#file=geisa_post_getftype
#on entry: $menu_opt=...Ftypi=xxx&...Fcomi=yyy&... (POST method)
#on exit: defines $ftypi=xxx if Ftypi is defined
#                 $ftypi="" otherwise
#                 $execute_parms=$execute_parms",format='formate'" if Ftyp def.
ifs=$IFS;IFS="&";for s in $menu_opt;do
l=`expr "$s" : 'Ftypi=\(.*\)'`;[ "$l" ]&&ftypi="$l"
done;IFS=$ifs
[ "$ftypi" ]&&execute_parms=$execute_parms",format='formate'"