-    return !status || (status >= 200 && status < 300);
-  },
-
-  getStatus: function() {
-    try {
-      return this.transport.status || 0;
-    } catch (e) { return 0 }
-  },
-
-  respondToReadyState: function(readyState) {
-    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
-
-    if (state == 'Complete') {
-      try {
-        this._complete = true;
-        (this.options['on' + response.status]
-         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(response, response.headerJSON);
-      } catch (e) {
-        this.dispatchException(e);
-      }
-
-      var contentType = response.getHeader('Content-type');
-      if (this.options.evalJS == 'force'
-          || (this.options.evalJS && this.isSameOrigin() && contentType
-          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
-        this.evalResponse();
-    }
-
-    try {
-      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
-      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
-    } catch (e) {
-      this.dispatchException(e);
-    }
-
-    if (state == 'Complete') {
-      // avoid memory leak in MSIE: clean up
-      this.transport.onreadystatechange = Prototype.emptyFunction;
-    }
-  },
-
-  isSameOrigin: function() {
-    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
-    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
-      protocol: location.protocol,
-      domain: document.domain,
-      port: location.port ? ':' + location.port : ''
-    }));
-  },
-
-  getHeader: function(name) {
-    try {
-      return this.transport.getResponseHeader(name) || null;
-    } catch (e) { return null }
-  },
-
-  evalResponse: function() {
-    try {
-      return (this.transport.responseText || '').unfilterJSON().evalJSON();
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  dispatchException: function(exception) {
-    (this.options.onException || Prototype.emptyFunction)(this, exception);
-    Ajax.Responders.dispatch('onException', this, exception);
-  }
-});
-
-Ajax.Request.Events =
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Response = Class.create({
-  initialize: function(request){
-    this.request = request;
-    var transport  = this.transport  = request.transport,
-        readyState = this.readyState = transport.readyState;
-
-    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
-      this.status       = this.getStatus();
-      this.statusText   = this.getStatusText();
-      this.responseText = String.interpret(transport.responseText);
-      this.headerJSON   = this._getHeaderJSON();
-    }
-
-    if(readyState == 4) {
-      var xml = transport.responseXML;
-      this.responseXML  = Object.isUndefined(xml) ? null : xml;
-      this.responseJSON = this._getResponseJSON();
-    }
-  },
-
-  status:      0,
-  statusText: '',
-
-  getStatus: Ajax.Request.prototype.getStatus,
-
-  getStatusText: function() {
-    try {
-      return this.transport.statusText || '';
-    } catch (e) { return '' }
-  },
-
-  getHeader: Ajax.Request.prototype.getHeader,
-
-  getAllHeaders: function() {
-    try {
-      return this.getAllResponseHeaders();
-    } catch (e) { return null }
-  },
-
-  getResponseHeader: function(name) {
-    return this.transport.getResponseHeader(name);
-  },
-
-  getAllResponseHeaders: function() {
-    return this.transport.getAllResponseHeaders();
-  },
-
-  _getHeaderJSON: function() {
-    var json = this.getHeader('X-JSON');
-    if (!json) return null;
-    json = decodeURIComponent(escape(json));
-    try {
-      return json.evalJSON(this.request.options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  },
-
-  _getResponseJSON: function() {
-    var options = this.request.options;
-    if (!options.evalJSON || (options.evalJSON != 'force' &&
-      !(this.getHeader('Content-type') || '').include('application/json')) ||
-        this.responseText.blank())
-          return null;
-    try {
-      return this.responseText.evalJSON(options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  }
-});
-
-Ajax.Updater = Class.create(Ajax.Request, {
-  initialize: function($super, container, url, options) {
-    this.container = {
-      success: (container.success || container),
-      failure: (container.failure || (container.success ? null : container))
+    Object.extend( this.Element, element || { } );
+    if( element ) this.Element.prototype = element.prototype;
+}).call( window );
+
+Element.cache = { };
+
+Element.Methods = {
+    visible: function( element )
+    {
+        return $( element ).style.display != 'none';
+    },
+
+    toggle: function( element )
+    {
+        element = $( element );
+        Element[Element.visible( element ) ? 'hide' : 'show']( element );
+        return element;
+    },
+
+    hide: function( element )
+    {
+        element = $( element );
+        element.style.display = 'none';
+        return element;
+    },
+
+    show: function( element )
+    {
+        element = $( element );
+        element.style.display = '';
+        return element;
+    },
+
+    remove: function( element )
+    {
+        element = $( element );
+        element.parentNode.removeChild( element );
+        return element;
+    },
+
+    update: function( element, content )
+    {
+        element = $( element );
+        if( content && content.toElement ) content = content.toElement();
+        if( Object.isElement( content ) ) return element.update().insert( content );
+        content = Object.toHTML( content );
+        element.innerHTML = content.stripScripts();
+        content.evalScripts.bind( content ).defer();
+        return element;
+    },
+
+    replace: function( element, content )
+    {
+        element = $( element );
+        if( content && content.toElement ) content = content.toElement();
+        else if( !Object.isElement( content ) )
+        {
+            content = Object.toHTML( content );
+            var range = element.ownerDocument.createRange();
+            range.selectNode( element );
+            content.evalScripts.bind( content ).defer();
+            content = range.createContextualFragment( content.stripScripts() );
+        }
+        element.parentNode.replaceChild( content, element );
+        return element;
+    },
+
+    insert: function( element, insertions )
+    {
+        element = $( element );
+
+        if( Object.isString( insertions ) || Object.isNumber( insertions ) ||
+                Object.isElement( insertions ) || (insertions && (insertions.toElement || insertions.toHTML)) )
+            insertions = {bottom:insertions};
+
+        var content, insert, tagName, childNodes;
+
+        for( var position in insertions )
+        {
+            content = insertions[position];
+            position = position.toLowerCase();
+            insert = Element._insertionTranslations[position];
+
+            if( content && content.toElement ) content = content.toElement();
+            if( Object.isElement( content ) )
+            {
+                insert( element, content );
+                continue;
+            }
+
+            content = Object.toHTML( content );
+
+            tagName = ((position == 'before' || position == 'after')
+                    ? element.parentNode : element).tagName.toUpperCase();
+
+            childNodes = Element._getContentFromAnonymousElement( tagName, content.stripScripts() );
+
+            if( position == 'top' || position == 'after' ) childNodes.reverse();
+            childNodes.each( insert.curry( element ) );
+
+            content.evalScripts.bind( content ).defer();
+        }
+
+        return element;
+    },
+
+    wrap: function( element, wrapper, attributes )
+    {
+        element = $( element );
+        if( Object.isElement( wrapper ) )
+            $( wrapper ).writeAttribute( attributes || { } );
+        else if( Object.isString( wrapper ) ) wrapper = new Element( wrapper, attributes );
+        else wrapper = new Element( 'div', wrapper );
+        if( element.parentNode )
+            element.parentNode.replaceChild( wrapper, element );
+        wrapper.appendChild( element );
+        return wrapper;
+    },
+
+    inspect: function( element )
+    {
+        element = $( element );
+        var result = '<' + element.tagName.toLowerCase();
+        $H( {'id': 'id', 'className': 'class'} ).each( function( pair )
+        {
+            var property = pair.first(), attribute = pair.last();
+            var value = (element[property] || '').toString();
+            if( value ) result += ' ' + attribute + '=' + value.inspect( true );
+        } );
+        return result + '>';
+    },
+
+    recursivelyCollect: function( element, property )
+    {
+        element = $( element );
+        var elements = [];
+        while( element = element[property] )
+            if( element.nodeType == 1 )
+                elements.push( Element.extend( element ) );
+        return elements;
+    },
+
+    ancestors: function( element )
+    {
+        return $( element ).recursivelyCollect( 'parentNode' );
+    },
+
+    descendants: function( element )
+    {
+        return $( element ).select( "*" );
+    },
+
+    firstDescendant: function( element )
+    {
+        element = $( element ).firstChild;
+        while( element && element.nodeType != 1 ) element = element.nextSibling;
+        return $( element );
+    },
+
+    immediateDescendants: function( element )
+    {
+        if( !(element = $( element ).firstChild) ) return [];
+        while( element && element.nodeType != 1 ) element = element.nextSibling;
+        if( element ) return [element].concat( $( element ).nextSiblings() );
+        return [];
+    },
+
+    previousSiblings: function( element )
+    {
+        return $( element ).recursivelyCollect( 'previousSibling' );
+    },
+
+    nextSiblings: function( element )
+    {
+        return $( element ).recursivelyCollect( 'nextSibling' );
+    },
+
+    siblings: function( element )
+    {
+        element = $( element );
+        return element.previousSiblings().reverse().concat( element.nextSiblings() );
+    },
+
+    match: function( element, selector )
+    {
+        if( Object.isString( selector ) )
+            selector = new Selector( selector );
+        return selector.match( $( element ) );
+    },
+
+    up: function( element, expression, index )
+    {
+        element = $( element );
+        if( arguments.length == 1 ) return $( element.parentNode );
+        var ancestors = element.ancestors();
+        return Object.isNumber( expression ) ? ancestors[expression] :
+                Selector.findElement( ancestors, expression, index );
+    },
+
+    down: function( element, expression, index )
+    {
+        element = $( element );
+        if( arguments.length == 1 ) return element.firstDescendant();
+        return Object.isNumber( expression ) ? element.descendants()[expression] :
+                Element.select( element, expression )[index || 0];
+    },
+
+    previous: function( element, expression, index )
+    {
+        element = $( element );
+        if( arguments.length == 1 ) return $( Selector.handlers.previousElementSibling( element ) );
+        var previousSiblings = element.previousSiblings();
+        return Object.isNumber( expression ) ? previousSiblings[expression] :
+                Selector.findElement( previousSiblings, expression, index );
+    },
+
+    next: function( element, expression, index )
+    {
+        element = $( element );
+        if( arguments.length == 1 ) return $( Selector.handlers.nextElementSibling( element ) );
+        var nextSiblings = element.nextSiblings();
+        return Object.isNumber( expression ) ? nextSiblings[expression] :
+                Selector.findElement( nextSiblings, expression, index );
+    },
+
+    select: function()
+    {
+        var args = $A( arguments ), element = $( args.shift() );
+        return Selector.findChildElements( element, args );
+    },
+
+    adjacent: function()
+    {
+        var args = $A( arguments ), element = $( args.shift() );
+        return Selector.findChildElements( element.parentNode, args ).without( element );
+    },
+
+    identify: function( element )
+    {
+        element = $( element );
+        var id = element.readAttribute( 'id' ), self = arguments.callee;
+        if( id ) return id;
+        do {
+            id = 'anonymous_element_' + self.counter++
+        }
+        while( $( id ) );
+        element.writeAttribute( 'id', id );
+        return id;
+    },
+
+    readAttribute: function( element, name )
+    {
+        element = $( element );
+        if( Prototype.Browser.IE )
+        {
+            var t = Element._attributeTranslations.read;
+            if( t.values[name] ) return t.values[name]( element, name );
+            if( t.names[name] ) name = t.names[name];
+            if( name.include( ':' ) )
+            {
+                return (!element.attributes || !element.attributes[name]) ? null :
+                        element.attributes[name].value;
+            }
+        }
+        return element.getAttribute( name );
+    },
+
+    writeAttribute: function( element, name, value )
+    {
+        element = $( element );
+        var attributes = { }, t = Element._attributeTranslations.write;
+
+        if( typeof name == 'object' ) attributes = name;
+        else attributes[name] = Object.isUndefined( value ) ? true : value;
+
+        for( var attr in attributes )
+        {
+            name = t.names[attr] || attr;
+            value = attributes[attr];
+            if( t.values[attr] ) name = t.values[attr]( element, value );
+            if( value === false || value === null )
+                element.removeAttribute( name );
+            else if( value === true )
+                element.setAttribute( name, name );
+            else element.setAttribute( name, value );
+        }
+        return element;
+    },
+
+    getHeight: function( element )
+    {
+        return $( element ).getDimensions().height;
+    },
+
+    getWidth: function( element )
+    {
+        return $( element ).getDimensions().width;
+    },
+
+    classNames: function( element )
+    {
+        return new Element.ClassNames( element );
+    },
+
+    hasClassName: function( element, className )
+    {
+        if( !(element = $( element )) ) return;
+        var elementClassName = element.className;
+        return (elementClassName.length > 0 && (elementClassName == className ||
+                new RegExp( "(^|\\s)" + className + "(\\s|$)" ).test( elementClassName )));
+    },
+
+    addClassName: function( element, className )
+    {
+        if( !(element = $( element )) ) return;
+        if( !element.hasClassName( className ) )
+            element.className += (element.className ? ' ' : '') + className;
+        return element;
+    },
+
+    removeClassName: function( element, className )
+    {
+        if( !(element = $( element )) ) return;
+        element.className = element.className.replace(
+                new RegExp( "(^|\\s+)" + className + "(\\s+|$)" ), ' ' ).strip();
+        return element;
+    },
+
+    toggleClassName: function( element, className )
+    {
+        if( !(element = $( element )) ) return;
+        return element[element.hasClassName( className ) ?
+                'removeClassName' : 'addClassName']( className );
+    },
+
+    // removes whitespace-only text node children
+    cleanWhitespace: function( element )
+    {
+        element = $( element );
+        var node = element.firstChild;
+        while( node )
+        {
+            var nextNode = node.nextSibling;
+            if( node.nodeType == 3 && !/\S/.test( node.nodeValue ) )
+                element.removeChild( node );
+            node = nextNode;
+        }
+        return element;
+    },
+
+    empty: function( element )
+    {
+        return $( element ).innerHTML.blank();
+    },
+
+    descendantOf: function( element, ancestor )
+    {
+        element = $( element ),ancestor = $( ancestor );
+
+        if( element.compareDocumentPosition )
+            return (element.compareDocumentPosition( ancestor ) & 8) === 8;
+
+        if( ancestor.contains )
+            return ancestor.contains( element ) && ancestor !== element;
+
+        while( element = element.parentNode )
+            if( element == ancestor ) return true;
+
+        return false;
+    },
+
+    scrollTo: function( element )
+    {
+        element = $( element );
+        var pos = element.cumulativeOffset();
+        window.scrollTo( pos[0], pos[1] );
+        return element;
+    },
+
+    getStyle: function( element, style )
+    {
+        element = $( element );
+        style = style == 'float' ? 'cssFloat' : style.camelize();
+        var value = element.style[style];
+        if( !value || value == 'auto' )
+        {
+            var css = document.defaultView.getComputedStyle( element, null );
+            value = css ? css[style] : null;
+        }
+        if( style == 'opacity' ) return value ? parseFloat( value ) : 1.0;
+        return value == 'auto' ? null : value;
+    },
+
+    getOpacity: function( element )
+    {
+        return $( element ).getStyle( 'opacity' );
+    },
+
+    setStyle: function( element, styles )
+    {
+        element = $( element );
+        var elementStyle = element.style, match;
+        if( Object.isString( styles ) )
+        {
+            element.style.cssText += ';' + styles;
+            return styles.include( 'opacity' ) ?
+                    element.setOpacity( styles.match( /opacity:\s*(\d?\.?\d*)/ )[1] ) : element;
+        }
+        for( var property in styles )
+            if( property == 'opacity' ) element.setOpacity( styles[property] );
+            else
+                elementStyle[(property == 'float' || property == 'cssFloat') ?
+                        (Object.isUndefined( elementStyle.styleFloat ) ? 'cssFloat' : 'styleFloat') :
+                        property] = styles[property];
+
+        return element;
+    },
+
+    setOpacity: function( element, value )
+    {
+        element = $( element );
+        element.style.opacity = (value == 1 || value === '') ? '' :
+                (value < 0.00001) ? 0 : value;
+        return element;
+    },
+
+    getDimensions: function( element )
+    {
+        element = $( element );
+        var display = element.getStyle( 'display' );
+        if( display != 'none' && display != null ) // Safari bug
+            return {width: element.offsetWidth, height: element.offsetHeight};
+
+        // All *Width and *Height properties give 0 on elements with display none,
+        // so enable the element temporarily
+        var els = element.style;
+        var originalVisibility = els.visibility;
+        var originalPosition = els.position;
+        var originalDisplay = els.display;
+        els.visibility = 'hidden';
+        els.position = 'absolute';
+        els.display = 'block';
+        var originalWidth = element.clientWidth;
+        var originalHeight = element.clientHeight;
+        els.display = originalDisplay;
+        els.position = originalPosition;
+        els.visibility = originalVisibility;
+        return {width: originalWidth, height: originalHeight};
+    },
+
+    makePositioned: function( element )
+    {
+        element = $( element );
+        var pos = Element.getStyle( element, 'position' );
+        if( pos == 'static' || !pos )
+        {
+            element._madePositioned = true;
+            element.style.position = 'relative';
+            // Opera returns the offset relative to the positioning context, when an
+            // element is position relative but top and left have not been defined
+            if( Prototype.Browser.Opera )
+            {
+                element.style.top = 0;
+                element.style.left = 0;
+            }
+        }
+        return element;
+    },
+
+    undoPositioned: function( element )
+    {
+        element = $( element );
+        if( element._madePositioned )
+        {
+            element._madePositioned = undefined;
+            element.style.position =
+                    element.style.top =
+                            element.style.left =
+                                    element.style.bottom =
+                                            element.style.right = '';
+        }
+        return element;
+    },
+
+    makeClipping: function( element )
+    {
+        element = $( element );
+        if( element._overflow ) return element;
+        element._overflow = Element.getStyle( element, 'overflow' ) || 'auto';
+        if( element._overflow !== 'hidden' )
+            element.style.overflow = 'hidden';
+        return element;
+    },
+
+    undoClipping: function( element )
+    {
+        element = $( element );
+        if( !element._overflow ) return element;
+        element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
+        element._overflow = null;
+        return element;
+    },
+
+    cumulativeOffset: function( element )
+    {
+        var valueT = 0, valueL = 0;
+        do {
+            valueT += element.offsetTop || 0;
+            valueL += element.offsetLeft || 0;
+            element = element.offsetParent;
+        }
+        while( element );
+        return Element._returnOffset( valueL, valueT );
+    },
+
+    positionedOffset: function( element )
+    {
+        var valueT = 0, valueL = 0;
+        do {
+            valueT += element.offsetTop || 0;
+            valueL += element.offsetLeft || 0;
+            element = element.offsetParent;
+            if( element )
+            {
+                if( element.tagName.toUpperCase() == 'BODY' ) break;
+                var p = Element.getStyle( element, 'position' );
+                if( p !== 'static' ) break;
+            }
+        }
+        while( element );
+        return Element._returnOffset( valueL, valueT );
+    },
+
+    absolutize: function( element )
+    {
+        element = $( element );
+        if( element.getStyle( 'position' ) == 'absolute' ) return element;
+        // Position.prepare(); // To be done manually by Scripty when it needs it.
+
+        var offsets = element.positionedOffset();
+        var top = offsets[1];
+        var left = offsets[0];
+        var width = element.clientWidth;
+        var height = element.clientHeight;
+
+        element._originalLeft = left - parseFloat( element.style.left || 0 );
+        element._originalTop = top - parseFloat( element.style.top || 0 );
+        element._originalWidth = element.style.width;
+        element._originalHeight = element.style.height;
+
+        element.style.position = 'absolute';
+        element.style.top = top + 'px';
+        element.style.left = left + 'px';
+        element.style.width = width + 'px';
+        element.style.height = height + 'px';
+        return element;
+    },
+
+    relativize: function( element )
+    {
+        element = $( element );
+        if( element.getStyle( 'position' ) == 'relative' ) return element;
+        // Position.prepare(); // To be done manually by Scripty when it needs it.
+
+        element.style.position = 'relative';
+        var top = parseFloat( element.style.top || 0 ) - (element._originalTop || 0);
+        var left = parseFloat( element.style.left || 0 ) - (element._originalLeft || 0);
+
+        element.style.top = top + 'px';
+        element.style.left = left + 'px';
+        element.style.height = element._originalHeight;
+        element.style.width = element._originalWidth;
+        return element;
+    },
+
+    cumulativeScrollOffset: function( element )
+    {
+        var valueT = 0, valueL = 0;
+        do {
+            valueT += element.scrollTop || 0;
+            valueL += element.scrollLeft || 0;
+            element = element.parentNode;
+        }
+        while( element );
+        return Element._returnOffset( valueL, valueT );
+    },
+
+    getOffsetParent: function( element )
+    {
+        if( element.offsetParent ) return $( element.offsetParent );
+        if( element == document.body ) return $( element );
+
+        while( (element = element.parentNode) && element != document.body )
+            if( Element.getStyle( element, 'position' ) != 'static' )
+                return $( element );
+
+        return $( document.body );
+    },
+
+    viewportOffset: function( forElement )
+    {
+        var valueT = 0, valueL = 0;
+
+        var element = forElement;
+        do {
+            valueT += element.offsetTop || 0;
+            valueL += element.offsetLeft || 0;
+
+            // Safari fix
+            if( element.offsetParent == document.body &&
+                    Element.getStyle( element, 'position' ) == 'absolute' ) break;
+
+        }
+        while( element = element.offsetParent );
+
+        element = forElement;
+        do {
+            if( !Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY')) )
+            {
+                valueT -= element.scrollTop || 0;
+                valueL -= element.scrollLeft || 0;
+            }
+        }
+        while( element = element.parentNode );
+
+        return Element._returnOffset( valueL, valueT );
+    },
+
+    clonePosition: function( element, source )
+    {
+        var options = Object.extend( {
+            setLeft:    true,
+            setTop:     true,
+            setWidth:   true,
+            setHeight:  true,
+            offsetTop:  0,
+            offsetLeft: 0
+        }, arguments[2] || { } );
+
+        // find page position of source
+        source = $( source );
+        var p = source.viewportOffset();
+
+        // find coordinate system to use
+        element = $( element );
+        var delta = [0, 0];
+        var parent = null;
+        // delta [0,0] will do fine with position: fixed elements,
+        // position:absolute needs offsetParent deltas
+        if( Element.getStyle( element, 'position' ) == 'absolute' )
+        {
+            parent = element.getOffsetParent();
+            delta = parent.viewportOffset();
+        }
+
+        // correct by body offsets (fixes Safari)
+        if( parent == document.body )
+        {
+            delta[0] -= document.body.offsetLeft;
+            delta[1] -= document.body.offsetTop;
+        }
+
+        // set position
+        if( options.setLeft )   element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
+        if( options.setTop )    element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
+        if( options.setWidth )  element.style.width = source.offsetWidth + 'px';
+        if( options.setHeight ) element.style.height = source.offsetHeight + 'px';
+        return element;
+    }
+};
+
+Element.Methods.identify.counter = 1;
+
+Object.extend( Element.Methods, {
+    getElementsBySelector: Element.Methods.select,
+    childElements: Element.Methods.immediateDescendants
+} );
+
+Element._attributeTranslations = {
+    write: {
+        names: {
+            className: 'class',
+            htmlFor:   'for'
+        },
+        values: { }
+    }
+};
+
+if( Prototype.Browser.Opera )
+{
+    Element.Methods.getStyle = Element.Methods.getStyle.wrap(
+            function( proceed, element, style )
+            {
+                switch( style )
+                {
+                    case 'left': case 'top': case 'right': case 'bottom':
+                    if( proceed( element, 'position' ) === 'static' ) return null;
+                    case 'height': case 'width':
+                    // returns '0px' for hidden elements; we want it to return null
+                    if( !Element.visible( element ) ) return null;
+
+                    // returns the border-box dimensions rather than the content-box
+                    // dimensions, so we subtract padding and borders from the value
+                    var dim = parseInt( proceed( element, style ), 10 );
+
+                    if( dim !== element['offset' + style.capitalize()] )
+                        return dim + 'px';
+
+                    var properties;
+                    if( style === 'height' )
+                    {
+                        properties = ['border-top-width', 'padding-top',
+                            'padding-bottom', 'border-bottom-width'];
+                    }
+                    else
+                    {
+                        properties = ['border-left-width', 'padding-left',
+                            'padding-right', 'border-right-width'];
+                    }
+                    return properties.inject( dim, function( memo, property )
+                    {
+                        var val = proceed( element, property );
+                        return val === null ? memo : memo - parseInt( val, 10 );
+                    } ) + 'px';
+                    default: return proceed( element, style );
+                }
+            }
+            );
+
+    Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
+            function( proceed, element, attribute )
+            {
+                if( attribute === 'title' ) return element.title;
+                return proceed( element, attribute );
+            }
+            );
+}
+
+else if( Prototype.Browser.IE )
+{
+    // IE doesn't report offsets correctly for static elements, so we change them
+    // to "relative" to get the values, then change them back.
+    Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
+            function( proceed, element )
+            {
+                element = $( element );
+                // IE throws an error if element is not in document
+                try
+                {
+                    element.offsetParent
+                }
+                catch( e )
+                {
+                    return $( document.body )
+                }
+                var position = element.getStyle( 'position' );
+                if( position !== 'static' ) return proceed( element );
+                element.setStyle( { position: 'relative' } );
+                var value = proceed( element );
+                element.setStyle( { position: position } );
+                return value;
+            }
+            );
+
+    $w( 'positionedOffset viewportOffset' ).each( function( method )
+    {
+        Element.Methods[method] = Element.Methods[method].wrap(
+                function( proceed, element )
+                {
+                    element = $( element );
+                    try
+                    {
+                        element.offsetParent
+                    }
+                    catch( e )
+                    {
+                        return Element._returnOffset( 0, 0 )
+                    }
+                    var position = element.getStyle( 'position' );
+                    if( position !== 'static' ) return proceed( element );
+                    // Trigger hasLayout on the offset parent so that IE6 reports
+                    // accurate offsetTop and offsetLeft values for position: fixed.
+                    var offsetParent = element.getOffsetParent();
+                    if( offsetParent && offsetParent.getStyle( 'position' ) === 'fixed' )
+                        offsetParent.setStyle( { zoom: 1 } );
+                    element.setStyle( { position: 'relative' } );
+                    var value = proceed( element );
+                    element.setStyle( { position: position } );
+                    return value;
+                }
+                );
+    } );
+
+    Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
+            function( proceed, element )
+            {
+                try
+                {
+                    element.offsetParent
+                }
+                catch( e )
+                {
+                    return Element._returnOffset( 0, 0 )
+                }
+                return proceed( element );
+            }
+            );
+
+    Element.Methods.getStyle = function( element, style )
+    {
+        element = $( element );
+        style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
+        var value = element.style[style];
+        if( !value && element.currentStyle ) value = element.currentStyle[style];
+
+        if( style == 'opacity' )
+        {
+            if( value = (element.getStyle( 'filter' ) || '').match( /alpha\(opacity=(.*)\)/ ) )
+                if( value[1] ) return parseFloat( value[1] ) / 100;
+            return 1.0;
+        }
+
+        if( value == 'auto' )
+        {
+            if( (style == 'width' || style == 'height') && (element.getStyle( 'display' ) != 'none') )
+                return element['offset' + style.capitalize()] + 'px';
+            return null;
+        }
+        return value;
     };
 
-    options = Object.clone(options);
-    var onComplete = options.onComplete;
-    options.onComplete = (function(response, json) {
-      this.updateContent(response.responseText);
-      if (Object.isFunction(onComplete)) onComplete(response, json);
-    }).bind(this);
-
-    $super(url, options);
-  },
-
-  updateContent: function(responseText) {
-    var receiver = this.container[this.success() ? 'success' : 'failure'],
-        options = this.options;
-
-    if (!options.evalScripts) responseText = responseText.stripScripts();
-
-    if (receiver = $(receiver)) {
-      if (options.insertion) {
-        if (Object.isString(options.insertion)) {
-          var insertion = { }; insertion[options.insertion] = responseText;
-          receiver.insert(insertion);
-        }
-        else options.insertion(receiver, responseText);
-      }
-      else receiver.update(responseText);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
-  initialize: function($super, container, url, options) {
-    $super(options);
-    this.onComplete = this.options.onComplete;
-
-    this.frequency = (this.options.frequency || 2);
-    this.decay = (this.options.decay || 1);
-
-    this.updater = { };
-    this.container = container;
-    this.url = url;
-
-    this.start();
-  },
-
-  start: function() {
-    this.options.onComplete = this.updateComplete.bind(this);
-    this.onTimerEvent();
-  },
-
-  stop: function() {
-    this.updater.options.onComplete = undefined;
-    clearTimeout(this.timer);
-    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
-  },
-
-  updateComplete: function(response) {
-    if (this.options.decay) {
-      this.decay = (response.responseText == this.lastText ?
-        this.decay * this.options.decay : 1);
-
-      this.lastText = response.responseText;
-    }
-    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
-  },
-
-  onTimerEvent: function() {
-    this.updater = new Ajax.Updater(this.container, this.url, this.options);
-  }
-});
-function $(element) {
-  if (arguments.length > 1) {
-    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
-      elements.push($(arguments[i]));
-    return elements;
-  }
-  if (Object.isString(element))
-    element = document.getElementById(element);
-  return Element.extend(element);
+    Element.Methods.setOpacity = function( element, value )
+    {
+        function stripAlpha( filter )
+        {
+            return filter.replace( /alpha\([^\)]*\)/gi, '' );
+        }
+
+        element = $( element );
+        var currentStyle = element.currentStyle;
+        if( (currentStyle && !currentStyle.hasLayout) ||
+                (!currentStyle && element.style.zoom == 'normal') )
+            element.style.zoom = 1;
+
+        var filter = element.getStyle( 'filter' ), style = element.style;
+        if( value == 1 || value === '' )
+        {
+            (filter = stripAlpha( filter )) ?
+                    style.filter = filter : style.removeAttribute( 'filter' );
+            return element;
+        } else if( value < 0.00001 ) value = 0;
+        style.filter = stripAlpha( filter ) +
+                'alpha(opacity=' + (value * 100) + ')';
+        return element;
+    };
+
+    Element._attributeTranslations = {
+        read: {
+            names: {
+                'class': 'className',
+                'for':   'htmlFor'
+            },
+            values: {
+                _getAttr: function( element, attribute )
+                {
+                    return element.getAttribute( attribute, 2 );
+                },
+                _getAttrNode: function( element, attribute )
+                {
+                    var node = element.getAttributeNode( attribute );
+                    return node ? node.value : "";
+                },
+                _getEv: function( element, attribute )
+                {
+                    attribute = element.getAttribute( attribute );
+                    return attribute ? attribute.toString().slice( 23, -2 ) : null;
+                },
+                _flag: function( element, attribute )
+                {
+                    return $( element ).hasAttribute( attribute ) ? attribute : null;
+                },
+                style: function( element )
+                {
+                    return element.style.cssText.toLowerCase();
+                },
+                title: function( element )
+                {
+                    return element.title;
+                }
+            }
+        }
+    };
+
+    Element._attributeTranslations.write = {
+        names: Object.extend( {
+            cellpadding: 'cellPadding',
+            cellspacing: 'cellSpacing'
+        }, Element._attributeTranslations.read.names ),
+        values: {
+            checked: function( element, value )
+            {
+                element.checked = !!value;
+            },
+
+            style: function( element, value )
+            {
+                element.style.cssText = value ? value : '';
+            }
+        }
+    };
+
+    Element._attributeTranslations.has = {};
+
+    $w( 'colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
+            'encType maxLength readOnly longDesc frameBorder' ).each( function( attr )
+    {
+        Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
+        Element._attributeTranslations.has[attr.toLowerCase()] = attr;
+    } );
+
+    (function( v )
+    {
+        Object.extend( v, {
+            href:        v._getAttr,
+            src:         v._getAttr,
+            type:        v._getAttr,
+            action:      v._getAttrNode,
+            disabled:    v._flag,
+            checked:     v._flag,
+            readonly:    v._flag,
+            multiple:    v._flag,
+            onload:      v._getEv,
+            onunload:    v._getEv,
+            onclick:     v._getEv,
+            ondblclick:  v._getEv,
+            onmousedown: v._getEv,
+            onmouseup:   v._getEv,
+            onmouseover: v._getEv,
+            onmousemove: v._getEv,
+            onmouseout:  v._getEv,
+            onfocus:     v._getEv,
+            onblur:      v._getEv,
+            onkeypress:  v._getEv,
+            onkeydown:   v._getEv,
+            onkeyup:     v._getEv,
+            onsubmit:    v._getEv,
+            onreset:     v._getEv,
+            onselect:    v._getEv,
+            onchange:    v._getEv
+        } );
+    })( Element._attributeTranslations.read.values );
 }
 
-if (Prototype.BrowserFeatures.XPath) {
-  document._getElementsByXPath = function(expression, parentElement) {
-    var results = [];
-    var query = document.evaluate(expression, $(parentElement) || document,
-      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
-    for (var i = 0, length = query.snapshotLength; i < length; i++)
-      results.push(Element.extend(query.snapshotItem(i)));
-    return results;
-  };
+else if( Prototype.Browser.Gecko && /rv:1\.8\.0/.test( navigator.userAgent ) )
+{
+    Element.Methods.setOpacity = function( element, value )
+    {
+        element = $( element );
+        element.style.opacity = (value == 1) ? 0.999999 :
+                (value === '') ? '' : (value < 0.00001) ? 0 : value;
+        return element;
+    };
 }
 
-/*--------------------------------------------------------------------------*/
-
-if (!window.Node) var Node = { };
-
-if (!Node.ELEMENT_NODE) {
-  // DOM level 2 ECMAScript Language Binding
-  Object.extend(Node, {
-    ELEMENT_NODE: 1,
-    ATTRIBUTE_NODE: 2,
-    TEXT_NODE: 3,
-    CDATA_SECTION_NODE: 4,
-    ENTITY_REFERENCE_NODE: 5,
-    ENTITY_NODE: 6,
-    PROCESSING_INSTRUCTION_NODE: 7,
-    COMMENT_NODE: 8,
-    DOCUMENT_NODE: 9,
-    DOCUMENT_TYPE_NODE: 10,
-    DOCUMENT_FRAGMENT_NODE: 11,
-    NOTATION_NODE: 12
-  });
+else if( Prototype.Browser.WebKit )
+{
+    Element.Methods.setOpacity = function( element, value )
+    {
+        element = $( element );
+        element.style.opacity = (value == 1 || value === '') ? '' :
+                (value < 0.00001) ? 0 : value;
+
+        if( value == 1 )
+            if( element.tagName.toUpperCase() == 'IMG' && element.width )
+            {
+                element.width++;
+                element.width--;
+            }
+            else try
+            {
+                var n = document.createTextNode( ' ' );
+                element.appendChild( n );
+                element.removeChild( n );
+            }
+            catch ( e )
+            {
+            }
+
+        return element;
+    };
+
+    // Safari returns margins on body which is incorrect if the child is absolutely
+    // positioned.  For performance reasons, redefine Element#cumulativeOffset for
+    // KHTML/WebKit only.
+    Element.Methods.cumulativeOffset = function( element )
+    {
+        var valueT = 0, valueL = 0;
+        do {
+            valueT += element.offsetTop || 0;
+            valueL += element.offsetLeft || 0;
+            if( element.offsetParent == document.body )
+                if( Element.getStyle( element, 'position' ) == 'absolute' ) break;
+
+            element = element.offsetParent;
+        }
+        while( element );
+
+        return Element._returnOffset( valueL, valueT );
+    };
 }
 
-(function() {
-  var element = this.Element;
-  this.Element = function(tagName, attributes) {
-    attributes = attributes || { };
-    tagName = tagName.toLowerCase();
-    var cache = Element.cache;
-    if (Prototype.Browser.IE && attributes.name) {
-      tagName = '<' + tagName + ' name="' + attributes.name + '">';
-      delete attributes.name;
-      return Element.writeAttribute(document.createElement(tagName), attributes);
-    }
-    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
-    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
-  };
-  Object.extend(this.Element, element || { });
-  if (element) this.Element.prototype = element.prototype;
-}).call(window);
-
-Element.cache = { };
-
-Element.Methods = {
-  visible: function(element) {
-    return $(element).style.display != 'none';
-  },
-
-  toggle: function(element) {
-    element = $(element);
-    Element[Element.visible(element) ? 'hide' : 'show'](element);
-    return element;
-  },
-
-  hide: function(element) {
-    element = $(element);
-    element.style.display = 'none';
-    return element;
-  },
-
-  show: function(element) {
-    element = $(element);
-    element.style.display = '';
-    return element;
-  },
-
-  remove: function(element) {
-    element = $(element);
-    element.parentNode.removeChild(element);
-    return element;
-  },
-
-  update: function(element, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-    content = Object.toHTML(content);
-    element.innerHTML = content.stripScripts();
-    content.evalScripts.bind(content).defer();
-    return element;
-  },
-
-  replace: function(element, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    else if (!Object.isElement(content)) {
-      content = Object.toHTML(content);
-      var range = element.ownerDocument.createRange();
-      range.selectNode(element);
-      content.evalScripts.bind(content).defer();
-      content = range.createContextualFragment(content.stripScripts());
-    }
-    element.parentNode.replaceChild(content, element);
-    return element;
-  },
-
-  insert: function(element, insertions) {
-    element = $(element);
-
-    if (Object.isString(insertions) || Object.isNumber(insertions) ||
-        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
-          insertions = {bottom:insertions};
-
-    var content, insert, tagName, childNodes;
-
-    for (var position in insertions) {
-      content  = insertions[position];
-      position = position.toLowerCase();
-      insert = Element._insertionTranslations[position];
-
-      if (content && content.toElement) content = content.toElement();
-      if (Object.isElement(content)) {
-        insert(element, content);
-        continue;
-      }
-
-      content = Object.toHTML(content);
-
-      tagName = ((position == 'before' || position == 'after')
-        ? element.parentNode : element).tagName.toUpperCase();
-
-      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-
-      if (position == 'top' || position == 'after') childNodes.reverse();
-      childNodes.each(insert.curry(element));
-
-      content.evalScripts.bind(content).defer();
-    }
-
-    return element;
-  },
-
-  wrap: function(element, wrapper, attributes) {
-    element = $(element);
-    if (Object.isElement(wrapper))
-      $(wrapper).writeAttribute(attributes || { });
-    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
-    else wrapper = new Element('div', wrapper);
-    if (element.parentNode)
-      element.parentNode.replaceChild(wrapper, element);
-    wrapper.appendChild(element);
-    return wrapper;
-  },
-
-  inspect: function(element) {
-    element = $(element);
-    var result = '<' + element.tagName.toLowerCase();
-    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
-      var property = pair.first(), attribute = pair.last();
-      var value = (element[property] || '').toString();
-      if (value) result += ' ' + attribute + '=' + value.inspect(true);
-    });
-    return result + '>';
-  },
-
-  recursivelyCollect: function(element, property) {
-    element = $(element);
-    var elements = [];
-    while (element = element[property])
-      if (element.nodeType == 1)
-        elements.push(Element.extend(element));
-    return elements;
-  },
-
-  ancestors: function(element) {
-    return $(element).recursivelyCollect('parentNode');
-  },
-
-  descendants: function(element) {
-    return $(element).select("*");
-  },
-
-  firstDescendant: function(element) {
-    element = $(element).firstChild;
-    while (element && element.nodeType != 1) element = element.nextSibling;
-    return $(element);
-  },
-
-  immediateDescendants: function(element) {
-    if (!(element = $(element).firstChild)) return [];
-    while (element && element.nodeType != 1) element = element.nextSibling;
-    if (element) return [element].concat($(element).nextSiblings());
-    return [];
-  },
-
-  previousSiblings: function(element) {
-    return $(element).recursivelyCollect('previousSibling');
-  },
-
-  nextSiblings: function(element) {
-    return $(element).recursivelyCollect('nextSibling');
-  },
-
-  siblings: function(element) {
-    element = $(element);
-    return element.previousSiblings().reverse().concat(element.nextSiblings());
-  },
-
-  match: function(element, selector) {
-    if (Object.isString(selector))
-      selector = new Selector(selector);
-    return selector.match($(element));
-  },
-
-  up: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(element.parentNode);
-    var ancestors = element.ancestors();
-    return Object.isNumber(expression) ? ancestors[expression] :
-      Selector.findElement(ancestors, expression, index);
-  },
-
-  down: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return element.firstDescendant();
-    return Object.isNumber(expression) ? element.descendants()[expression] :
-      Element.select(element, expression)[index || 0];
-  },
-
-  previous: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
-    var previousSiblings = element.previousSiblings();
-    return Object.isNumber(expression) ? previousSiblings[expression] :
-      Selector.findElement(previousSiblings, expression, index);
-  },
-
-  next: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
-    var nextSiblings = element.nextSiblings();
-    return Object.isNumber(expression) ? nextSiblings[expression] :
-      Selector.findElement(nextSiblings, expression, index);
-  },
-
-  select: function() {
-    var args = $A(arguments), element = $(args.shift());
-    return Selector.findChildElements(element, args);
-  },
-
-  adjacent: function() {
-    var args = $A(arguments), element = $(args.shift());
-    return Selector.findChildElements(element.parentNode, args).without(element);
-  },
-
-  identify: function(element) {
-    element = $(element);
-    var id = element.readAttribute('id'), self = arguments.callee;
-    if (id) return id;
-    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
-    element.writeAttribute('id', id);
-    return id;
-  },
-
-  readAttribute: function(element, name) {
-    element = $(element);
-    if (Prototype.Browser.IE) {
-      var t = Element._attributeTranslations.read;
-      if (t.values[name]) return t.values[name](element, name);
-      if (t.names[name]) name = t.names[name];
-      if (name.include(':')) {
-        return (!element.attributes || !element.attributes[name]) ? null :
-         element.attributes[name].value;
-      }
-    }
-    return element.getAttribute(name);
-  },
-
-  writeAttribute: function(element, name, value) {
-    element = $(element);
-    var attributes = { }, t = Element._attributeTranslations.write;
-
-    if (typeof name == 'object') attributes = name;
-    else attributes[name] = Object.isUndefined(value) ? true : value;
-
-    for (var attr in attributes) {
-      name = t.names[attr] || attr;
-      value = attributes[attr];
-      if (t.values[attr]) name = t.values[attr](element, value);
-      if (value === false || value === null)
-        element.removeAttribute(name);
-      else if (value === true)
-        element.setAttribute(name, name);
-      else element.setAttribute(name, value);
-    }
-    return element;
-  },
-
-  getHeight: function(element) {
-    return $(element).getDimensions().height;
-  },
-
-  getWidth: function(element) {
-    return $(element).getDimensions().width;
-  },
-
-  classNames: function(element) {
-    return new Element.ClassNames(element);
-  },
-
-  hasClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    var elementClassName = element.className;
-    return (elementClassName.length > 0 && (elementClassName == className ||
-      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
-  },
-
-  addClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    if (!element.hasClassName(className))
-      element.className += (element.className ? ' ' : '') + className;
-    return element;
-  },
-
-  removeClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    element.className = element.className.replace(
-      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
-    return element;
-  },
-
-  toggleClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return element[element.hasClassName(className) ?
-      'removeClassName' : 'addClassName'](className);
-  },
-
-  // removes whitespace-only text node children
-  cleanWhitespace: function(element) {
-    element = $(element);
-    var node = element.firstChild;
-    while (node) {
-      var nextNode = node.nextSibling;
-      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        element.removeChild(node);
-      node = nextNode;
-    }
-    return element;
-  },
-
-  empty: function(element) {
-    return $(element).innerHTML.blank();
-  },
-
-  descendantOf: function(element, ancestor) {
-    element = $(element), ancestor = $(ancestor);
-
-    if (element.compareDocumentPosition)
-      return (element.compareDocumentPosition(ancestor) & 8) === 8;
-
-    if (ancestor.contains)
-      return ancestor.contains(element) && ancestor !== element;
-
-    while (element = element.parentNode)
-      if (element == ancestor) return true;
-
-    return false;
-  },
-
-  scrollTo: function(element) {
-    element = $(element);
-    var pos = element.cumulativeOffset();
-    window.scrollTo(pos[0], pos[1]);
-    return element;
-  },
-
-  getStyle: function(element, style) {
-    element = $(element);
-    style = style == 'float' ? 'cssFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value || value == 'auto') {
-      var css = document.defaultView.getComputedStyle(element, null);
-      value = css ? css[style] : null;
-    }
-    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
-    return value == 'auto' ? null : value;
-  },
-
-  getOpacity: function(element) {
-    return $(element).getStyle('opacity');
-  },
-
-  setStyle: function(element, styles) {
-    element = $(element);
-    var elementStyle = element.style, match;
-    if (Object.isString(styles)) {
-      element.style.cssText += ';' + styles;
-      return styles.include('opacity') ?
-        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
-    }
-    for (var property in styles)
-      if (property == 'opacity') element.setOpacity(styles[property]);
-      else
-        elementStyle[(property == 'float' || property == 'cssFloat') ?
-          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
-            property] = styles[property];
-
-    return element;
-  },
-
-  setOpacity: function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-    return element;
-  },
-
-  getDimensions: function(element) {
-    element = $(element);
-    var display = element.getStyle('display');
-    if (display != 'none' && display != null) // Safari bug
-      return {width: element.offsetWidth, height: element.offsetHeight};
-
-    // All *Width and *Height properties give 0 on elements with display none,
-    // so enable the element temporarily
-    var els = element.style;
-    var originalVisibility = els.visibility;
-    var originalPosition = els.position;
-    var originalDisplay = els.display;
-    els.visibility = 'hidden';
-    els.position = 'absolute';
-    els.display = 'block';
-    var originalWidth = element.clientWidth;
-    var originalHeight = element.clientHeight;
-    els.display = originalDisplay;
-    els.position = originalPosition;
-    els.visibility = originalVisibility;
-    return {width: originalWidth, height: originalHeight};
-  },
-
-  makePositioned: function(element) {
-    element = $(element);
-    var pos = Element.getStyle(element, 'position');
-    if (pos == 'static' || !pos) {
-      element._madePositioned = true;
-      element.style.position = 'relative';
-      // Opera returns the offset relative to the positioning context, when an
-      // element is position relative but top and left have not been defined
-      if (Prototype.Browser.Opera) {
-        element.style.top = 0;
-        element.style.left = 0;
-      }
-    }
-    return element;
-  },
-
-  undoPositioned: function(element) {
-    element = $(element);
-    if (element._madePositioned) {
-      element._madePositioned = undefined;
-      element.style.position =
-        element.style.top =
-        element.style.left =
-        element.style.bottom =
-        element.style.right = '';
-    }
-    return element;
-  },
-
-  makeClipping: function(element) {
-    element = $(element);
-    if (element._overflow) return element;
-    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
-    if (element._overflow !== 'hidden')
-      element.style.overflow = 'hidden';
-    return element;
-  },
-
-  undoClipping: function(element) {
-    element = $(element);
-    if (!element._overflow) return element;
-    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
-    element._overflow = null;
-    return element;
-  },
-
-  cumulativeOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      element = element.offsetParent;
-    } while (element);
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  positionedOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      element = element.offsetParent;
-      if (element) {
-        if (element.tagName.toUpperCase() == 'BODY') break;
-        var p = Element.getStyle(element, 'position');
-        if (p !== 'static') break;
-      }
-    } while (element);
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  absolutize: function(element) {
-    element = $(element);
-    if (element.getStyle('position') == 'absolute') return element;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
-
-    var offsets = element.positionedOffset();
-    var top     = offsets[1];
-    var left    = offsets[0];
-    var width   = element.clientWidth;
-    var height  = element.clientHeight;
-
-    element._originalLeft   = left - parseFloat(element.style.left  || 0);
-    element._originalTop    = top  - parseFloat(element.style.top || 0);
-    element._originalWidth  = element.style.width;
-    element._originalHeight = element.style.height;
-
-    element.style.position = 'absolute';
-    element.style.top    = top + 'px';
-    element.style.left   = left + 'px';
-    element.style.width  = width + 'px';
-    element.style.height = height + 'px';
-    return element;
-  },
-
-  relativize: function(element) {
-    element = $(element);
-    if (element.getStyle('position') == 'relative') return element;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
-
-    element.style.position = 'relative';
-    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
-    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
-
-    element.style.top    = top + 'px';
-    element.style.left   = left + 'px';
-    element.style.height = element._originalHeight;
-    element.style.width  = element._originalWidth;
-    return element;
-  },
-
-  cumulativeScrollOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.scrollTop  || 0;
-      valueL += element.scrollLeft || 0;
-      element = element.parentNode;
-    } while (element);
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  getOffsetParent: function(element) {
-    if (element.offsetParent) return $(element.offsetParent);
-    if (element == document.body) return $(element);
-
-    while ((element = element.parentNode) && element != document.body)
-      if (Element.getStyle(element, 'position') != 'static')
-        return $(element);
-
-    return $(document.body);
-  },
-
-  viewportOffset: function(forElement) {
-    var valueT = 0, valueL = 0;
-
-    var element = forElement;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-
-      // Safari fix
-      if (element.offsetParent == document.body &&
-        Element.getStyle(element, 'position') == 'absolute') break;
-
-    } while (element = element.offsetParent);
-
-    element = forElement;
-    do {
-      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
-        valueT -= element.scrollTop  || 0;
-        valueL -= element.scrollLeft || 0;
-      }
-    } while (element = element.parentNode);
-
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  clonePosition: function(element, source) {
-    var options = Object.extend({
-      setLeft:    true,
-      setTop:     true,
-      setWidth:   true,
-      setHeight:  true,
-      offsetTop:  0,
-      offsetLeft: 0
-    }, arguments[2] || { });
-
-    // find page position of source
-    source = $(source);
-    var p = source.viewportOffset();
-
-    // find coordinate system to use
-    element = $(element);
-    var delta = [0, 0];
-    var parent = null;
-    // delta [0,0] will do fine with position: fixed elements,
-    // position:absolute needs offsetParent deltas
-    if (Element.getStyle(element, 'position') == 'absolute') {
-      parent = element.getOffsetParent();
-      delta = parent.viewportOffset();
-    }
-
-    // correct by body offsets (fixes Safari)
-    if (parent == document.body) {
-      delta[0] -= document.body.offsetLeft;
-      delta[1] -= document.body.offsetTop;
-    }
-
-    // set position
-    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
-    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
-    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
-    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
-    return element;
-  }
+if( Prototype.Browser.IE || Prototype.Browser.Opera )
+{
+    // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
+    Element.Methods.update = function( element, content )
+    {
+        element = $( element );
+
+        if( content && content.toElement ) content = content.toElement();
+        if( Object.isElement( content ) ) return element.update().insert( content );
+
+        content = Object.toHTML( content );
+        var tagName = element.tagName.toUpperCase();
+
+        if( tagName in Element._insertionTranslations.tags )
+        {
+            $A( element.childNodes ).each( function( node )
+            {
+                element.removeChild( node )
+            } );
+            Element._getContentFromAnonymousElement( tagName, content.stripScripts() )
+                    .each( function( node )
+            {
+                element.appendChild( node )
+            } );
+        }
+        else element.innerHTML = content.stripScripts();
+
+        content.evalScripts.bind( content ).defer();
+        return element;
+    };
+}
+
+if( 'outerHTML' in document.createElement( 'div' ) )
+{
+    Element.Methods.replace = function( element, content )
+    {
+        element = $( element );
+
+        if( content && content.toElement ) content = content.toElement();
+        if( Object.isElement( content ) )
+        {
+            element.parentNode.replaceChild( content, element );
+            return element;
+        }
+
+        content = Object.toHTML( content );
+        var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
+
+        if( Element._insertionTranslations.tags[tagName] )
+        {
+            var nextSibling = element.next();
+            var fragments = Element._getContentFromAnonymousElement( tagName, content.stripScripts() );
+            parent.removeChild( element );
+            if( nextSibling )
+                fragments.each( function( node )
+                {
+                    parent.insertBefore( node, nextSibling )
+                } );
+            else
+                fragments.each( function( node )
+                {
+                    parent.appendChild( node )
+                } );
+        }
+        else element.outerHTML = content.stripScripts();
+
+        content.evalScripts.bind( content ).defer();
+        return element;
+    };
+}
+
+Element._returnOffset = function( l, t )
+{
+    var result = [l, t];
+    result.left = l;
+    result.top = t;
+    return result;
 };
 
-Element.Methods.identify.counter = 1;
-
-Object.extend(Element.Methods, {
-  getElementsBySelector: Element.Methods.select,
-  childElements: Element.Methods.immediateDescendants
-});
-
-Element._attributeTranslations = {
-  write: {
-    names: {
-      className: 'class',
-      htmlFor:   'for'
-    },
-    values: { }
-  }
+Element._getContentFromAnonymousElement = function( tagName, html )
+{
+    var div = new Element( 'div' ), t = Element._insertionTranslations.tags[tagName];
+    if( t )
+    {
+        div.innerHTML = t[0] + html + t[1];
+        t[2].times( function()
+        {
+            div = div.firstChild
+        } );
+    }
+    else div.innerHTML = html;
+    return $A( div.childNodes );
 };
 
-if (Prototype.Browser.Opera) {
-  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
-    function(proceed, element, style) {
-      switch (style) {
-        case 'left': case 'top': case 'right': case 'bottom':
-          if (proceed(element, 'position') === 'static') return null;
-        case 'height': case 'width':
-          // returns '0px' for hidden elements; we want it to return null
-          if (!Element.visible(element)) return null;
-
-          // returns the border-box dimensions rather than the content-box
-          // dimensions, so we subtract padding and borders from the value
-          var dim = parseInt(proceed(element, style), 10);
-
-          if (dim !== element['offset' + style.capitalize()])
-            return dim + 'px';
-
-          var properties;
-          if (style === 'height') {
-            properties = ['border-top-width', 'padding-top',
-             'padding-bottom', 'border-bottom-width'];
-          }
-          else {
-            properties = ['border-left-width', 'padding-left',
-             'padding-right', 'border-right-width'];
-          }
-          return properties.inject(dim, function(memo, property) {
-            var val = proceed(element, property);
-            return val === null ? memo : memo - parseInt(val, 10);
-          }) + 'px';
-        default: return proceed(element, style);
-      }
-    }
-  );
-
-  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
-    function(proceed, element, attribute) {
-      if (attribute === 'title') return element.title;
-      return proceed(element, attribute);
-    }
-  );
+Element._insertionTranslations = {
+    before: function( element, node )
+    {
+        element.parentNode.insertBefore( node, element );
+    },
+    top: function( element, node )
+    {
+        element.insertBefore( node, element.firstChild );
+    },
+    bottom: function( element, node )
+    {
+        element.appendChild( node );
+    },
+    after: function( element, node )
+    {
+        element.parentNode.insertBefore( node, element.nextSibling );
+    },
+    tags: {
+        TABLE:  ['<table>',                '</table>',                   1],
+        TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
+        TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
+        TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
+        SELECT: ['<select>',               '</select>',                  1]
+    }
+};
+
+(function()
+{
+    Object.extend( this.tags, {
+        THEAD: this.tags.TBODY,
+        TFOOT: this.tags.TBODY,
+        TH:    this.tags.TD
+    } );
+}).call( Element._insertionTranslations );
+
+Element.Methods.Simulated = {
+    hasAttribute: function( element, attribute )
+    {
+        attribute = Element._attributeTranslations.has[attribute] || attribute;
+        var node = $( element ).getAttributeNode( attribute );
+        return !!(node && node.specified);
+    }
+};
+
+Element.Methods.ByTag = { };
+
+Object.extend( Element, Element.Methods );
+
+if( !Prototype.BrowserFeatures.ElementExtensions &&
+        document.createElement( 'div' )['__proto__'] )
+{
+    window.HTMLElement = { };
+    window.HTMLElement.prototype = document.createElement( 'div' )['__proto__'];
+    Prototype.BrowserFeatures.ElementExtensions = true;
 }
 
-else if (Prototype.Browser.IE) {
-  // IE doesn't report offsets correctly for static elements, so we change them
-  // to "relative" to get the values, then change them back.
-  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
-    function(proceed, element) {
-      element = $(element);
-      // IE throws an error if element is not in document
-      try { element.offsetParent }
-      catch(e) { return $(document.body) }
-      var position = element.getStyle('position');
-      if (position !== 'static') return proceed(element);
-      element.setStyle({ position: 'relative' });
-      var value = proceed(element);
-      element.setStyle({ position: position });
-      return value;
-    }
-  );
-
-  $w('positionedOffset viewportOffset').each(function(method) {
-    Element.Methods[method] = Element.Methods[method].wrap(
-      function(proceed, element) {
-        element = $(element);
-        try { element.offsetParent }
-        catch(e) { return Element._returnOffset(0,0) }
-        var position = element.getStyle('position');
-        if (position !== 'static') return proceed(element);
-        // Trigger hasLayout on the offset parent so that IE6 reports
-        // accurate offsetTop and offsetLeft values for position: fixed.
-        var offsetParent = element.getOffsetParent();
-        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
-          offsetParent.setStyle({ zoom: 1 });
-        element.setStyle({ position: 'relative' });
-        var value = proceed(element);
-        element.setStyle({ position: position });
-        return value;
-      }
-    );
-  });
-
-  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
-    function(proceed, element) {
-      try { element.offsetParent }
-      catch(e) { return Element._returnOffset(0,0) }
-      return proceed(element);
-    }
-  );
-
-  Element.Methods.getStyle = function(element, style) {
-    element = $(element);
-    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value && element.currentStyle) value = element.currentStyle[style];
-
-    if (style == 'opacity') {
-      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
-        if (value[1]) return parseFloat(value[1]) / 100;
-      return 1.0;
-    }
-
-    if (value == 'auto') {
-      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
-        return element['offset' + style.capitalize()] + 'px';
-      return null;
-    }
-    return value;
-  };
-
-  Element.Methods.setOpacity = function(element, value) {
-    function stripAlpha(filter){
-      return filter.replace(/alpha\([^\)]*\)/gi,'');
-    }
-    element = $(element);
-    var currentStyle = element.currentStyle;
-    if ((currentStyle && !currentStyle.hasLayout) ||
-      (!currentStyle && element.style.zoom == 'normal'))
-        element.style.zoom = 1;
-
-    var filter = element.getStyle('filter'), style = element.style;
-    if (value == 1 || value === '') {
-      (filter = stripAlpha(filter)) ?
-        style.filter = filter : style.removeAttribute('filter');
-      return element;
-    } else if (value < 0.00001) value = 0;
-    style.filter = stripAlpha(filter) +
-      'alpha(opacity=' + (value * 100) + ')';
-    return element;
-  };
-
-  Element._attributeTranslations = {
-    read: {
-      names: {
-        'class': 'className',
-        'for':   'htmlFor'
-      },
-      values: {
-        _getAttr: function(element, attribute) {
-          return element.getAttribute(attribute, 2);
-        },
-        _getAttrNode: function(element, attribute) {
-          var node = element.getAttributeNode(attribute);
-          return node ? node.value : "";
-        },
-        _getEv: function(element, attribute) {
-          attribute = element.getAttribute(attribute);
-          return attribute ? attribute.toString().slice(23, -2) : null;
-        },
-        _flag: function(element, attribute) {
-          return $(element).hasAttribute(attribute) ? attribute : null;
-        },
-        style: function(element) {
-          return element.style.cssText.toLowerCase();
-        },
-        title: function(element) {
-          return element.title;
-        }
-      }
-    }
-  };
-
-  Element._attributeTranslations.write = {
-    names: Object.extend({
-      cellpadding: 'cellPadding',
-      cellspacing: 'cellSpacing'
-    }, Element._attributeTranslations.read.names),
-    values: {
-      checked: function(element, value) {
-        element.checked = !!value;
-      },
-
-      style: function(element, value) {
-        element.style.cssText = value ? value : '';
-      }
-    }
-  };
-
-  Element._attributeTranslations.has = {};
-
-  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
-      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
-    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
-    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
-  });
-
-  (function(v) {
-    Object.extend(v, {
-      href:        v._getAttr,
-      src:         v._getAttr,
-      type:        v._getAttr,
-      action:      v._getAttrNode,
-      disabled:    v._flag,
-      checked:     v._flag,
-      readonly:    v._flag,
-      multiple:    v._flag,
-      onload:      v._getEv,
-      onunload:    v._getEv,
-      onclick:     v._getEv,
-      ondblclick:  v._getEv,
-      onmousedown: v._getEv,
-      onmouseup:   v._getEv,
-      onmouseover: v._getEv,
-      onmousemove: v._getEv,
-      onmouseout:  v._getEv,
-      onfocus:     v._getEv,
-      onblur:      v._getEv,
-      onkeypress:  v._getEv,
-      onkeydown:   v._getEv,
-      onkeyup:     v._getEv,
-      onsubmit:    v._getEv,
-      onreset:     v._getEv,
-      onselect:    v._getEv,
-      onchange:    v._getEv
-    });
-  })(Element._attributeTranslations.read.values);
-}
-
-else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1) ? 0.999999 :
-      (value === '') ? '' : (value < 0.00001) ? 0 : value;
-    return element;
-  };
-}
-
-else if (Prototype.Browser.WebKit) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-
-    if (value == 1)
-      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
-        element.width++; element.width--;
-      } else try {
-        var n = document.createTextNode(' ');
-        element.appendChild(n);
-        element.removeChild(n);
-      } catch (e) { }
-
-    return element;
-  };
-
-  // Safari returns margins on body which is incorrect if the child is absolutely
-  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
-  // KHTML/WebKit only.
-  Element.Methods.cumulativeOffset = function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      if (element.offsetParent == document.body)
-        if (Element.getStyle(element, 'position') == 'absolute') break;
-
-      element = element.offsetParent;
-    } while (element);
-
-    return Element._returnOffset(valueL, valueT);
-  };
-}
-
-if (Prototype.Browser.IE || Prototype.Browser.Opera) {
-  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
-  Element.Methods.update = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-
-    content = Object.toHTML(content);
-    var tagName = element.tagName.toUpperCase();
-
-    if (tagName in Element._insertionTranslations.tags) {
-      $A(element.childNodes).each(function(node) { element.removeChild(node) });
-      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
-        .each(function(node) { element.appendChild(node) });
-    }
-    else element.innerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-if ('outerHTML' in document.createElement('div')) {
-  Element.Methods.replace = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) {
-      element.parentNode.replaceChild(content, element);
-      return element;
-    }
-
-    content = Object.toHTML(content);
-    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
-
-    if (Element._insertionTranslations.tags[tagName]) {
-      var nextSibling = element.next();
-      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-      parent.removeChild(element);
-      if (nextSibling)
-        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
-      else
-        fragments.each(function(node) { parent.appendChild(node) });
-    }
-    else element.outerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-Element._returnOffset = function(l, t) {
-  var result = [l, t];
-  result.left = l;
-  result.top = t;
-  return result;
+Element.extend = (function()
+{
+    if( Prototype.BrowserFeatures.SpecificElementExtensions )
+        return Prototype.K;
+
+    var Methods = { }, ByTag = Element.Methods.ByTag;
+
+    var extend = Object.extend( function( element )
+    {
+        if( !element || element._extendedByPrototype ||
+                element.nodeType != 1 || element == window ) return element;
+
+        var methods = Object.clone( Methods ),
+                tagName = element.tagName.toUpperCase(), property, value;
+
+        // extend methods for specific tags
+        if( ByTag[tagName] ) Object.extend( methods, ByTag[tagName] );
+
+        for( property in methods )
+        {
+            value = methods[property];
+            if( Object.isFunction( value ) && !(property in element) )
+                element[property] = value.methodize();
+        }
+
+        element._extendedByPrototype = Prototype.emptyFunction;
+        return element;
+
+    }, {
+        refresh: function()
+        {
+            // extend methods for all tags (Safari doesn't need this)
+            if( !Prototype.BrowserFeatures.ElementExtensions )
+            {
+                Object.extend( Methods, Element.Methods );
+                Object.extend( Methods, Element.Methods.Simulated );
+            }
+        }
+    } );
+
+    extend.refresh();
+    return extend;
+})();
+
+Element.hasAttribute = function( element, attribute )
+{
+    if( element.hasAttribute ) return element.hasAttribute( attribute );
+    return Element.Methods.Simulated.hasAttribute( element, attribute );
 };
 
-Element._getContentFromAnonymousElement = function(tagName, html) {
-  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
-  if (t) {
-    div.innerHTML = t[0] + html + t[1];
-    t[2].times(function() { div = div.firstChild });
-  } else div.innerHTML = html;
-  return $A(div.childNodes);
+Element.addMethods = function( methods )
+{
+    var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
+
+    if( !methods )
+    {
+        Object.extend( Form, Form.Methods );
+        Object.extend( Form.Element, Form.Element.Methods );
+        Object.extend( Element.Methods.ByTag, {
+            "FORM":     Object.clone( Form.Methods ),
+            "INPUT":    Object.clone( Form.Element.Methods ),
+            "SELECT":   Object.clone( Form.Element.Methods ),
+            "TEXTAREA": Object.clone( Form.Element.Methods )
+        } );
+    }
+
+    if( arguments.length == 2 )
+    {
+        var tagName = methods;
+        methods = arguments[1];
+    }
+
+    if( !tagName ) Object.extend( Element.Methods, methods || { } );
+    else
+    {
+        if( Object.isArray( tagName ) ) tagName.each( extend );
+        else extend( tagName );
+    }
+
+    function extend( tagName )
+    {
+        tagName = tagName.toUpperCase();
+        if( !Element.Methods.ByTag[tagName] )
+            Element.Methods.ByTag[tagName] = { };
+        Object.extend( Element.Methods.ByTag[tagName], methods );
+    }
+
+    function copy( methods, destination, onlyIfAbsent )
+    {
+        onlyIfAbsent = onlyIfAbsent || false;
+        for( var property in methods )
+        {
+            var value = methods[property];
+            if( !Object.isFunction( value ) ) continue;
+            if( !onlyIfAbsent || !(property in destination) )
+                destination[property] = value.methodize();
+        }
+    }
+
+    function findDOMClass( tagName )
+    {
+        var klass;
+        var trans = {
+            "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
+            "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
+            "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
+            "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
+            "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
+                    "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
+                    "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
+                    "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
+                    "FrameSet", "IFRAME": "IFrame"
+        };
+        if( trans[tagName] ) klass = 'HTML' + trans[tagName] + 'Element';
+        if( window[klass] ) return window[klass];
+        klass = 'HTML' + tagName + 'Element';
+        if( window[klass] ) return window[klass];
+        klass = 'HTML' + tagName.capitalize() + 'Element';
+        if( window[klass] ) return window[klass];
+
+        window[klass] = { };
+        window[klass].prototype = document.createElement( tagName )['__proto__'];
+        return window[klass];
+    }
+
+    if( F.ElementExtensions )
+    {
+        copy( Element.Methods, HTMLElement.prototype );
+        copy( Element.Methods.Simulated, HTMLElement.prototype, true );
+    }
+
+    if( F.SpecificElementExtensions )
+    {
+        for( var tag in Element.Methods.ByTag )
+        {
+            var klass = findDOMClass( tag );
+            if( Object.isUndefined( klass ) ) continue;
+            copy( T[tag], klass.prototype );
+        }
+    }
+
+    Object.extend( Element, Element.Methods );
+    delete Element.ByTag;
+
+    if( Element.extend.refresh ) Element.extend.refresh();
+    Element.cache = { };
 };
 
-Element._insertionTranslations = {
-  before: function(element, node) {
-    element.parentNode.insertBefore(node, element);
-  },
-  top: function(element, node) {
-    element.insertBefore(node, element.firstChild);
-  },
-  bottom: function(element, node) {
-    element.appendChild(node);
-  },
-  after: function(element, node) {
-    element.parentNode.insertBefore(node, element.nextSibling);
-  },
-  tags: {
-    TABLE:  ['<table>',                '</table>',                   1],
-    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
-    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
-    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
-    SELECT: ['<select>',               '</select>',                  1]
-  }
-};
-
-(function() {
-  Object.extend(this.tags, {
-    THEAD: this.tags.TBODY,
-    TFOOT: this.tags.TBODY,
-    TH:    this.tags.TD
-  });
-}).call(Element._insertionTranslations);
-
-Element.Methods.Simulated = {
-  hasAttribute: function(element, attribute) {
-    attribute = Element._attributeTranslations.has[attribute] || attribute;
-    var node = $(element).getAttributeNode(attribute);
-    return !!(node && node.specified);
-  }
-};
-
-Element.Methods.ByTag = { };
-
-Object.extend(Element, Element.Methods);
-
-if (!Prototype.BrowserFeatures.ElementExtensions &&
-    document.createElement('div')['__proto__']) {
-  window.HTMLElement = { };
-  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
-  Prototype.BrowserFeatures.ElementExtensions = true;
-}
-
-Element.extend = (function() {
-  if (Prototype.BrowserFeatures.SpecificElementExtensions)
-    return Prototype.K;
-
-  var Methods = { }, ByTag = Element.Methods.ByTag;
-
-  var extend = Object.extend(function(element) {
-    if (!element || element._extendedByPrototype ||
-        element.nodeType != 1 || element == window) return element;
-
-    var methods = Object.clone(Methods),
-      tagName = element.tagName.toUpperCase(), property, value;
-
-    // extend methods for specific tags
-    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
-
-    for (property in methods) {
-      value = methods[property];
-      if (Object.isFunction(value) && !(property in element))
-        element[property] = value.methodize();
-    }
-
-    element._extendedByPrototype = Prototype.emptyFunction;
-    return element;
-
-  }, {
-    refresh: function() {
-      // extend methods for all tags (Safari doesn't need this)
-      if (!Prototype.BrowserFeatures.ElementExtensions) {
-        Object.extend(Methods, Element.Methods);
-        Object.extend(Methods, Element.Methods.Simulated);
-      }
-    }
-  });
-
-  extend.refresh();
-  return extend;
-})();
-
-Element.hasAttribute = function(element, attribute) {
-  if (element.hasAttribute) return element.hasAttribute(attribute);
-  return Element.Methods.Simulated.hasAttribute(element, attribute);
-};
-
-Element.addMethods = function(methods) {
-  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
-
-  if (!methods) {
-    Object.extend(Form, Form.Methods);
-    Object.extend(Form.Element, Form.Element.Methods);
-    Object.extend(Element.Methods.ByTag, {
-      "FORM":     Object.clone(Form.Methods),
-      "INPUT":    Object.clone(Form.Element.Methods),
-      "SELECT":   Object.clone(Form.Element.Methods),
-      "TEXTAREA": Object.clone(Form.Element.Methods)
-    });
-  }
-
-  if (arguments.length == 2) {
-    var tagName = methods;
-    methods = arguments[1];
-  }
-
-  if (!tagName) Object.extend(Element.Methods, methods || { });
-  else {
-    if (Object.isArray(tagName)) tagName.each(extend);
-    else extend(tagName);
-  }
-
-  function extend(tagName) {
-    tagName = tagName.toUpperCase();
-    if (!Element.Methods.ByTag[tagName])
-      Element.Methods.ByTag[tagName] = { };
-    Object.extend(Element.Methods.ByTag[tagName], methods);
-  }
-
-  function copy(methods, destination, onlyIfAbsent) {
-    onlyIfAbsent = onlyIfAbsent || false;
-    for (var property in methods) {
-      var value = methods[property];
-      if (!Object.isFunction(value)) continue;
-      if (!onlyIfAbsent || !(property in destination))
-        destination[property] = value.methodize();
-    }
-  }
-
-  function findDOMClass(tagName) {
-    var klass;
-    var trans = {
-      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
-      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
-      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
-      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
-      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
-      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
-      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
-      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
-      "FrameSet", "IFRAME": "IFrame"
-    };
-    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName.capitalize() + 'Element';
-    if (window[klass]) return window[klass];
-
-    window[klass] = { };
-    window[klass].prototype = document.createElement(tagName)['__proto__'];
-    return window[klass];
-  }
-
-  if (F.ElementExtensions) {
-    copy(Element.Methods, HTMLElement.prototype);
-    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
-  }
-
-  if (F.SpecificElementExtensions) {
-    for (var tag in Element.Methods.ByTag) {
-      var klass = findDOMClass(tag);
-      if (Object.isUndefined(klass)) continue;
-      copy(T[tag], klass.prototype);
-    }
-  }
-
-  Object.extend(Element, Element.Methods);
-  delete Element.ByTag;
-
-  if (Element.extend.refresh) Element.extend.refresh();
-  Element.cache = { };
-};
-
 document.viewport = {
-  getDimensions: function() {
-    var dimensions = { }, B = Prototype.Browser;
-    $w('width height').each(function(d) {
-      var D = d.capitalize();
-      if (B.WebKit && !document.evaluate) {
-        // Safari <3.0 needs self.innerWidth/Height
-        dimensions[d] = self['inner' + D];
-      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
-        // Opera <9.5 needs document.body.clientWidth/Height
-        dimensions[d] = document.body['client' + D]
-      } else {
-        dimensions[d] = document.documentElement['client' + D];
-      }
-    });
-    return dimensions;
-  },
-
-  getWidth: function() {
-    return this.getDimensions().width;
-  },
-
-  getHeight: function() {
-    return this.getDimensions().height;
-  },
-
-  getScrollOffsets: function() {
-    return Element._returnOffset(
-      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
-      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
-  }
+    getDimensions: function()
+    {
+        var dimensions = { }, B = Prototype.Browser;
+        $w( 'width height' ).each( function( d )
+        {
+            var D = d.capitalize();
+            if( B.WebKit && !document.evaluate )
+            {
+                // Safari <3.0 needs self.innerWidth/Height
+                dimensions[d] = self['inner' + D];
+            } else if( B.Opera && parseFloat( window.opera.version() ) < 9.5 )
+            {
+                // Opera <9.5 needs document.body.clientWidth/Height
+                dimensions[d] = document.body['client' + D]
+            }
+            else
+            {
+                dimensions[d] = document.documentElement['client' + D];
+            }
+        } );
+        return dimensions;
+    },
+
+    getWidth: function()
+    {
+        return this.getDimensions().width;
+    },
+
+    getHeight: function()
+    {
+        return this.getDimensions().height;
+    },
+
+    getScrollOffsets: function()
+    {
+        return Element._returnOffset(
+                window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
+                window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop );
+    }
 };
 /* Portions of the Selector class are derived from Jack Slocum's DomQuery,
@@ -2722 +3289 @@
  * license.  Please see http://www.yui-ext.com/ for more information. */
 
-var Selector = Class.create({
-  initialize: function(expression) {
-    this.expression = expression.strip();
-
-    if (this.shouldUseSelectorsAPI()) {
-      this.mode = 'selectorsAPI';
-    } else if (this.shouldUseXPath()) {
-      this.mode = 'xpath';
-      this.compileXPathMatcher();
-    } else {
-      this.mode = "normal";
-      this.compileMatcher();
-    }
-
-  },
-
-  shouldUseXPath: function() {
-    if (!Prototype.BrowserFeatures.XPath) return false;
-
-    var e = this.expression;
-
-    // Safari 3 chokes on :*-of-type and :empty
-    if (Prototype.Browser.WebKit &&
-     (e.include("-of-type") || e.include(":empty")))
-      return false;
-
-    // XPath can't do namespaced attributes, nor can it read
-    // the "checked" property from DOM nodes
-    if ((/(\[[\w-]*?:|:checked)/).test(e))
-      return false;
-
-    return true;
-  },
-
-  shouldUseSelectorsAPI: function() {
-    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
-
-    if (!Selector._div) Selector._div = new Element('div');
-
-    // Make sure the browser treats the selector as valid. Test on an
-    // isolated element to minimize cost of this check.
-    try {
-      Selector._div.querySelector(this.expression);
-    } catch(e) {
-      return false;
-    }
-
-    return true;
-  },
-
-  compileMatcher: function() {
-    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
-        c = Selector.criteria, le, p, m;
-
-    if (Selector._cache[e]) {
-      this.matcher = Selector._cache[e];
-      return;
-    }
-
-    this.matcher = ["this.matcher = function(root) {",
-                    "var r = root, h = Selector.handlers, c = false, n;"];
-
-    while (e && le != e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        p = ps[i];
-        if (m = e.match(p)) {
-          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
-            new Template(c[i]).evaluate(m));
-          e = e.replace(m[0], '');
-          break;
-        }
-      }
-    }
-
-    this.matcher.push("return h.unique(n);\n}");
-    eval(this.matcher.join('\n'));
-    Selector._cache[this.expression] = this.matcher;
-  },
-
-  compileXPathMatcher: function() {
-    var e = this.expression, ps = Selector.patterns,
-        x = Selector.xpath, le, m;
-
-    if (Selector._cache[e]) {
-      this.xpath = Selector._cache[e]; return;
-    }
-
-    this.matcher = ['.//*'];
-    while (e && le != e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        if (m = e.match(ps[i])) {
-          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
-            new Template(x[i]).evaluate(m));
-          e = e.replace(m[0], '');
-          break;
-        }
-      }
-    }
-
-    this.xpath = this.matcher.join('');
-    Selector._cache[this.expression] = this.xpath;
-  },
-
-  findElements: function(root) {
-    root = root || document;
-    var e = this.expression, results;
-
-    switch (this.mode) {
-      case 'selectorsAPI':
-        // querySelectorAll queries document-wide, then filters to descendants
-        // of the context element. That's not what we want.
-        // Add an explicit context to the selector if necessary.
-        if (root !== document) {
-          var oldId = root.id, id = $(root).identify();
-          e = "#" + id + " " + e;
-        }
-
-        results = $A(root.querySelectorAll(e)).map(Element.extend);
-        root.id = oldId;
-
+var Selector = Class.create( {
+    initialize: function( expression )
+    {
+        this.expression = expression.strip();
+
+        if( this.shouldUseSelectorsAPI() )
+        {
+            this.mode = 'selectorsAPI';
+        } else if( this.shouldUseXPath() )
+        {
+            this.mode = 'xpath';
+            this.compileXPathMatcher();
+        }
+        else
+        {
+            this.mode = "normal";
+            this.compileMatcher();
+        }
+
+    },
+
+    shouldUseXPath: function()
+    {
+        if( !Prototype.BrowserFeatures.XPath ) return false;
+
+        var e = this.expression;
+
+        // Safari 3 chokes on :*-of-type and :empty
+        if( Prototype.Browser.WebKit &&
+                (e.include( "-of-type" ) || e.include( ":empty" )) )
+            return false;
+
+        // XPath can't do namespaced attributes, nor can it read
+        // the "checked" property from DOM nodes
+        if( (/(\[[\w-]*?:|:checked)/).test( e ) )
+            return false;
+
+        return true;
+    },
+
+    shouldUseSelectorsAPI: function()
+    {
+        if( !Prototype.BrowserFeatures.SelectorsAPI ) return false;
+
+        if( !Selector._div ) Selector._div = new Element( 'div' );
+
+        // Make sure the browser treats the selector as valid. Test on an
+        // isolated element to minimize cost of this check.
+        try
+        {
+            Selector._div.querySelector( this.expression );
+        }
+        catch( e )
+        {
+            return false;
+        }
+
+        return true;
+    },
+
+    compileMatcher: function()
+    {
+        var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
+                c = Selector.criteria, le, p, m;
+
+        if( Selector._cache[e] )
+        {
+            this.matcher = Selector._cache[e];
+            return;
+        }
+
+        this.matcher = ["this.matcher = function(root) {",
+            "var r = root, h = Selector.handlers, c = false, n;"];
+
+        while( e && le != e && (/\S/).test( e ) )
+        {
+            le = e;
+            for( var i in ps )
+            {
+                p = ps[i];
+                if( m = e.match( p ) )
+                {
+                    this.matcher.push( Object.isFunction( c[i] ) ? c[i]( m ) :
+                            new Template( c[i] ).evaluate( m ) );
+                    e = e.replace( m[0], '' );
+                    break;
+                }
+            }
+        }
+
+        this.matcher.push( "return h.unique(n);\n}" );
+        eval( this.matcher.join( '\n' ) );
+        Selector._cache[this.expression] = this.matcher;
+    },
+
+    compileXPathMatcher: function()
+    {
+        var e = this.expression, ps = Selector.patterns,
+                x = Selector.xpath, le, m;
+
+        if( Selector._cache[e] )
+        {
+            this.xpath = Selector._cache[e];
+            return;
+        }
+
+        this.matcher = ['.//*'];
+        while( e && le != e && (/\S/).test( e ) )
+        {
+            le = e;
+            for( var i in ps )
+            {
+                if( m = e.match( ps[i] ) )
+                {
+                    this.matcher.push( Object.isFunction( x[i] ) ? x[i]( m ) :
+                            new Template( x[i] ).evaluate( m ) );
+                    e = e.replace( m[0], '' );
+                    break;
+                }
+            }
+        }
+
+        this.xpath = this.matcher.join( '' );
+        Selector._cache[this.expression] = this.xpath;
+    },
+
+    findElements: function( root )
+    {
+        root = root || document;
+        var e = this.expression, results;
+
+        switch( this.mode )
+        {
+            case 'selectorsAPI':
+                // querySelectorAll queries document-wide, then filters to descendants
+                // of the context element. That's not what we want.
+                // Add an explicit context to the selector if necessary.
+                if( root !== document )
+                {
+                    var oldId = root.id, id = $( root ).identify();
+                    e = "#" + id + " " + e;
+                }
+
+                results = $A( root.querySelectorAll( e ) ).map( Element.extend );
+                root.id = oldId;
+
+                return results;
+            case 'xpath':
+                return document._getElementsByXPath( this.xpath, root );
+            default:
+                return this.matcher( root );
+        }
+    },
+
+    match: function( element )
+    {
+        this.tokens = [];
+
+        var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
+        var le, p, m;
+
+        while( e && le !== e && (/\S/).test( e ) )
+        {
+            le = e;
+            for( var i in ps )
+            {
+                p = ps[i];
+                if( m = e.match( p ) )
+                {
+                    // use the Selector.assertions methods unless the selector
+                    // is too complex.
+                    if( as[i] )
+                    {
+                        this.tokens.push( [i, Object.clone( m )] );
+                        e = e.replace( m[0], '' );
+                    }
+                    else
+                    {
+                        // reluctantly do a document-wide search
+                        // and look for a match in the array
+                        return this.findElements( document ).include( element );
+                    }
+                }
+            }
+        }
+
+        var match = true, name, matches;
+        for( var i = 0, token; token = this.tokens[i]; i++ )
+        {
+            name = token[0],matches = token[1];
+            if( !Selector.assertions[name]( element, matches ) )
+            {
+                match = false;
+                break;
+            }
+        }
+
+        return match;
+    },
+
+    toString: function()
+    {
+        return this.expression;
+    },
+
+    inspect: function()
+    {
+        return "#<Selector:" + this.expression.inspect() + ">";
+    }
+} );
+
+Object.extend( Selector, {
+    _cache: { },
+
+    xpath: {
+        descendant:   "//*",
+        child:        "/*",
+        adjacent:     "/following-sibling::*[1]",
+        laterSibling: '/following-sibling::*',
+        tagName:      function( m )
+        {
+            if( m[1] == '*' ) return '';
+            return "[local-name()='" + m[1].toLowerCase() +
+                    "' or local-name()='" + m[1].toUpperCase() + "']";
+        },
+        className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
+        id:           "[@id='#{1}']",
+        attrPresence: function( m )
+        {
+            m[1] = m[1].toLowerCase();
+            return new Template( "[@#{1}]" ).evaluate( m );
+        },
+        attr: function( m )
+        {
+            m[1] = m[1].toLowerCase();
+            m[3] = m[5] || m[6];
+            return new Template( Selector.xpath.operators[m[2]] ).evaluate( m );
+        },
+        pseudo: function( m )
+        {
+            var h = Selector.xpath.pseudos[m[1]];
+            if( !h ) return '';
+            if( Object.isFunction( h ) ) return h( m );
+            return new Template( Selector.xpath.pseudos[m[1]] ).evaluate( m );
+        },
+        operators: {
+            '=':  "[@#{1}='#{3}']",
+            '!=': "[@#{1}!='#{3}']",
+            '^=': "[starts-with(@#{1}, '#{3}')]",
+            '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
+            '*=': "[contains(@#{1}, '#{3}')]",
+            '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
+            '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
+        },
+        pseudos: {
+            'first-child': '[not(preceding-sibling::*)]',
+            'last-child':  '[not(following-sibling::*)]',
+            'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
+            'empty':       "[count(*) = 0 and (count(text()) = 0)]",
+            'checked':     "[@checked]",
+            'disabled':    "[(@disabled) and (@type!='hidden')]",
+            'enabled':     "[not(@disabled) and (@type!='hidden')]",
+            'not': function( m )
+            {
+                var e = m[6], p = Selector.patterns,
+                        x = Selector.xpath, le, v;
+
+                var exclusion = [];
+                while( e && le != e && (/\S/).test( e ) )
+                {
+                    le = e;
+                    for( var i in p )
+                    {
+                        if( m = e.match( p[i] ) )
+                        {
+                            v = Object.isFunction( x[i] ) ? x[i]( m ) : new Template( x[i] ).evaluate( m );
+                            exclusion.push( "(" + v.substring( 1, v.length - 1 ) + ")" );
+                            e = e.replace( m[0], '' );
+                            break;
+                        }
+                    }
+                }
+                return "[not(" + exclusion.join( " and " ) + ")]";
+            },
+            'nth-child':      function( m )
+            {
+                return Selector.xpath.pseudos.nth( "(count(./preceding-sibling::*) + 1) ", m );
+            },
+            'nth-last-child': function( m )
+            {
+                return Selector.xpath.pseudos.nth( "(count(./following-sibling::*) + 1) ", m );
+            },
+            'nth-of-type':    function( m )
+            {
+                return Selector.xpath.pseudos.nth( "position() ", m );
+            },
+            'nth-last-of-type': function( m )
+            {
+                return Selector.xpath.pseudos.nth( "(last() + 1 - position()) ", m );
+            },
+            'first-of-type':  function( m )
+            {
+                m[6] = "1";
+                return Selector.xpath.pseudos['nth-of-type']( m );
+            },
+            'last-of-type':   function( m )
+            {
+                m[6] = "1";
+                return Selector.xpath.pseudos['nth-last-of-type']( m );
+            },
+            'only-of-type':   function( m )
+            {
+                var p = Selector.xpath.pseudos;
+                return p['first-of-type']( m ) + p['last-of-type']( m );
+            },
+            nth: function( fragment, m )
+            {
+                var mm, formula = m[6], predicate;
+                if( formula == 'even' ) formula = '2n+0';
+                if( formula == 'odd' )  formula = '2n+1';
+                if( mm = formula.match( /^(\d+)$/ ) ) // digit only
+                    return '[' + fragment + "= " + mm[1] + ']';
+                if( mm = formula.match( /^(-?\d*)?n(([+-])(\d+))?/ ) )
+                { // an+b
+                    if( mm[1] == "-" ) mm[1] = -1;
+                    var a = mm[1] ? Number( mm[1] ) : 1;
+                    var b = mm[2] ? Number( mm[2] ) : 0;
+                    predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
+                            "((#{fragment} - #{b}) div #{a} >= 0)]";
+                    return new Template( predicate ).evaluate( {
+                        fragment: fragment, a: a, b: b } );
+                }
+            }
+        }
+    },
+
+    criteria: {
+        tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
+        className:    'n = h.className(n, r, "#{1}", c);    c = false;',
+        id:           'n = h.id(n, r, "#{1}", c);           c = false;',
+        attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
+        attr: function( m )
+        {
+            m[3] = (m[5] || m[6]);
+            return new Template( 'n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;' ).evaluate( m );
+        },
+        pseudo: function( m )
+        {
+            if( m[6] ) m[6] = m[6].replace( /"/g, '\\"' );
+            return new Template( 'n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;' ).evaluate( m );
+        },
+        descendant:   'c = "descendant";',
+        child:        'c = "child";',
+        adjacent:     'c = "adjacent";',
+        laterSibling: 'c = "laterSibling";'
+    },
+
+    patterns: {
+        // combinators must be listed first
+        // (and descendant needs to be last combinator)
+        laterSibling: /^\s*~\s*/,
+        child:        /^\s*>\s*/,
+        adjacent:     /^\s*\+\s*/,
+        descendant:   /^\s/,
+
+        // selectors follow
+        tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
+        id:           /^#([\w\-\*]+)(\b|$)/,
+        className:    /^\.([\w\-\*]+)(\b|$)/,
+        pseudo:
+                /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
+        attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
+        attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
+    },
+
+    // for Selector.match and Element#match
+    assertions: {
+        tagName: function( element, matches )
+        {
+            return matches[1].toUpperCase() == element.tagName.toUpperCase();
+        },
+
+        className: function( element, matches )
+        {
+            return Element.hasClassName( element, matches[1] );
+        },
+
+        id: function( element, matches )
+        {
+            return element.id === matches[1];
+        },
+
+        attrPresence: function( element, matches )
+        {
+            return Element.hasAttribute( element, matches[1] );
+        },
+
+        attr: function( element, matches )
+        {
+            var nodeValue = Element.readAttribute( element, matches[1] );
+            return nodeValue && Selector.operators[matches[2]]( nodeValue, matches[5] || matches[6] );
+        }
+    },
+
+    handlers: {
+        // UTILITY FUNCTIONS
+        // joins two collections
+        concat: function( a, b )
+        {
+            for( var i = 0, node; node = b[i]; i++ )
+                a.push( node );
+            return a;
+        },
+
+        // marks an array of nodes for counting
+        mark: function( nodes )
+        {
+            var _true = Prototype.emptyFunction;
+            for( var i = 0, node; node = nodes[i]; i++ )
+                node._countedByPrototype = _true;
+            return nodes;
+        },
+
+        unmark: function( nodes )
+        {
+            for( var i = 0, node; node = nodes[i]; i++ )
+                node._countedByPrototype = undefined;
+            return nodes;
+        },
+
+        // mark each child node with its position (for nth calls)
+        // "ofType" flag indicates whether we're indexing for nth-of-type
+        // rather than nth-child
+        index: function( parentNode, reverse, ofType )
+        {
+            parentNode._countedByPrototype = Prototype.emptyFunction;
+            if( reverse )
+            {
+                for( var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i-- )
+                {
+                    var node = nodes[i];
+                    if( node.nodeType == 1 && (!ofType || node._countedByPrototype) ) node.nodeIndex = j++;
+                }
+            }
+            else
+            {
+                for( var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++ )
+                    if( node.nodeType == 1 && (!ofType || node._countedByPrototype) ) node.nodeIndex = j++;
+            }
+        },
+
+        // filters out duplicates and extends all nodes
+        unique: function( nodes )
+        {
+            if( nodes.length == 0 ) return nodes;
+            var results = [], n;
+            for( var i = 0, l = nodes.length; i < l; i++ )
+                if( !(n = nodes[i])._countedByPrototype )
+                {
+                    n._countedByPrototype = Prototype.emptyFunction;
+                    results.push( Element.extend( n ) );
+                }
+            return Selector.handlers.unmark( results );
+        },
+
+        // COMBINATOR FUNCTIONS
+        descendant: function( nodes )
+        {
+            var h = Selector.handlers;
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                h.concat( results, node.getElementsByTagName( '*' ) );
+            return results;
+        },
+
+        child: function( nodes )
+        {
+            var h = Selector.handlers;
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+            {
+                for( var j = 0, child; child = node.childNodes[j]; j++ )
+                    if( child.nodeType == 1 && child.tagName != '!' ) results.push( child );
+            }
+            return results;
+        },
+
+        adjacent: function( nodes )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+            {
+                var next = this.nextElementSibling( node );
+                if( next ) results.push( next );
+            }
+            return results;
+        },
+
+        laterSibling: function( nodes )
+        {
+            var h = Selector.handlers;
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                h.concat( results, Element.nextSiblings( node ) );
+            return results;
+        },
+
+        nextElementSibling: function( node )
+        {
+            while( node = node.nextSibling )
+                if( node.nodeType == 1 ) return node;
+            return null;
+        },
+
+        previousElementSibling: function( node )
+        {
+            while( node = node.previousSibling )
+                if( node.nodeType == 1 ) return node;
+            return null;
+        },
+
+        // TOKEN FUNCTIONS
+        tagName: function( nodes, root, tagName, combinator )
+        {
+            var uTagName = tagName.toUpperCase();
+            var results = [], h = Selector.handlers;
+            if( nodes )
+            {
+                if( combinator )
+                {
+                    // fastlane for ordinary descendant combinators
+                    if( combinator == "descendant" )
+                    {
+                        for( var i = 0, node; node = nodes[i]; i++ )
+                            h.concat( results, node.getElementsByTagName( tagName ) );
+                        return results;
+                    }
+                    else nodes = this[combinator]( nodes );
+                    if( tagName == "*" ) return nodes;
+                }
+                for( var i = 0, node; node = nodes[i]; i++ )
+                    if( node.tagName.toUpperCase() === uTagName ) results.push( node );
+                return results;
+            }
+            else return root.getElementsByTagName( tagName );
+        },
+
+        id: function( nodes, root, id, combinator )
+        {
+            var targetNode = $( id ), h = Selector.handlers;
+            if( !targetNode ) return [];
+            if( !nodes && root == document ) return [targetNode];
+            if( nodes )
+            {
+                if( combinator )
+                {
+                    if( combinator == 'child' )
+                    {
+                        for( var i = 0, node; node = nodes[i]; i++ )
+                            if( targetNode.parentNode == node ) return [targetNode];
+                    } else if( combinator == 'descendant' )
+                    {
+                        for( var i = 0, node; node = nodes[i]; i++ )
+                            if( Element.descendantOf( targetNode, node ) ) return [targetNode];
+                    } else if( combinator == 'adjacent' )
+                    {
+                        for( var i = 0, node; node = nodes[i]; i++ )
+                            if( Selector.handlers.previousElementSibling( targetNode ) == node )
+                                return [targetNode];
+                    }
+                    else nodes = h[combinator]( nodes );
+                }
+                for( var i = 0, node; node = nodes[i]; i++ )
+                    if( node == targetNode ) return [targetNode];
+                return [];
+            }
+            return (targetNode && Element.descendantOf( targetNode, root )) ? [targetNode] : [];
+        },
+
+        className: function( nodes, root, className, combinator )
+        {
+            if( nodes && combinator ) nodes = this[combinator]( nodes );
+            return Selector.handlers.byClassName( nodes, root, className );
+        },
+
+        byClassName: function( nodes, root, className )
+        {
+            if( !nodes ) nodes = Selector.handlers.descendant( [root] );
+            var needle = ' ' + className + ' ';
+            for( var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++ )
+            {
+                nodeClassName = node.className;
+                if( nodeClassName.length == 0 ) continue;
+                if( nodeClassName == className || (' ' + nodeClassName + ' ').include( needle ) )
+                    results.push( node );
+            }
+            return results;
+        },
+
+        attrPresence: function( nodes, root, attr, combinator )
+        {
+            if( !nodes ) nodes = root.getElementsByTagName( "*" );
+            if( nodes && combinator ) nodes = this[combinator]( nodes );
+            var results = [];
+            for( var i = 0, node; node = nodes[i]; i++ )
+                if( Element.hasAttribute( node, attr ) ) results.push( node );
+            return results;
+        },
+
+        attr: function( nodes, root, attr, value, operator, combinator )
+        {
+            if( !nodes ) nodes = root.getElementsByTagName( "*" );
+            if( nodes && combinator ) nodes = this[combinator]( nodes );
+            var handler = Selector.operators[operator], results = [];
+            for( var i = 0, node; node = nodes[i]; i++ )
+            {
+                var nodeValue = Element.readAttribute( node, attr );
+                if( nodeValue === null ) continue;
+                if( handler( nodeValue, value ) ) results.push( node );
+            }
+            return results;
+        },
+
+        pseudo: function( nodes, name, value, root, combinator )
+        {
+            if( nodes && combinator ) nodes = this[combinator]( nodes );
+            if( !nodes ) nodes = root.getElementsByTagName( "*" );
+            return Selector.pseudos[name]( nodes, value, root );
+        }
+    },
+
+    pseudos: {
+        'first-child': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+            {
+                if( Selector.handlers.previousElementSibling( node ) ) continue;
+                results.push( node );
+            }
+            return results;
+        },
+        'last-child': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+            {
+                if( Selector.handlers.nextElementSibling( node ) ) continue;
+                results.push( node );
+            }
+            return results;
+        },
+        'only-child': function( nodes, value, root )
+        {
+            var h = Selector.handlers;
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                if( !h.previousElementSibling( node ) && !h.nextElementSibling( node ) )
+                    results.push( node );
+            return results;
+        },
+        'nth-child':        function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, formula, root );
+        },
+        'nth-last-child':   function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, formula, root, true );
+        },
+        'nth-of-type':      function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, formula, root, false, true );
+        },
+        'nth-last-of-type': function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, formula, root, true, true );
+        },
+        'first-of-type':    function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, "1", root, false, true );
+        },
+        'last-of-type':     function( nodes, formula, root )
+        {
+            return Selector.pseudos.nth( nodes, "1", root, true, true );
+        },
+        'only-of-type':     function( nodes, formula, root )
+        {
+            var p = Selector.pseudos;
+            return p['last-of-type']( p['first-of-type']( nodes, formula, root ), formula, root );
+        },
+
+        // handles the an+b logic
+        getIndices: function( a, b, total )
+        {
+            if( a == 0 ) return b > 0 ? [b] : [];
+            return $R( 1, total ).inject( [], function( memo, i )
+            {
+                if( 0 == (i - b) % a && (i - b) / a >= 0 ) memo.push( i );
+                return memo;
+            } );
+        },
+
+        // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
+        nth: function( nodes, formula, root, reverse, ofType )
+        {
+            if( nodes.length == 0 ) return [];
+            if( formula == 'even' ) formula = '2n+0';
+            if( formula == 'odd' )  formula = '2n+1';
+            var h = Selector.handlers, results = [], indexed = [], m;
+            h.mark( nodes );
+            for( var i = 0, node; node = nodes[i]; i++ )
+            {
+                if( !node.parentNode._countedByPrototype )
+                {
+                    h.index( node.parentNode, reverse, ofType );
+                    indexed.push( node.parentNode );
+                }
+            }
+            if( formula.match( /^\d+$/ ) )
+            { // just a number
+                formula = Number( formula );
+                for( var i = 0, node; node = nodes[i]; i++ )
+                    if( node.nodeIndex == formula ) results.push( node );
+            } else if( m = formula.match( /^(-?\d*)?n(([+-])(\d+))?/ ) )
+            { // an+b
+                if( m[1] == "-" ) m[1] = -1;
+                var a = m[1] ? Number( m[1] ) : 1;
+                var b = m[2] ? Number( m[2] ) : 0;
+                var indices = Selector.pseudos.getIndices( a, b, nodes.length );
+                for( var i = 0, node, l = indices.length; node = nodes[i]; i++ )
+                {
+                    for( var j = 0; j < l; j++ )
+                        if( node.nodeIndex == indices[j] ) results.push( node );
+                }
+            }
+            h.unmark( nodes );
+            h.unmark( indexed );
+            return results;
+        },
+
+        'empty': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+            {
+                // IE treats comments as element nodes
+                if( node.tagName == '!' || node.firstChild ) continue;
+                results.push( node );
+            }
+            return results;
+        },
+
+        'not': function( nodes, selector, root )
+        {
+            var h = Selector.handlers, selectorType, m;
+            var exclusions = new Selector( selector ).findElements( root );
+            h.mark( exclusions );
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                if( !node._countedByPrototype ) results.push( node );
+            h.unmark( exclusions );
+            return results;
+        },
+
+        'enabled': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                if( !node.disabled && (!node.type || node.type !== 'hidden') )
+                    results.push( node );
+            return results;
+        },
+
+        'disabled': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                if( node.disabled ) results.push( node );
+            return results;
+        },
+
+        'checked': function( nodes, value, root )
+        {
+            for( var i = 0, results = [], node; node = nodes[i]; i++ )
+                if( node.checked ) results.push( node );
+            return results;
+        }
+    },
+
+    operators: {
+        '=':  function( nv, v )
+        {
+            return nv == v;
+        },
+        '!=': function( nv, v )
+        {
+            return nv != v;
+        },
+        '^=': function( nv, v )
+        {
+            return nv == v || nv && nv.startsWith( v );
+        },
+        '$=': function( nv, v )
+        {
+            return nv == v || nv && nv.endsWith( v );
+        },
+        '*=': function( nv, v )
+        {
+            return nv == v || nv && nv.include( v );
+        },
+        '$=': function( nv, v )
+        {
+            return nv.endsWith( v );
+        },
+        '*=': function( nv, v )
+        {
+            return nv.include( v );
+        },
+        '~=': function( nv, v )
+        {
+            return (' ' + nv + ' ').include( ' ' + v + ' ' );
+        },
+        '|=': function( nv, v )
+        {
+            return ('-' + (nv || "").toUpperCase() +
+                    '-').include( '-' + (v || "").toUpperCase() + '-' );
+        }
+    },
+
+    split: function( expression )
+    {
+        var expressions = [];
+        expression.scan( /(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function( m )
+        {
+            expressions.push( m[1].strip() );
+        } );
+        return expressions;
+    },
+
+    matchElements: function( elements, expression )
+    {
+        var matches = $$( expression ), h = Selector.handlers;
+        h.mark( matches );
+        for( var i = 0, results = [], element; element = elements[i]; i++ )
+            if( element._countedByPrototype ) results.push( element );
+        h.unmark( matches );
         return results;
-      case 'xpath':
-        return document._getElementsByXPath(this.xpath, root);
-      default:
-       return this.matcher(root);
-    }
-  },
-
-  match: function(element) {
-    this.tokens = [];
-
-    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
-    var le, p, m;
-
-    while (e && le !== e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        p = ps[i];
-        if (m = e.match(p)) {
-          // use the Selector.assertions methods unless the selector
-          // is too complex.
-          if (as[i]) {
-            this.tokens.push([i, Object.clone(m)]);
-            e = e.replace(m[0], '');
-          } else {
-            // reluctantly do a document-wide search
-            // and look for a match in the array
-            return this.findElements(document).include(element);
-          }
-        }
-      }
-    }
-
-    var match = true, name, matches;
-    for (var i = 0, token; token = this.tokens[i]; i++) {
-      name = token[0], matches = token[1];
-      if (!Selector.assertions[name](element, matches)) {
-        match = false; break;
-      }
-    }
-
-    return match;
-  },
-
-  toString: function() {
-    return this.expression;
-  },
-
-  inspect: function() {
-    return "#<Selector:" + this.expression.inspect() + ">";
-  }
-});
-
-Object.extend(Selector, {
-  _cache: { },
-
-  xpath: {
-    descendant:   "//*",
-    child:        "/*",
-    adjacent:     "/following-sibling::*[1]",
-    laterSibling: '/following-sibling::*',
-    tagName:      function(m) {
-      if (m[1] == '*') return '';
-      return "[local-name()='" + m[1].toLowerCase() +
-             "' or local-name()='" + m[1].toUpperCase() + "']";
-    },
-    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
-    id:           "[@id='#{1}']",
-    attrPresence: function(m) {
-      m[1] = m[1].toLowerCase();
-      return new Template("[@#{1}]").evaluate(m);
-    },
-    attr: function(m) {
-      m[1] = m[1].toLowerCase();
-      m[3] = m[5] || m[6];
-      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
-    },
-    pseudo: function(m) {
-      var h = Selector.xpath.pseudos[m[1]];
-      if (!h) return '';
-      if (Object.isFunction(h)) return h(m);
-      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
-    },
-    operators: {
-      '=':  "[@#{1}='#{3}']",
-      '!=': "[@#{1}!='#{3}']",
-      '^=': "[starts-with(@#{1}, '#{3}')]",
-      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
-      '*=': "[contains(@#{1}, '#{3}')]",
-      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
-      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
-    },
-    pseudos: {
-      'first-child': '[not(preceding-sibling::*)]',
-      'last-child':  '[not(following-sibling::*)]',
-      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
-      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
-      'checked':     "[@checked]",
-      'disabled':    "[(@disabled) and (@type!='hidden')]",
-      'enabled':     "[not(@disabled) and (@type!='hidden')]",
-      'not': function(m) {
-        var e = m[6], p = Selector.patterns,
-            x = Selector.xpath, le, v;
-
-        var exclusion = [];
-        while (e && le != e && (/\S/).test(e)) {
-          le = e;
-          for (var i in p) {
-            if (m = e.match(p[i])) {
-              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
-              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
-              e = e.replace(m[0], '');
-              break;
-            }
-          }
-        }
-        return "[not(" + exclusion.join(" and ") + ")]";
-      },
-      'nth-child':      function(m) {
-        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
-      },
-      'nth-last-child': function(m) {
-        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
-      },
-      'nth-of-type':    function(m) {
-        return Selector.xpath.pseudos.nth("position() ", m);
-      },
-      'nth-last-of-type': function(m) {
-        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
-      },
-      'first-of-type':  function(m) {
-        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
-      },
-      'last-of-type':   function(m) {
-        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
-      },
-      'only-of-type':   function(m) {
-        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
-      },
-      nth: function(fragment, m) {
-        var mm, formula = m[6], predicate;
-        if (formula == 'even') formula = '2n+0';
-        if (formula == 'odd')  formula = '2n+1';
-        if (mm = formula.match(/^(\d+)$/)) // digit only
-          return '[' + fragment + "= " + mm[1] + ']';
-        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
-          if (mm[1] == "-") mm[1] = -1;
-          var a = mm[1] ? Number(mm[1]) : 1;
-          var b = mm[2] ? Number(mm[2]) : 0;
-          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
-          "((#{fragment} - #{b}) div #{a} >= 0)]";
-          return new Template(predicate).evaluate({
-            fragment: fragment, a: a, b: b });
-        }
-      }
-    }
-  },
-
-  criteria: {
-    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
-    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
-    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
-    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
-    attr: function(m) {
-      m[3] = (m[5] || m[6]);
-      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
-    },
-    pseudo: function(m) {
-      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
-      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
-    },
-    descendant:   'c = "descendant";',
-    child:        'c = "child";',
-    adjacent:     'c = "adjacent";',
-    laterSibling: 'c = "laterSibling";'
-  },
-
-  patterns: {
-    // combinators must be listed first
-    // (and descendant needs to be last combinator)
-    laterSibling: /^\s*~\s*/,
-    child:        /^\s*>\s*/,
-    adjacent:     /^\s*\+\s*/,
-    descendant:   /^\s/,
-
-    // selectors follow
-    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
-    id:           /^#([\w\-\*]+)(\b|$)/,
-    className:    /^\.([\w\-\*]+)(\b|$)/,
-    pseudo:
-/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
-    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
-    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
-  },
-
-  // for Selector.match and Element#match
-  assertions: {
-    tagName: function(element, matches) {
-      return matches[1].toUpperCase() == element.tagName.toUpperCase();
-    },
-
-    className: function(element, matches) {
-      return Element.hasClassName(element, matches[1]);
-    },
-
-    id: function(element, matches) {
-      return element.id === matches[1];
-    },
-
-    attrPresence: function(element, matches) {
-      return Element.hasAttribute(element, matches[1]);
-    },
-
-    attr: function(element, matches) {
-      var nodeValue = Element.readAttribute(element, matches[1]);
-      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
-    }
-  },
-
-  handlers: {
-    // UTILITY FUNCTIONS
-    // joins two collections
-    concat: function(a, b) {
-      for (var i = 0, node; node = b[i]; i++)
-        a.push(node);
-      return a;
-    },
-
-    // marks an array of nodes for counting
-    mark: function(nodes) {
-      var _true = Prototype.emptyFunction;
-      for (var i = 0, node; node = nodes[i]; i++)
-        node._countedByPrototype = _true;
-      return nodes;
-    },
-
-    unmark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node._countedByPrototype = undefined;
-      return nodes;
-    },
-
-    // mark each child node with its position (for nth calls)
-    // "ofType" flag indicates whether we're indexing for nth-of-type
-    // rather than nth-child
-    index: function(parentNode, reverse, ofType) {
-      parentNode._countedByPrototype = Prototype.emptyFunction;
-      if (reverse) {
-        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
-          var node = nodes[i];
-          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
-        }
-      } else {
-        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
-          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
-      }
-    },
-
-    // filters out duplicates and extends all nodes
-    unique: function(nodes) {
-      if (nodes.length == 0) return nodes;
-      var results = [], n;
-      for (var i = 0, l = nodes.length; i < l; i++)
-        if (!(n = nodes[i])._countedByPrototype) {
-          n._countedByPrototype = Prototype.emptyFunction;
-          results.push(Element.extend(n));
-        }
-      return Selector.handlers.unmark(results);
-    },
-
-    // COMBINATOR FUNCTIONS
-    descendant: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        h.concat(results, node.getElementsByTagName('*'));
-      return results;
-    },
-
-    child: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        for (var j = 0, child; child = node.childNodes[j]; j++)
-          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
-      }
-      return results;
-    },
-
-    adjacent: function(nodes) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        var next = this.nextElementSibling(node);
-        if (next) results.push(next);
-      }
-      return results;
-    },
-
-    laterSibling: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        h.concat(results, Element.nextSiblings(node));
-      return results;
-    },
-
-    nextElementSibling: function(node) {
-      while (node = node.nextSibling)
-        if (node.nodeType == 1) return node;
-      return null;
-    },
-
-    previousElementSibling: function(node) {
-      while (node = node.previousSibling)
-        if (node.nodeType == 1) return node;
-      return null;
-    },
-
-    // TOKEN FUNCTIONS
-    tagName: function(nodes, root, tagName, combinator) {
-      var uTagName = tagName.toUpperCase();
-      var results = [], h = Selector.handlers;
-      if (nodes) {
-        if (combinator) {
-          // fastlane for ordinary descendant combinators
-          if (combinator == "descendant") {
-            for (var i = 0, node; node = nodes[i]; i++)
-              h.concat(results, node.getElementsByTagName(tagName));
-            return results;
-          } else nodes = this[combinator](nodes);
-          if (tagName == "*") return nodes;
-        }
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node.tagName.toUpperCase() === uTagName) results.push(node);
-        return results;
-      } else return root.getElementsByTagName(tagName);
-    },
-
-    id: function(nodes, root, id, combinator) {
-      var targetNode = $(id), h = Selector.handlers;
-      if (!targetNode) return [];
-      if (!nodes && root == document) return [targetNode];
-      if (nodes) {
-        if (combinator) {
-          if (combinator == 'child') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (targetNode.parentNode == node) return [targetNode];
-          } else if (combinator == 'descendant') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (Element.descendantOf(targetNode, node)) return [targetNode];
-          } else if (combinator == 'adjacent') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (Selector.handlers.previousElementSibling(targetNode) == node)
-                return [targetNode];
-          } else nodes = h[combinator](nodes);
-        }
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node == targetNode) return [targetNode];
-        return [];
-      }
-      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
-    },
-
-    className: function(nodes, root, className, combinator) {
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      return Selector.handlers.byClassName(nodes, root, className);
-    },
-
-    byClassName: function(nodes, root, className) {
-      if (!nodes) nodes = Selector.handlers.descendant([root]);
-      var needle = ' ' + className + ' ';
-      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
-        nodeClassName = node.className;
-        if (nodeClassName.length == 0) continue;
-        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
-          results.push(node);
-      }
-      return results;
-    },
-
-    attrPresence: function(nodes, root, attr, combinator) {
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      var results = [];
-      for (var i = 0, node; node = nodes[i]; i++)
-        if (Element.hasAttribute(node, attr)) results.push(node);
-      return results;
-    },
-
-    attr: function(nodes, root, attr, value, operator, combinator) {
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      var handler = Selector.operators[operator], results = [];
-      for (var i = 0, node; node = nodes[i]; i++) {
-        var nodeValue = Element.readAttribute(node, attr);
-        if (nodeValue === null) continue;
-        if (handler(nodeValue, value)) results.push(node);
-      }
-      return results;
-    },
-
-    pseudo: function(nodes, name, value, root, combinator) {
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      return Selector.pseudos[name](nodes, value, root);
-    }
-  },
-
-  pseudos: {
-    'first-child': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        if (Selector.handlers.previousElementSibling(node)) continue;
-          results.push(node);
-      }
-      return results;
-    },
-    'last-child': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        if (Selector.handlers.nextElementSibling(node)) continue;
-          results.push(node);
-      }
-      return results;
-    },
-    'only-child': function(nodes, value, root) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
-          results.push(node);
-      return results;
-    },
-    'nth-child':        function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root);
-    },
-    'nth-last-child':   function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, true);
-    },
-    'nth-of-type':      function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, false, true);
-    },
-    'nth-last-of-type': function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, true, true);
-    },
-    'first-of-type':    function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, "1", root, false, true);
-    },
-    'last-of-type':     function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, "1", root, true, true);
-    },
-    'only-of-type':     function(nodes, formula, root) {
-      var p = Selector.pseudos;
-      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
-    },
-
-    // handles the an+b logic
-    getIndices: function(a, b, total) {
-      if (a == 0) return b > 0 ? [b] : [];
-      return $R(1, total).inject([], function(memo, i) {
-        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
-        return memo;
-      });
-    },
-
-    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
-    nth: function(nodes, formula, root, reverse, ofType) {
-      if (nodes.length == 0) return [];
-      if (formula == 'even') formula = '2n+0';
-      if (formula == 'odd')  formula = '2n+1';
-      var h = Selector.handlers, results = [], indexed = [], m;
-      h.mark(nodes);
-      for (var i = 0, node; node = nodes[i]; i++) {
-        if (!node.parentNode._countedByPrototype) {
-          h.index(node.parentNode, reverse, ofType);
-          indexed.push(node.parentNode);
-        }
-      }
-      if (formula.match(/^\d+$/)) { // just a number
-        formula = Number(formula);
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node.nodeIndex == formula) results.push(node);
-      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
-        if (m[1] == "-") m[1] = -1;
-        var a = m[1] ? Number(m[1]) : 1;
-        var b = m[2] ? Number(m[2]) : 0;
-        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
-        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
-          for (var j = 0; j < l; j++)
-            if (node.nodeIndex == indices[j]) results.push(node);
-        }
-      }
-      h.unmark(nodes);
-      h.unmark(indexed);
-      return results;
-    },
-
-    'empty': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        // IE treats comments as element nodes
-        if (node.tagName == '!' || node.firstChild) continue;
-        results.push(node);
-      }
-      return results;
-    },
-
-    'not': function(nodes, selector, root) {
-      var h = Selector.handlers, selectorType, m;
-      var exclusions = new Selector(selector).findElements(root);
-      h.mark(exclusions);
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node._countedByPrototype) results.push(node);
-      h.unmark(exclusions);
-      return results;
-    },
-
-    'enabled': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node.disabled && (!node.type || node.type !== 'hidden'))
-          results.push(node);
-      return results;
-    },
-
-    'disabled': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (node.disabled) results.push(node);
-      return results;
-    },
-
-    'checked': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (node.checked) results.push(node);
-      return results;
-    }
-  },
-
-  operators: {
-    '=':  function(nv, v) { return nv == v; },
-    '!=': function(nv, v) { return nv != v; },
-    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
-    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
-    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
-    '$=': function(nv, v) { return nv.endsWith(v); },
-    '*=': function(nv, v) { return nv.include(v); },
-    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
-    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
-     '-').include('-' + (v || "").toUpperCase() + '-'); }
-  },
-
-  split: function(expression) {
-    var expressions = [];
-    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
-      expressions.push(m[1].strip());
-    });
-    return expressions;
-  },
-
-  matchElements: function(elements, expression) {
-    var matches = $$(expression), h = Selector.handlers;
-    h.mark(matches);
-    for (var i = 0, results = [], element; element = elements[i]; i++)
-      if (element._countedByPrototype) results.push(element);
-    h.unmark(matches);
-    return results;
-  },
-
-  findElement: function(elements, expression, index) {
-    if (Object.isNumber(expression)) {
-      index = expression; expression = false;
-    }
-    return Selector.matchElements(elements, expression || '*')[index || 0];
-  },
-
-  findChildElements: function(element, expressions) {
-    expressions = Selector.split(expressions.join(','));
-    var results = [], h = Selector.handlers;
-    for (var i = 0, l = expressions.length, selector; i < l; i++) {
-      selector = new Selector(expressions[i].strip());
-      h.concat(results, selector.findElements(element));
-    }
-    return (l > 1) ? h.unique(results) : results;
-  }
-});
-
-if (Prototype.Browser.IE) {
-  Object.extend(Selector.handlers, {
-    // IE returns comment nodes on getElementsByTagName("*").
-    // Filter them out.
-    concat: function(a, b) {
-      for (var i = 0, node; node = b[i]; i++)
-        if (node.tagName !== "!") a.push(node);
-      return a;
-    },
-
-    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
-    unmark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node.removeAttribute('_countedByPrototype');
-      return nodes;
-    }
-  });
+    },
+
+    findElement: function( elements, expression, index )
+    {
+        if( Object.isNumber( expression ) )
+        {
+            index = expression;
+            expression = false;
+        }
+        return Selector.matchElements( elements, expression || '*' )[index || 0];
+    },
+
+    findChildElements: function( element, expressions )
+    {
+        expressions = Selector.split( expressions.join( ',' ) );
+        var results = [], h = Selector.handlers;
+        for( var i = 0, l = expressions.length, selector; i < l; i++ )
+        {
+            selector = new Selector( expressions[i].strip() );
+            h.concat( results, selector.findElements( element ) );
+        }
+        return (l > 1) ? h.unique( results ) : results;
+    }
+} );
+
+if( Prototype.Browser.IE )
+{
+    Object.extend( Selector.handlers, {
+        // IE returns comment nodes on getElementsByTagName("*").
+        // Filter them out.
+        concat: function( a, b )
+        {
+            for( var i = 0, node; node = b[i]; i++ )
+                if( node.tagName !== "!" ) a.push( node );
+            return a;
+        },
+
+        // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
+        unmark: function( nodes )
+        {
+            for( var i = 0, node; node = nodes[i]; i++ )
+                node.removeAttribute( '_countedByPrototype' );
+            return nodes;
+        }
+    } );
 }
 
-function $$() {
-  return Selector.findChildElements(document, $A(arguments));
+function $$()
+{
+    return Selector.findChildElements( document, $A( arguments ) );
 }
 var Form = {
-  reset: function(form) {
-    $(form).reset();
-    return form;
-  },
-
-  serializeElements: function(elements, options) {
-    if (typeof options != 'object') options = { hash: !!options };
-    else if (Object.isUndefined(options.hash)) options.hash = true;
-    var key, value, submitted = false, submit = options.submit;
-
-    var data = elements.inject({ }, function(result, element) {
-      if (!element.disabled && element.name) {
-        key = element.name; value = $(element).getValue();
-        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
-            submit !== false && (!submit || key == submit) && (submitted = true)))) {
-          if (key in result) {
-            // a key is already present; construct an array of values
-            if (!Object.isArray(result[key])) result[key] = [result[key]];
-            result[key].push(value);
-          }
-          else result[key] = value;
-        }
-      }
-      return result;
-    });
-
-    return options.hash ? data : Object.toQueryString(data);
-  }
+    reset: function( form )
+    {
+        $( form ).reset();
+        return form;
+    },
+
+    serializeElements: function( elements, options )
+    {
+        if( typeof options != 'object' ) options = { hash: !!options };
+        else if( Object.isUndefined( options.hash ) ) options.hash = true;
+        var key, value, submitted = false, submit = options.submit;
+
+        var data = elements.inject( { }, function( result, element )
+        {
+            if( !element.disabled && element.name )
+            {
+                key = element.name;
+                value = $( element ).getValue();
+                if( value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
+                        submit !== false && (!submit || key == submit) && (submitted = true))) )
+                {
+                    if( key in result )
+                    {
+                        // a key is already present; construct an array of values
+                        if( !Object.isArray( result[key] ) ) result[key] = [result[key]];
+                        result[key].push( value );
+                    }
+                    else result[key] = value;
+                }
+            }
+            return result;
+        } );
+
+        return options.hash ? data : Object.toQueryString( data );
+    }
 };
 
 Form.Methods = {
-  serialize: function(form, options) {
-    return Form.serializeElements(Form.getElements(form), options);
-  },
-
-  getElements: function(form) {
-    return $A($(form).getElementsByTagName('*')).inject([],
-      function(elements, child) {
-        if (Form.Element.Serializers[child.tagName.toLowerCase()])
-          elements.push(Element.extend(child));
-        return elements;
-      }
-    );
-  },
-
-  getInputs: function(form, typeName, name) {
-    form = $(form);
-    var inputs = form.getElementsByTagName('input');
-
-    if (!typeName && !name) return $A(inputs).map(Element.extend);
-
-    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
-      var input = inputs[i];
-      if ((typeName && input.type != typeName) || (name && input.name != name))
-        continue;
-      matchingInputs.push(Element.extend(input));
-    }
-
-    return matchingInputs;
-  },
-
-  disable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('disable');
-    return form;
-  },
-
-  enable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('enable');
-    return form;
-  },
-
-  findFirstElement: function(form) {
-    var elements = $(form).getElements().findAll(function(element) {
-      return 'hidden' != element.type && !element.disabled;
-    });
-    var firstByIndex = elements.findAll(function(element) {
-      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
-    }).sortBy(function(element) { return element.tabIndex }).first();
-
-    return firstByIndex ? firstByIndex : elements.find(function(element) {
-      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
-    });
-  },
-
-  focusFirstElement: function(form) {
-    form = $(form);
-    form.findFirstElement().activate();
-    return form;
-  },
-
-  request: function(form, options) {
-    form = $(form), options = Object.clone(options || { });
-
-    var params = options.parameters, action = form.readAttribute('action') || '';
-    if (action.blank()) action = window.location.href;
-    options.parameters = form.serialize(true);
-
-    if (params) {
-      if (Object.isString(params)) params = params.toQueryParams();
-      Object.extend(options.parameters, params);
-    }
-
-    if (form.hasAttribute('method') && !options.method)
-      options.method = form.method;
-
-    return new Ajax.Request(action, options);
-  }
+    serialize: function( form, options )
+    {
+        return Form.serializeElements( Form.getElements( form ), options );
+    },
+
+    getElements: function( form )
+    {
+        return $A( $( form ).getElementsByTagName( '*' ) ).inject( [],
+                function( elements, child )
+                {
+                    if( Form.Element.Serializers[child.tagName.toLowerCase()] )
+                        elements.push( Element.extend( child ) );
+                    return elements;
+                }
+                );
+    },
+
+    getInputs: function( form, typeName, name )
+    {
+        form = $( form );
+        var inputs = form.getElementsByTagName( 'input' );
+
+        if( !typeName && !name ) return $A( inputs ).map( Element.extend );
+
+        for( var i = 0, matchingInputs = [], length = inputs.length; i < length; i++ )
+        {
+            var input = inputs[i];
+            if( (typeName && input.type != typeName) || (name && input.name != name) )
+                continue;
+            matchingInputs.push( Element.extend( input ) );
+        }
+
+        return matchingInputs;
+    },
+
+    disable: function( form )
+    {
+        form = $( form );
+        Form.getElements( form ).invoke( 'disable' );
+        return form;
+    },
+
+    enable: function( form )
+    {
+        form = $( form );
+        Form.getElements( form ).invoke( 'enable' );
+        return form;
+    },
+
+    findFirstElement: function( form )
+    {
+        var elements = $( form ).getElements().findAll( function( element )
+        {
+            return 'hidden' != element.type && !element.disabled;
+        } );
+        var firstByIndex = elements.findAll(
+                function( element )
+                {
+                    return element.hasAttribute( 'tabIndex' ) && element.tabIndex >= 0;
+                } ).sortBy(
+                function( element )
+                {
+                    return element.tabIndex
+                } ).first();
+
+        return firstByIndex ? firstByIndex : elements.find( function( element )
+        {
+            return ['input', 'select', 'textarea'].include( element.tagName.toLowerCase() );
+        } );
+    },
+
+    focusFirstElement: function( form )
+    {
+        form = $( form );
+        form.findFirstElement().activate();
+        return form;
+    },
+
+    request: function( form, options )
+    {
+        form = $( form ),options = Object.clone( options || { } );
+
+        var params = options.parameters, action = form.readAttribute( 'action' ) || '';
+        if( action.blank() ) action = window.location.href;
+        options.parameters = form.serialize( true );
+
+        if( params )
+        {
+            if( Object.isString( params ) ) params = params.toQueryParams();
+            Object.extend( options.parameters, params );
+        }
+
+        if( form.hasAttribute( 'method' ) && !options.method )
+            options.method = form.method;
+
+        return new Ajax.Request( action, options );
+    }
 };
 
@@ -3558 +4317 @@
 
 Form.Element = {
-  focus: function(element) {
-    $(element).focus();
-    return element;
-  },
-
-  select: function(element) {
-    $(element).select();
-    return element;
-  }
+    focus: function( element )
+    {
+        $( element ).focus();
+        return element;
+    },
+
+    select: function( element )
+    {
+        $( element ).select();
+        return element;
+    }
 };
 
 Form.Element.Methods = {
-  serialize: function(element) {
-    element = $(element);
-    if (!element.disabled && element.name) {
-      var value = element.getValue();
-      if (value != undefined) {
-        var pair = { };
-        pair[element.name] = value;
-        return Object.toQueryString(pair);
-      }
-    }
-    return '';
-  },
-
-  getValue: function(element) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    return Form.Element.Serializers[method](element);
-  },
-
-  setValue: function(element, value) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    Form.Element.Serializers[method](element, value);
-    return element;
-  },
-
-  clear: function(element) {
-    $(element).value = '';
-    return element;
-  },
-
-  present: function(element) {
-    return $(element).value != '';
-  },
-
-  activate: function(element) {
-    element = $(element);
-    try {
-      element.focus();
-      if (element.select && (element.tagName.toLowerCase() != 'input' ||
-          !['button', 'reset', 'submit'].include(element.type)))
-        element.select();
-    } catch (e) { }
-    return element;
-  },
-
-  disable: function(element) {
-    element = $(element);
-    element.disabled = true;
-    return element;
-  },
-
-  enable: function(element) {
-    element = $(element);
-    element.disabled = false;
-    return element;
-  }
+    serialize: function( element )
+    {
+        element = $( element );
+        if( !element.disabled && element.name )
+        {
+            var value = element.getValue();
+            if( value != undefined )
+            {
+                var pair = { };
+                pair[element.name] = value;
+                return Object.toQueryString( pair );
+            }
+        }
+        return '';
+    },
+
+    getValue: function( element )
+    {
+        element = $( element );
+        var method = element.tagName.toLowerCase();
+        return Form.Element.Serializers[method]( element );
+    },
+
+    setValue: function( element, value )
+    {
+        element = $( element );
+        var method = element.tagName.toLowerCase();
+        Form.Element.Serializers[method]( element, value );
+        return element;
+    },
+
+    clear: function( element )
+    {
+        $( element ).value = '';
+        return element;
+    },
+
+    present: function( element )
+    {
+        return $( element ).value != '';
+    },
+
+    activate: function( element )
+    {
+        element = $( element );
+        try
+        {
+            element.focus();
+            if( element.select && (element.tagName.toLowerCase() != 'input' ||
+                    !['button', 'reset', 'submit'].include( element.type )) )
+                element.select();
+        }
+        catch ( e )
+        {
+        }
+        return element;
+    },
+
+    disable: function( element )
+    {
+        element = $( element );
+        element.disabled = true;
+        return element;
+    },
+
+    enable: function( element )
+    {
+        element = $( element );
+        element.disabled = false;
+        return element;
+    }
 };
 
@@ -3637 +4412 @@
 
 Form.Element.Serializers = {
-  input: function(element, value) {
-    switch (element.type.toLowerCase()) {
-      case 'checkbox':
-      case 'radio':
-        return Form.Element.Serializers.inputSelector(element, value);
-      default:
-        return Form.Element.Serializers.textarea(element, value);
-    }
-  },
-
-  inputSelector: function(element, value) {
-    if (Object.isUndefined(value)) return element.checked ? element.value : null;
-    else element.checked = !!value;
-  },
-
-  textarea: function(element, value) {
-    if (Object.isUndefined(value)) return element.value;
-    else element.value = value;
-  },
-
-  select: function(element, value) {
-    if (Object.isUndefined(value))
-      return this[element.type == 'select-one' ?
-        'selectOne' : 'selectMany'](element);
-    else {
-      var opt, currentValue, single = !Object.isArray(value);
-      for (var i = 0, length = element.length; i < length; i++) {
-        opt = element.options[i];
-        currentValue = this.optionValue(opt);
-        if (single) {
-          if (currentValue == value) {
-            opt.selected = true;
-            return;
-          }
-        }
-        else opt.selected = value.include(currentValue);
-      }
-    }
-  },
-
-  selectOne: function(element) {
-    var index = element.selectedIndex;
-    return index >= 0 ? this.optionValue(element.options[index]) : null;
-  },
-
-  selectMany: function(element) {
-    var values, length = element.length;
-    if (!length) return null;
-
-    for (var i = 0, values = []; i < length; i++) {
-      var opt = element.options[i];
-      if (opt.selected) values.push(this.optionValue(opt));
-    }
-    return values;
-  },
-
-  optionValue: function(opt) {
-    // extend element because hasAttribute may not be native
-    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
-  }
+    input: function( element, value )
+    {
+        switch( element.type.toLowerCase() )
+        {
+            case 'checkbox':
+            case 'radio':
+                return Form.Element.Serializers.inputSelector( element, value );
+            default:
+                return Form.Element.Serializers.textarea( element, value );
+        }
+    },
+
+    inputSelector: function( element, value )
+    {
+        if( Object.isUndefined( value ) ) return element.checked ? element.value : null;
+        else element.checked = !!value;
+    },
+
+    textarea: function( element, value )
+    {
+        if( Object.isUndefined( value ) ) return element.value;
+        else element.value = value;
+    },
+
+    select: function( element, value )
+    {
+        if( Object.isUndefined( value ) )
+            return this[element.type == 'select-one' ?
+                    'selectOne' : 'selectMany']( element );
+        else
+        {
+            var opt, currentValue, single = !Object.isArray( value );
+            for( var i = 0, length = element.length; i < length; i++ )
+            {
+                opt = element.options[i];
+                currentValue = this.optionValue( opt );
+                if( single )
+                {
+                    if( currentValue == value )
+                    {
+                        opt.selected = true;
+                        return;
+                    }
+                }
+                else opt.selected = value.include( currentValue );
+            }
+        }
+    },
+
+    selectOne: function( element )
+    {
+        var index = element.selectedIndex;
+        return index >= 0 ? this.optionValue( element.options[index] ) : null;
+    },
+
+    selectMany: function( element )
+    {
+        var values, length = element.length;
+        if( !length ) return null;
+
+        for( var i = 0, values = []; i < length; i++ )
+        {
+            var opt = element.options[i];
+            if( opt.selected ) values.push( this.optionValue( opt ) );
+        }
+        return values;
+    },
+
+    optionValue: function( opt )
+    {
+        // extend element because hasAttribute may not be native
+        return Element.extend( opt ).hasAttribute( 'value' ) ? opt.value : opt.text;
+    }
 };
 
 /*--------------------------------------------------------------------------*/
 
-Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
-  initialize: function($super, element, frequency, callback) {
-    $super(callback, frequency);
-    this.element   = $(element);
-    this.lastValue = this.getValue();
-  },
-
-  execute: function() {
-    var value = this.getValue();
-    if (Object.isString(this.lastValue) && Object.isString(value) ?
-        this.lastValue != value : String(this.lastValue) != String(value)) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  }
-});
-
-Form.Element.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
+Abstract.TimedObserver = Class.create( PeriodicalExecuter, {
+    initialize: function( $super, element, frequency, callback )
+    {
+        $super( callback, frequency );
+        this.element = $( element );
+        this.lastValue = this.getValue();
+    },
+
+    execute: function()
+    {
+        var value = this.getValue();
+        if( Object.isString( this.lastValue ) && Object.isString( value ) ?
+                this.lastValue != value : String( this.lastValue ) != String( value ) )
+        {
+            this.callback( this.element, value );
+            this.lastValue = value;
+        }
+    }
+} );
+
+Form.Element.Observer = Class.create( Abstract.TimedObserver, {
+    getValue: function()
+    {
+        return Form.Element.getValue( this.element );
+    }
+} );
+
+Form.Observer = Class.create( Abstract.TimedObserver, {
+    getValue: function()
+    {
+        return Form.serialize( this.element );
+    }
+} );
 
 /*--------------------------------------------------------------------------*/
 
-Abstract.EventObserver = Class.create({
-  initialize: function(element, callback) {
-    this.element  = $(element);
-    this.callback = callback;
-
-    this.lastValue = this.getValue();
-    if (this.element.tagName.toLowerCase() == 'form')
-      this.registerFormCallbacks();
+Abstract.EventObserver = Class.create( {
+    initialize: function( element, callback )
+    {
+        this.element = $( element );
+        this.callback = callback;
+
+        this.lastValue = this.getValue();
+        if( this.element.tagName.toLowerCase() == 'form' )
+            this.registerFormCallbacks();
+        else
+            this.registerCallback( this.element );
+    },
+
+    onElementEvent: function()
+    {
+        var value = this.getValue();
+        if( this.lastValue != value )
+        {
+            this.callback( this.element, value );
+            this.lastValue = value;
+        }
+    },
+
+    registerFormCallbacks: function()
+    {
+        Form.getElements( this.element ).each( this.registerCallback, this );
+    },
+
+    registerCallback: function( element )
+    {
+        if( element.type )
+        {
+            switch( element.type.toLowerCase() )
+            {
+                case 'checkbox':
+                case 'radio':
+                    Event.observe( element, 'click', this.onElementEvent.bind( this ) );
+                    break;
+                default:
+                    Event.observe( element, 'change', this.onElementEvent.bind( this ) );
+                    break;
+            }
+        }
+    }
+} );
+
+Form.Element.EventObserver = Class.create( Abstract.EventObserver, {
+    getValue: function()
+    {
+        return Form.Element.getValue( this.element );
+    }
+} );
+
+Form.EventObserver = Class.create( Abstract.EventObserver, {
+    getValue: function()
+    {
+        return Form.serialize( this.element );
+    }
+} );
+if( !window.Event ) var Event = { };
+
+Object.extend( Event, {
+    KEY_BACKSPACE: 8,
+    KEY_TAB:       9,
+    KEY_RETURN:   13,
+    KEY_ESC:      27,
+    KEY_LEFT:     37,
+    KEY_UP:       38,
+    KEY_RIGHT:    39,
+    KEY_DOWN:     40,
+    KEY_DELETE:   46,
+    KEY_HOME:     36,
+    KEY_END:      35,
+    KEY_PAGEUP:   33,
+    KEY_PAGEDOWN: 34,
+    KEY_INSERT:   45,
+
+    cache: { },
+
+    relatedTarget: function( event )
+    {
+        var element;
+        switch( event.type )
+        {
+            case 'mouseover': element = event.fromElement; break;
+            case 'mouseout':  element = event.toElement;   break;
+            default: return null;
+        }
+        return Element.extend( element );
+    }
+} );
+
+Event.Methods = (function()
+{
+    var isButton;
+
+    if( Prototype.Browser.IE )
+    {
+        var buttonMap = { 0: 1, 1: 4, 2: 2 };
+        isButton = function( event, code )
+        {
+            return event.button == buttonMap[code];
+        };
+
+    } else if( Prototype.Browser.WebKit )
+    {
+        isButton = function( event, code )
+        {
+            switch( code )
+            {
+                case 0: return event.which == 1 && !event.metaKey;
+                case 1: return event.which == 1 && event.metaKey;
+                default: return false;
+            }
+        };
+
+    }
     else
-      this.registerCallback(this.element);
-  },
-
-  onElementEvent: function() {
-    var value = this.getValue();
-    if (this.lastValue != value) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  },
-
-  registerFormCallbacks: function() {
-    Form.getElements(this.element).each(this.registerCallback, this);
-  },
-
-  registerCallback: function(element) {
-    if (element.type) {
-      switch (element.type.toLowerCase()) {
-        case 'checkbox':
-        case 'radio':
-          Event.observe(element, 'click', this.onElementEvent.bind(this));
-          break;
-        default:
-          Event.observe(element, 'change', this.onElementEvent.bind(this));
-          break;
-      }
-    }
-  }
-});
-
-Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.EventObserver = Class.create(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-if (!window.Event) var Event = { };
-
-Object.extend(Event, {
-  KEY_BACKSPACE: 8,
-  KEY_TAB:       9,
-  KEY_RETURN:   13,
-  KEY_ESC:      27,
-  KEY_LEFT:     37,
-  KEY_UP:       38,
-  KEY_RIGHT:    39,
-  KEY_DOWN:     40,
-  KEY_DELETE:   46,
-  KEY_HOME:     36,
-  KEY_END:      35,
-  KEY_PAGEUP:   33,
-  KEY_PAGEDOWN: 34,
-  KEY_INSERT:   45,
-
-  cache: { },
-
-  relatedTarget: function(event) {
-    var element;
-    switch(event.type) {
-      case 'mouseover': element = event.fromElement; break;
-      case 'mouseout':  element = event.toElement;   break;
-      default: return null;
-    }
-    return Element.extend(element);
-  }
-});
-
-Event.Methods = (function() {
-  var isButton;
-
-  if (Prototype.Browser.IE) {
-    var buttonMap = { 0: 1, 1: 4, 2: 2 };
-    isButton = function(event, code) {
-      return event.button == buttonMap[code];
+    {
+        isButton = function( event, code )
+        {
+            return event.which ? (event.which === code + 1) : (event.button === code);
+        };
+    }
+
+    return {
+        isLeftClick:   function( event )
+        {
+            return isButton( event, 0 )
+        },
+        isMiddleClick: function( event )
+        {
+            return isButton( event, 1 )
+        },
+        isRightClick:  function( event )
+        {
+            return isButton( event, 2 )
+        },
+
+        element: function( event )
+        {
+            event = Event.extend( event );
+
+            var node = event.target,
+                    type = event.type,
+                    currentTarget = event.currentTarget;
+
+            if( currentTarget && currentTarget.tagName )
+            {
+                // Firefox screws up the "click" event when moving between radio buttons
+                // via arrow keys. It also screws up the "load" and "error" events on images,
+                // reporting the document as the target instead of the original image.
+                if( type === 'load' || type === 'error' ||
+                        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+                                && currentTarget.type === 'radio') )
+                    node = currentTarget;
+            }
+            if( node.nodeType == Node.TEXT_NODE ) node = node.parentNode;
+            return Element.extend( node );
+        },
+
+        findElement: function( event, expression )
+        {
+            var element = Event.element( event );
+            if( !expression ) return element;
+            var elements = [element].concat( element.ancestors() );
+            return Selector.findElement( elements, expression, 0 );
+        },
+
+        pointer: function( event )
+        {
+            var docElement = document.documentElement,
+                    body = document.body || { scrollLeft: 0, scrollTop: 0 };
+            return {
+                x: event.pageX || (event.clientX +
+                        (docElement.scrollLeft || body.scrollLeft) -
+                        (docElement.clientLeft || 0)),
+                y: event.pageY || (event.clientY +
+                        (docElement.scrollTop || body.scrollTop) -
+                        (docElement.clientTop || 0))
+            };
+        },
+
+        pointerX: function( event )
+        {
+            return Event.pointer( event ).x
+        },
+        pointerY: function( event )
+        {
+            return Event.pointer( event ).y
+        },
+
+        stop: function( event )
+        {
+            Event.extend( event );
+            event.preventDefault();
+            event.stopPropagation();
+            event.stopped = true;
+        }
     };
-
-  } else if (Prototype.Browser.WebKit) {
-    isButton = function(event, code) {
-      switch (code) {
-        case 0: return event.which == 1 && !event.metaKey;
-        case 1: return event.which == 1 && event.metaKey;
-        default: return false;
-      }
+})();
+
+Event.extend = (function()
+{
+    var methods = Object.keys( Event.Methods ).inject( { }, function( m, name )
+    {
+        m[name] = Event.Methods[name].methodize();
+        return m;
+    } );
+
+    if( Prototype.Browser.IE )
+    {
+        Object.extend( methods, {
+            stopPropagation: function()
+            {
+                this.cancelBubble = true
+            },
+            preventDefault:  function()
+            {
+                this.returnValue = false
+            },
+            inspect: function()
+            {
+                return "[object Event]"
+            }
+        } );
+
+        return function( event )
+        {
+            if( !event ) return false;
+            if( event._extendedByPrototype ) return event;
+
+            event._extendedByPrototype = Prototype.emptyFunction;
+            var pointer = Event.pointer( event );
+            Object.extend( event, {
+                target: event.srcElement,
+                relatedTarget: Event.relatedTarget( event ),
+                pageX:  pointer.x,
+                pageY:  pointer.y
+            } );
+            return Object.extend( event, methods );
+        };
+
+    }
+    else
+    {
+        Event.prototype = Event.prototype || document.createEvent( "HTMLEvents" )['__proto__'];
+        Object.extend( Event.prototype, methods );
+        return Prototype.K;
+    }
+})();
+
+Object.extend( Event, (function()
+{
+    var cache = Event.cache;
+
+    function getEventID( element )
+    {
+        if( element._prototypeEventID ) return element._prototypeEventID[0];
+        arguments.callee.id = arguments.callee.id || 1;
+        return element._prototypeEventID = [++arguments.callee.id];
+    }
+
+    function getDOMEventName( eventName )
+    {
+        if( eventName && eventName.include( ':' ) ) return "dataavailable";
+        return eventName;
+    }
+
+    function getCacheForID( id )
+    {
+        return cache[id] = cache[id] || { };
+    }
+
+    function getWrappersForEventName( id, eventName )
+    {
+        var c = getCacheForID( id );
+        return c[eventName] = c[eventName] || [];
+    }
+
+    function createWrapper( element, eventName, handler )
+    {
+        var id = getEventID( element );
+        var c = getWrappersForEventName( id, eventName );
+        if( c.pluck( "handler" ).include( handler ) ) return false;
+
+        var wrapper = function( event )
+        {
+            if( !Event || !Event.extend ||
+                    (event.eventName && event.eventName != eventName) )
+                return false;
+
+            Event.extend( event );
+            handler.call( element, event );
+        };
+
+        wrapper.handler = handler;
+        c.push( wrapper );
+        return wrapper;
+    }
+
+    function findWrapper( id, eventName, handler )
+    {
+        var c = getWrappersForEventName( id, eventName );
+        return c.find( function( wrapper )
+        {
+            return wrapper.handler == handler
+        } );
+    }
+
+    function destroyWrapper( id, eventName, handler )
+    {
+        var c = getCacheForID( id );
+        if( !c[eventName] ) return false;
+        c[eventName] = c[eventName].without( findWrapper( id, eventName, handler ) );
+    }
+
+    function destroyCache()
+    {
+        for( var id in cache )
+            for( var eventName in cache[id] )
+                cache[id][eventName] = null;
+    }
+
+
+    // Internet Explorer needs to remove event handlers on page unload
+    // in order to avoid memory leaks.
+    if( window.attachEvent )
+    {
+        window.attachEvent( "onunload", destroyCache );
+    }
+
+    // Safari has a dummy event handler on page unload so that it won't
+    // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
+    // object when page is returned to via the back button using its bfcache.
+    if( Prototype.Browser.WebKit )
+    {
+        window.addEventListener( 'unload', Prototype.emptyFunction, false );
+    }
+
+    return {
+        observe: function( element, eventName, handler )
+        {
+            element = $( element );
+            var name = getDOMEventName( eventName );
+
+            var wrapper = createWrapper( element, eventName, handler );
+            if( !wrapper ) return element;
+
+            if( element.addEventListener )
+            {
+                element.addEventListener( name, wrapper, false );
+            }
+            else
+            {
+                element.attachEvent( "on" + name, wrapper );
+            }
+
+            return element;
+        },
+
+        stopObserving: function( element, eventName, handler )
+        {
+            element = $( element );
+            var id = getEventID( element ), name = getDOMEventName( eventName );
+
+            if( !handler && eventName )
+            {
+                getWrappersForEventName( id, eventName ).each( function( wrapper )
+                {
+                    element.stopObserving( eventName, wrapper.handler );
+                } );
+                return element;
+
+            } else if( !eventName )
+            {
+                Object.keys( getCacheForID( id ) ).each( function( eventName )
+                {
+                    element.stopObserving( eventName );
+                } );
+                return element;
+            }
+
+            var wrapper = findWrapper( id, eventName, handler );
+            if( !wrapper ) return element;
+
+            if( element.removeEventListener )
+            {
+                element.removeEventListener( name, wrapper, false );
+            }
+            else
+            {
+                element.detachEvent( "on" + name, wrapper );
+            }
+
+            destroyWrapper( id, eventName, handler );
+
+            return element;
+        },
+
+        fire: function( element, eventName, memo )
+        {
+            element = $( element );
+            if( element == document && document.createEvent && !element.dispatchEvent )
+                element = document.documentElement;
+
+            var event;
+            if( document.createEvent )
+            {
+                event = document.createEvent( "HTMLEvents" );
+                event.initEvent( "dataavailable", true, true );
+            }
+            else
+            {
+                event = document.createEventObject();
+                event.eventType = "ondataavailable";
+            }
+
+            event.eventName = eventName;
+            event.memo = memo || { };
+
+            if( document.createEvent )
+            {
+                element.dispatchEvent( event );
+            }
+            else
+            {
+                element.fireEvent( event.eventType, event );
+            }
+
+            return Event.extend( event );
+        }
     };
-
-  } else {
-    isButton = function(event, code) {
-      return event.which ? (event.which === code + 1) : (event.button === code);
-    };
-  }
-
-  return {
-    isLeftClick:   function(event) { return isButton(event, 0) },
-    isMiddleClick: function(event) { return isButton(event, 1) },
-    isRightClick:  function(event) { return isButton(event, 2) },
-
-    element: function(event) {
-      event = Event.extend(event);
-
-      var node          = event.target,
-          type          = event.type,
-          currentTarget = event.currentTarget;
-
-      if (currentTarget && currentTarget.tagName) {
-        // Firefox screws up the "click" event when moving between radio buttons
-        // via arrow keys. It also screws up the "load" and "error" events on images,
-        // reporting the document as the target instead of the original image.
-        if (type === 'load' || type === 'error' ||
-          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
-            && currentTarget.type === 'radio'))
-              node = currentTarget;
-      }
-      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
-      return Element.extend(node);
-    },
-
-    findElement: function(event, expression) {
-      var element = Event.element(event);
-      if (!expression) return element;
-      var elements = [element].concat(element.ancestors());
-      return Selector.findElement(elements, expression, 0);
-    },
-
-    pointer: function(event) {
-      var docElement = document.documentElement,
-      body = document.body || { scrollLeft: 0, scrollTop: 0 };
-      return {
-        x: event.pageX || (event.clientX +
-          (docElement.scrollLeft || body.scrollLeft) -
-          (docElement.clientLeft || 0)),
-        y: event.pageY || (event.clientY +
-          (docElement.scrollTop || body.scrollTop) -
-          (docElement.clientTop || 0))
-      };
-    },
-
-    pointerX: function(event) { return Event.pointer(event).x },
-    pointerY: function(event) { return Event.pointer(event).y },
-
-    stop: function(event) {
-      Event.extend(event);
-      event.preventDefault();
-      event.stopPropagation();
-      event.stopped = true;
-    }
-  };
-})();
-
-Event.extend = (function() {
-  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
-    m[name] = Event.Methods[name].methodize();
-    return m;
-  });
-
-  if (Prototype.Browser.IE) {
-    Object.extend(methods, {
-      stopPropagation: function() { this.cancelBubble = true },
-      preventDefault:  function() { this.returnValue = false },
-      inspect: function() { return "[object Event]" }
-    });
-
-    return function(event) {
-      if (!event) return false;
-      if (event._extendedByPrototype) return event;
-
-      event._extendedByPrototype = Prototype.emptyFunction;
-      var pointer = Event.pointer(event);
-      Object.extend(event, {
-        target: event.srcElement,
-        relatedTarget: Event.relatedTarget(event),
-        pageX:  pointer.x,
-        pageY:  pointer.y
-      });
-      return Object.extend(event, methods);
-    };
-
-  } else {
-    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
-    Object.extend(Event.prototype, methods);
-    return Prototype.K;
-  }
-})();
-
-Object.extend(Event, (function() {
-  var cache = Event.cache;
-
-  function getEventID(element) {
-    if (element._prototypeEventID) return element._prototypeEventID[0];
-    arguments.callee.id = arguments.callee.id || 1;
-    return element._prototypeEventID = [++arguments.callee.id];
-  }
-
-  function getDOMEventName(eventName) {
-    if (eventName && eventName.include(':')) return "dataavailable";
-    return eventName;
-  }
-
-  function getCacheForID(id) {
-    return cache[id] = cache[id] || { };
-  }
-
-  function getWrappersForEventName(id, eventName) {
-    var c = getCacheForID(id);
-    return c[eventName] = c[eventName] || [];
-  }
-
-  function createWrapper(element, eventName, handler) {
-    var id = getEventID(element);
-    var c = getWrappersForEventName(id, eventName);
-    if (c.pluck("handler").include(handler)) return false;
-
-    var wrapper = function(event) {
-      if (!Event || !Event.extend ||
-        (event.eventName && event.eventName != eventName))
-          return false;
-
-      Event.extend(event);
-      handler.call(element, event);
-    };
-
-    wrapper.handler = handler;
-    c.push(wrapper);
-    return wrapper;
-  }
-
-  function findWrapper(id, eventName, handler) {
-    var c = getWrappersForEventName(id, eventName);
-    return c.find(function(wrapper) { return wrapper.handler == handler });
-  }
-
-  function destroyWrapper(id, eventName, handler) {
-    var c = getCacheForID(id);
-    if (!c[eventName]) return false;
-    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
-  }
-
-  function destroyCache() {
-    for (var id in cache)
-      for (var eventName in cache[id])
-        cache[id][eventName] = null;
-  }
-
-
-  // Internet Explorer needs to remove event handlers on page unload
-  // in order to avoid memory leaks.
-  if (window.attachEvent) {
-    window.attachEvent("onunload", destroyCache);
-  }
-
-  // Safari has a dummy event handler on page unload so that it won't
-  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
-  // object when page is returned to via the back button using its bfcache.
-  if (Prototype.Browser.WebKit) {
-    window.addEventListener('unload', Prototype.emptyFunction, false);
-  }
-
-  return {
-    observe: function(element, eventName, handler) {
-      element = $(element);
-      var name = getDOMEventName(eventName);
-
-      var wrapper = createWrapper(element, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.addEventListener) {
-        element.addEventListener(name, wrapper, false);
-      } else {
-        element.attachEvent("on" + name, wrapper);
-      }
-
-      return element;
-    },
-
-    stopObserving: function(element, eventName, handler) {
-      element = $(element);
-      var id = getEventID(element), name = getDOMEventName(eventName);
-
-      if (!handler && eventName) {
-        getWrappersForEventName(id, eventName).each(function(wrapper) {
-          element.stopObserving(eventName, wrapper.handler);
-        });
-        return element;
-
-      } else if (!eventName) {
-        Object.keys(getCacheForID(id)).each(function(eventName) {
-          element.stopObserving(eventName);
-        });
-        return element;
-      }
-
-      var wrapper = findWrapper(id, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.removeEventListener) {
-        element.removeEventListener(name, wrapper, false);
-      } else {
-        element.detachEvent("on" + name, wrapper);
-      }
-
-      destroyWrapper(id, eventName, handler);
-
-      return element;
-    },
-
-    fire: function(element, eventName, memo) {
-      element = $(element);
-      if (element == document && document.createEvent && !element.dispatchEvent)
-        element = document.documentElement;
-
-      var event;
-      if (document.createEvent) {
-        event = document.createEvent("HTMLEvents");
-        event.initEvent("dataavailable", true, true);
-      } else {
-        event = document.createEventObject();
-        event.eventType = "ondataavailable";
-      }
-
-      event.eventName = eventName;
-      event.memo = memo || { };
-
-      if (document.createEvent) {
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent(event.eventType, event);
-      }
-
-      return Event.extend(event);
-    }
-  };
-})());
-
-Object.extend(Event, Event.Methods);
-
-Element.addMethods({
-  fire:          Event.fire,
-  observe:       Event.observe,
-  stopObserving: Event.stopObserving
-});
-
-Object.extend(document, {
-  fire:          Element.Methods.fire.methodize(),
-  observe:       Element.Methods.observe.methodize(),
-  stopObserving: Element.Methods.stopObserving.methodize(),
-  loaded:        false
-});
-
-(function() {
-  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
+})() );
+
+Object.extend( Event, Event.Methods );
+
+Element.addMethods( {
+    fire:          Event.fire,
+    observe:       Event.observe,
+    stopObserving: Event.stopObserving
+} );
+
+Object.extend( document, {
+    fire:          Element.Methods.fire.methodize(),
+    observe:       Element.Methods.observe.methodize(),
+    stopObserving: Element.Methods.stopObserving.methodize(),
+    loaded:        false
+} );
+
+(function()
+{
+    /* Support for the DOMContentLoaded event is based on work by Dan Webb,
      Matthias Miller, Dean Edwards and John Resig. */
 
-  var timer;
-
-  function fireContentLoadedEvent() {
-    if (document.loaded) return;
-    if (timer) window.clearInterval(timer);
-    document.fire("dom:loaded");
-    document.loaded = true;
-  }
-
-  if (document.addEventListener) {
-    if (Prototype.Browser.WebKit) {
-      timer = window.setInterval(function() {
-        if (/loaded|complete/.test(document.readyState))
-          fireContentLoadedEvent();
-      }, 0);
-
-      Event.observe(window, "load", fireContentLoadedEvent);
-
-    } else {
-      document.addEventListener("DOMContentLoaded",
-        fireContentLoadedEvent, false);
-    }
-
-  } else {
-    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
-    $("__onDOMContentLoaded").onreadystatechange = function() {
-      if (this.readyState == "complete") {
-        this.onreadystatechange = null;
-        fireContentLoadedEvent();
-      }
-    };
-  }
+    var timer;
+
+    function fireContentLoadedEvent()
+    {
+        if( document.loaded ) return;
+        if( timer ) window.clearInterval( timer );
+        document.fire( "dom:loaded" );
+        document.loaded = true;
+    }
+
+    if( document.addEventListener )
+    {
+        if( Prototype.Browser.WebKit )
+        {
+            timer = window.setInterval( function()
+            {
+                if( /loaded|complete/.test( document.readyState ) )
+                    fireContentLoadedEvent();
+            }, 0 );
+
+            Event.observe( window, "load", fireContentLoadedEvent );
+
+        }
+        else
+        {
+            document.addEventListener( "DOMContentLoaded",
+                    fireContentLoadedEvent, false );
+        }
+
+    }
+    else
+    {
+        document.write( "<script id=__onDOMContentLoaded defer src=//:><\/script>" );
+        $( "__onDOMContentLoaded" ).onreadystatechange = function()
+        {
+            if( this.readyState == "complete" )
+            {
+                this.onreadystatechange = null;
+                fireContentLoadedEvent();
+            }
+        };
+    }
 })();
 /*------------------------------- DEPRECATED -------------------------------*/
@@ -4139 +5032 @@
 
 var Insertion = {
-  Before: function(element, content) {
-    return Element.insert(element, {before:content});
-  },
-
-  Top: function(element, content) {
-    return Element.insert(element, {top:content});
-  },
-
-  Bottom: function(element, content) {
-    return Element.insert(element, {bottom:content});
-  },
-
-  After: function(element, content) {
-    return Element.insert(element, {after:content});
-  }
+    Before: function( element, content )
+    {
+        return Element.insert( element, {before:content} );
+    },
+
+    Top: function( element, content )
+    {
+        return Element.insert( element, {top:content} );
+    },
+
+    Bottom: function( element, content )
+    {
+        return Element.insert( element, {bottom:content} );
+    },
+
+    After: function( element, content )
+    {
+        return Element.insert( element, {after:content} );
+    }
 };
 
-var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
+var $continue = new Error( '"throw $continue" is deprecated, use "return" instead' );
 
 // This should be moved to script.aculo.us; notice the deprecated methods
 // further below, that map to the newer Element methods.
 var Position = {
-  // set to true if needed, warning: firefox performance problems
-  // NOT neeeded for page scrolling, only if draggable contained in
-  // scrollable elements
-  includeScrollOffsets: false,
-
-  // must be called before calling withinIncludingScrolloffset, every time the
-  // page is scrolled
-  prepare: function() {
-    this.deltaX =  window.pageXOffset
+    // set to true if needed, warning: firefox performance problems
+    // NOT neeeded for page scrolling, only if draggable contained in
+    // scrollable elements
+    includeScrollOffsets: false,
+
+    // must be called before calling withinIncludingScrolloffset, every time the
+    // page is scrolled
+    prepare: function()
+    {
+        this.deltaX = window.pageXOffset
                 || document.documentElement.scrollLeft
                 || document.body.scrollLeft
                 || 0;
-    this.deltaY =  window.pageYOffset
+        this.deltaY = window.pageYOffset
                 || document.documentElement.scrollTop
                 || document.body.scrollTop
                 || 0;
-  },
-
-  // caches x/y coordinate pair to use with overlap
-  within: function(element, x, y) {
-    if (this.includeScrollOffsets)
-      return this.withinIncludingScrolloffsets(element, x, y);
-    this.xcomp = x;
-    this.ycomp = y;
-    this.offset = Element.cumulativeOffset(element);
-
-    return (y >= this.offset[1] &&
-            y <  this.offset[1] + element.offsetHeight &&
-            x >= this.offset[0] &&
-            x <  this.offset[0] + element.offsetWidth);
-  },
-
-  withinIncludingScrolloffsets: function(element, x, y) {
-    var offsetcache = Element.cumulativeScrollOffset(element);
-
-    this.xcomp = x + offsetcache[0] - this.deltaX;
-    this.ycomp = y + offsetcache[1] - this.deltaY;
-    this.offset = Element.cumulativeOffset(element);
-
-    return (this.ycomp >= this.offset[1] &&
-            this.ycomp <  this.offset[1] + element.offsetHeight &&
-            this.xcomp >= this.offset[0] &&
-            this.xcomp <  this.offset[0] + element.offsetWidth);
-  },
-
-  // within must be called directly before
-  overlap: function(mode, element) {
-    if (!mode) return 0;
-    if (mode == 'vertical')
-      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
-        element.offsetHeight;
-    if (mode == 'horizontal')
-      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
-        element.offsetWidth;
-  },
-
-  // Deprecation layer -- use newer Element methods now (1.5.2).
-
-  cumulativeOffset: Element.Methods.cumulativeOffset,
-
-  positionedOffset: Element.Methods.positionedOffset,
-
-  absolutize: function(element) {
-    Position.prepare();
-    return Element.absolutize(element);
-  },
-
-  relativize: function(element) {
-    Position.prepare();
-    return Element.relativize(element);
-  },
-
-  realOffset: Element.Methods.cumulativeScrollOffset,
-
-  offsetParent: Element.Methods.getOffsetParent,
-
-  page: Element.Methods.viewportOffset,
-
-  clone: function(source, target, options) {
-    options = options || { };
-    return Element.clonePosition(target, source, options);
-  }
+    },
+
+    // caches x/y coordinate pair to use with overlap
+    within: function( element, x, y )
+    {
+        if( this.includeScrollOffsets )
+            return this.withinIncludingScrolloffsets( element, x, y );
+        this.xcomp = x;
+        this.ycomp = y;
+        this.offset = Element.cumulativeOffset( element );
+
+        return (y >= this.offset[1] &&
+                y < this.offset[1] + element.offsetHeight &&
+                x >= this.offset[0] &&
+                x < this.offset[0] + element.offsetWidth);
+    },
+
+    withinIncludingScrolloffsets: function( element, x, y )
+    {
+        var offsetcache = Element.cumulativeScrollOffset( element );
+
+        this.xcomp = x + offsetcache[0] - this.deltaX;
+        this.ycomp = y + offsetcache[1] - this.deltaY;
+        this.offset = Element.cumulativeOffset( element );
+
+        return (this.ycomp >= this.offset[1] &&
+                this.ycomp < this.offset[1] + element.offsetHeight &&
+                this.xcomp >= this.offset[0] &&
+                this.xcomp < this.offset[0] + element.offsetWidth);
+    },
+
+    // within must be called directly before
+    overlap: function( mode, element )
+    {
+        if( !mode ) return 0;
+        if( mode == 'vertical' )
+            return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
+                    element.offsetHeight;
+        if( mode == 'horizontal' )
+            return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
+                    element.offsetWidth;
+    },
+
+    // Deprecation layer -- use newer Element methods now (1.5.2).
+
+    cumulativeOffset: Element.Methods.cumulativeOffset,
+
+    positionedOffset: Element.Methods.positionedOffset,
+
+    absolutize: function( element )
+    {
+        Position.prepare();
+        return Element.absolutize( element );
+    },
+
+    relativize: function( element )
+    {
+        Position.prepare();
+        return Element.relativize( element );
+    },
+
+    realOffset: Element.Methods.cumulativeScrollOffset,
+
+    offsetParent: Element.Methods.getOffsetParent,
+
+    page: Element.Methods.viewportOffset,
+
+    clone: function( source, target, options )
+    {
+        options = options || { };
+        return Element.clonePosition( target, source, options );
+    }
 };
 
 /*--------------------------------------------------------------------------*/
 
-if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
-  function iter(name) {
-    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
-  }
-
-  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
-  function(element, className) {
-    className = className.toString().strip();
-    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
-    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
-  } : function(element, className) {
-    className = className.toString().strip();
-    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
-    if (!classNames && !className) return elements;
-
-    var nodes = $(element).getElementsByTagName('*');
-    className = ' ' + className + ' ';
-
-    for (var i = 0, child, cn; child = nodes[i]; i++) {
-      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
-          (classNames && classNames.all(function(name) {
-            return !name.toString().blank() && cn.include(' ' + name + ' ');
-          }))))
-        elements.push(Element.extend(child));
-    }
-    return elements;
-  };
-
-  return function(className, parentElement) {
-    return $(parentElement || document.body).getElementsByClassName(className);
-  };
-}(Element.Methods);
+if( !document.getElementsByClassName ) document.getElementsByClassName = function( instanceMethods )
+{
+    function iter( name )
+    {
+        return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
+    }
+
+    instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
+            function( element, className )
+            {
+                className = className.toString().strip();
+                var cond = /\s/.test( className ) ? $w( className ).map( iter ).join( '' ) : iter( className );
+                return cond ? document._getElementsByXPath( './/*' + cond, element ) : [];
+            } : function( element, className )
+            {
+                className = className.toString().strip();
+                var elements = [], classNames = (/\s/.test( className ) ? $w( className ) : null);
+                if( !classNames && !className ) return elements;
+
+                var nodes = $( element ).getElementsByTagName( '*' );
+                className = ' ' + className + ' ';
+
+                for( var i = 0, child, cn; child = nodes[i]; i++ )
+                {
+                    if( child.className && (cn = ' ' + child.className + ' ') && (cn.include( className ) ||
+                            (classNames && classNames.all( function( name )
+                            {
+                                return !name.toString().blank() && cn.include( ' ' + name + ' ' );
+                            } ))) )
+                        elements.push( Element.extend( child ) );
+                }
+                return elements;
+            };
+
+    return function( className, parentElement )
+    {
+        return $( parentElement || document.body ).getElementsByClassName( className );
+    };
+}( Element.Methods );
 
 /*--------------------------------------------------------------------------*/
@@ -4284 +5195 @@
 Element.ClassNames = Class.create();
 Element.ClassNames.prototype = {
-  initialize: function(element) {
-    this.element = $(element);
-  },
-
-  _each: function(iterator) {
-    this.element.className.split(/\s+/).select(function(name) {
-      return name.length > 0;
-    })._each(iterator);
-  },
-
-  set: function(className) {
-    this.element.className = className;
-  },
-
-  add: function(classNameToAdd) {
-    if (this.include(classNameToAdd)) return;
-    this.set($A(this).concat(classNameToAdd).join(' '));
-  },
-
-  remove: function(classNameToRemove) {
-    if (!this.include(classNameToRemove)) return;
-    this.set($A(this).without(classNameToRemove).join(' '));
-  },
-
-  toString: function() {
-    return $A(this).join(' ');
-  }
+    initialize: function( element )
+    {
+        this.element = $( element );
+    },
+
+    _each: function( iterator )
+    {
+        this.element.className.split( /\s+/ ).select(
+                function( name )
+                {
+                    return name.length > 0;
+                } )._each( iterator );
+    },
+
+    set: function( className )
+    {
+        this.element.className = className;
+    },
+
+    add: function( classNameToAdd )
+    {
+        if( this.include( classNameToAdd ) ) return;
+        this.set( $A( this ).concat( classNameToAdd ).join( ' ' ) );
+    },
+
+    remove: function( classNameToRemove )
+    {
+        if( !this.include( classNameToRemove ) ) return;
+        this.set( $A( this ).without( classNameToRemove ).join( ' ' ) );
+    },
+
+    toString: function()
+    {
+        return $A( this ).join( ' ' );
+    }
 };
 
-Object.extend(Element.ClassNames.prototype, Enumerable);
+Object.extend( Element.ClassNames.prototype, Enumerable );
 
 /*--------------------------------------------------------------------------*/