1 | /****************************************************************************** |
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2 | Function LoadProduct |
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3 | Called when the selection of the parameter change |
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4 | This function loads the list of the products in the select "Product" |
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5 | |
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6 | It calls a function php who loads the list |
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7 | ******************************************************************************/ |
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8 | function LoadProduct() |
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9 | { |
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10 | |
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11 | //CHange the display |
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12 | document.getElementById("ProductLine").style.visibility='visible'; |
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13 | // document.getElementById('FirstDateLine').style.visibility='hidden'; |
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14 | // document.getElementById('SecondDateLine').style.visibility='hidden'; |
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15 | // document.getElementById('Month1').style.visibility='hidden'; |
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16 | // document.getElementById('Month2').style.visibility='hidden'; |
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17 | // document.getElementById('Day1').style.visibility='hidden'; |
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18 | // document.getElementById('Day2').style.visibility='hidden'; |
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19 | // document.getElementById('DFFLine').style.visibility='hidden'; |
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20 | // document.getElementById('DFCLine').style.visibility='hidden'; |
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21 | // document.getElementById('Valid').style.visibility='hidden'; |
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22 | // document.getElementById('Dates').style.visibility='hidden'; |
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23 | // document.getElementById('ZoneStudy').style.visibility='hidden'; |
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24 | // document.getElementById('Output').style.visibility='hidden'; |
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25 | |
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26 | |
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27 | //Clear the select "Parameter" |
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28 | document.getElementById("Product").options.length = 0; |
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29 | |
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30 | ValParameter=document.getElementById("Parameter").value; |
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31 | ValParameter=ValParameter.split("-"); |
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32 | ValParameter=ValParameter[0]; |
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33 | //call of the php function |
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34 | texte=file('http://zeus.medias.cnes.fr/eccad/CODEPHP/LoadProducts.php?id_param='+escape(ValParameter)); |
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35 | /*Form of the result of the function: |
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36 | idprod1,NameProd1>idprod2,NameProd2 |
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37 | */ |
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38 | //create the table with the list of Products |
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39 | TabProducts=texte.split(">"); |
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40 | for(i=0;i<TabProducts.length-1;i++) |
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41 | { |
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42 | ProductIdText=TabProducts[i].split(","); |
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43 | var element = document.createElement("option"); |
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44 | //insert id |
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45 | element.value = ProductIdText[0]+"-"+ProductIdText[1]; |
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46 | //insert text |
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47 | element.text = ProductIdText[1]; |
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48 | document.getElementById("Product").add(element, null); |
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49 | } |
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50 | } |
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51 | |
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52 | |
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53 | |
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54 | /****************************************************************************** |
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55 | Function LoadDate |
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56 | This function displays 1 or 2 dates. |
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57 | According to Period display month and day |
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58 | Possible evolution: change month and day according to selected year |
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59 | ******************************************************************************/ |
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60 | |
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61 | function LoadDate() |
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62 | { |
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63 | //Chose the type of study |
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64 | NbDate=StudyType(); |
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65 | |
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66 | //First Date Last Date |
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67 | //Period of the data |
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68 | ValProduct=document.getElementById("Product").value; |
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69 | ValProduct=ValProduct.split("-"); |
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70 | ValProduct=ValProduct[0] |
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71 | texte=file('http://zeus.medias.cnes.fr/eccad/CODEPHP/LoadDates.php?id_produit='+ValProduct); |
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72 | /* |
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73 | Form of the result: |
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74 | Period of the data>First Date>Last Date |
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75 | */ |
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76 | Period_begin_end=texte.split(">"); |
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77 | Period=Period_begin_end[0]; |
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78 | Period=Period.substring(0,Period.length-4) |
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79 | Period=parseFloat(Period); |
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80 | Date1=Period_begin_end[1].split("-"); // Date=[Year, Month, Day] |
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81 | Date2=Period_begin_end[2].split("-"); |
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82 | |
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83 | document.getElementById("ZoneStudy").style.visibility='visible'; |
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84 | document.getElementById('Valid').style.visibility='visible'; |
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85 | document.getElementById("Output").style.visibility='visible'; |
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86 | document.getElementById('DFFLine').style.visibility='visible'; |
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87 | document.getElementById('DFCLine').style.visibility='visible'; |
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88 | document.getElementById("Dates").style.visibility='visible'; |
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89 | |
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90 | |
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91 | //Display First Date |
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92 | // document.getElementById("FirstDateLine").style.visibility='visible'; |
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93 | document.getElementById("Year1").options.length = 0; |
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94 | document.getElementById("Month1").options.length = 0; |
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95 | document.getElementById("Day1").options.length = 0; |
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96 | for(i=Date1[0]; i<=Date2[0]; i++) |
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97 | { |
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98 | var element = document.createElement("option"); |
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99 | element.text = i+''; |
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100 | element.value = i+''; |
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101 | document.getElementById("Year1").add(element, null); |
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102 | } |
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103 | //Display Month (or not) |
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104 | if(Period<=30) |
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105 | { |
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106 | for(i=1; i<=12; i++) |
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107 | { |
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108 | var element = document.createElement("option"); |
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109 | element.text = i+''; |
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110 | element.value = i+''; |
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111 | document.getElementById("Month1").add(element, null); |
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112 | } |
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113 | document.getElementById("Month1").style.visibility='visible'; |
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114 | } |
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115 | else { |
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116 | document.getElementById("Month1").style.visibility='hidden'; |
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117 | } |
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118 | |
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119 | //Display Day (or not) |
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120 | if(Period<30) |
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121 | { |
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122 | for(i=1; i<=31; i++) |
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123 | { |
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124 | var element = document.createElement("option"); |
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125 | element.text = i+''; |
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126 | element.value = i+''; |
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127 | document.getElementById("Day1").add(element, null); |
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128 | } |
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129 | document.getElementById("Day1").style.visibility='visible'; |
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130 | } |
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131 | else { |
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132 | document.getElementById("Day1").style.visibility='hidden'; |
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133 | } |
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134 | |
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135 | |
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136 | //Display second date |
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137 | if(NbDate==2) |
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138 | { |
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139 | // document.getElementById('FirstDate').innerHTML='First Date'; |
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140 | document.getElementById("SecondDateLine").style.visibility='visible'; |
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141 | document.getElementById("Year2").options.length = 0; |
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142 | document.getElementById("Month2").options.length = 0; |
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143 | document.getElementById("Day2").options.length = 0; |
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144 | for(i=Date1[0]; i<=Date2[0]; i++) |
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145 | { |
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146 | var element = document.createElement("option"); |
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147 | element.text = i+''; |
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148 | element.value = i+''; |
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149 | document.getElementById("Year2").add(element, null); |
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150 | } |
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151 | //Display Month (or not) |
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152 | if(Period<=30) |
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153 | { |
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154 | for(i=1; i<=12; i++) |
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155 | { |
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156 | var element = document.createElement("option"); |
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157 | element.text = i+''; |
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158 | element.value = i+''; |
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159 | document.getElementById("Month2").add(element, null); |
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160 | } |
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161 | document.getElementById("Month2").style.visibility='visible'; |
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162 | } |
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163 | else { |
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164 | document.getElementById("Month2").style.visibility='hidden'; |
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165 | } |
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166 | |
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167 | //Display Day (or not) |
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168 | if(Period<30) |
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169 | { |
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170 | for(i=1; i<=31; i++) |
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171 | { |
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172 | var element = document.createElement("option"); |
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173 | element.text = i+''; |
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174 | element.value = i+''; |
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175 | document.getElementById("Day2").add(element, null); |
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176 | } |
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177 | document.getElementById("Day2").style.visibility='visible'; |
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178 | } |
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179 | else { |
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180 | document.getElementById("Day2").style.visibility='hidden'; |
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181 | } |
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182 | } |
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183 | else { |
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184 | // document.getElementById('FirstDate').innerHTML='Date'; |
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185 | document.getElementById("SecondDateLine").style.visibility='hidden'; |
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186 | document.getElementById("Day2").style.visibility='hidden'; |
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187 | document.getElementById("Month2").style.visibility='hidden'; |
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188 | } |
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189 | } |
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190 | |
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191 | |
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192 | |
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193 | |
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194 | |
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195 | /****************************************************************************** |
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196 | Function VerifyDate |
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197 | This functions checks if the fist date is not after the last |
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198 | ******************************************************************************/ |
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199 | function VerifyDate() |
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200 | { |
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201 | var Year1=document.getElementById("Year1").value; |
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202 | var Month1=document.getElementById("Month1").value; |
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203 | var Day1=document.getElementById("Day1").value; |
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204 | var Year2=document.getElementById("Year2").value; |
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205 | var Month2=document.getElementById("Month2").value; |
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206 | var Day2=document.getElementById("Day2").value; |
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207 | Date1 = new Date(Year1, Month1, Day1); |
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208 | Date2 = new Date(Year2, Month2, Day2); |
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209 | if(Date2.getTime() - Date1.getTime() < 0){ |
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210 | document.getElementById('ErrorDate').innerHTML='<span style="color:#cc0000">First Date is later than last</span>'; |
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211 | } |
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212 | else{ |
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213 | document.getElementById('ErrorDate').innerHTML=''; |
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214 | } |
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215 | |
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216 | } |
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217 | |
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218 | |
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219 | /****************************************************************************** |
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220 | Function VerifyArea |
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221 | This functions verify the format of the coordinate |
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222 | ******************************************************************************/ |
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223 | function VerifyArea() |
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224 | { |
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225 | var UpLeftLat=parseFloat(document.getElementById("UpLeftLat").value); |
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226 | var UpLeftLon=parseFloat(document.getElementById("UpLeftLon").value); |
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227 | var LowRightLat=parseFloat(document.getElementById("LowRightLat").value); |
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228 | var LowRightLon=parseFloat(document.getElementById("LowRightLon").value); |
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229 | if(UpLeftLat+UpLeftLon+LowRightLat+LowRightLon == Number.NaN){ |
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230 | document.getElementById('ErrorArea').innerHTML='<span style="color:#cc0000">Invalid coordinates</span>'; |
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231 | } |
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232 | else |
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233 | { |
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234 | if(UpLeftLat<LowRightLat|| UpLeftLon>LowRightLon){ |
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235 | document.getElementById('ErrorArea').innerHTML='<span style="color:#cc0000">Invalid coordinates</span>'; |
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236 | } |
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237 | else{ |
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238 | document.getElementById('ErrorArea').innerHTML=''; |
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239 | } |
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240 | } |
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241 | } |
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242 | |
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243 | |
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244 | |
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245 | |
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246 | /****************************************************************************** |
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247 | Function StudyType |
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248 | Return the number of date to display. |
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249 | This information should be in the database or in configuration file |
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250 | ******************************************************************************/ |
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251 | function StudyType() |
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252 | { |
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253 | var list= document.getElementById('Parameter').options; |
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254 | for(var i=0; i<list.length; i++) |
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255 | { |
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256 | if(list[i].selected) NameParameter=list[i].text; |
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257 | } |
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258 | |
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259 | NameParameter=NameParameter.toLowerCase(); |
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260 | switch (NameParameter) |
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261 | { |
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262 | case 'burnt area': |
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263 | return 2; |
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264 | break; |
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265 | case "population": |
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266 | return 2; |
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267 | break; |
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268 | case 'vegetation species': |
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269 | return 1; |
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270 | break; |
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271 | default: |
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272 | return 1; |
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273 | break; |
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274 | } |
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275 | } |
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276 | |
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277 | |
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278 | //This functions read the function php |
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279 | function file(fichier) |
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280 | { |
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281 | if(window.XMLHttpRequest) // FIREFOX |
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282 | xhr_object = new XMLHttpRequest(); |
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283 | else if(window.ActiveXObject) // IE |
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284 | xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); |
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285 | else |
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286 | return(false); |
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287 | xhr_object.open("GET", fichier, false); |
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288 | xhr_object.send(null); |
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289 | if(xhr_object.readyState == 4) return(xhr_object.responseText); |
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290 | else return(false); |
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291 | } |
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