[b]switch.js[/b]
Array.prototype.in_array = function (element) // Thanks to Haytjes
{
var retur = false;
for (var values in this)
{
if (this[values] == element)
{
retur = true;
break;
}
}
return retur;
};
function transport(form, source, target)
{
var Items = new Array();
var Index = new Array();
var T_Items = new Array();
for( var i = 0 ; i < document.forms[form].elements[target].length ; i++) {
T_Items[ T_Items.length ] = document.forms[form].elements[target].options[i].value;
}
//put in array
for( var i = 0 ; i < document.forms[form].elements[source].length ; i++ ) {
if(document.forms[form].elements[source].options[i].selected) {
Items[ Items.length ] = new Array( document.forms[form].elements[source].options[i].text , document.forms[form].elements[source].options[i].value);
Index[ Index.length ] = i;
}
}
//put the values in the target :D
for( var i = 0 ; i < Items.length ; i++ ) {
if(T_Items.in_array(Items[i]) == false) {
document.forms[form].elements[target].options[ document.forms[form].elements[target].length ] = new Option( Items[i][0] , Items[i][1] );
}
}
//destroy in the source
for( var i = Index.length ; i > 0 ; i-- )
{
document.forms[form].elements[source].remove( Index[i-1] );
}
}
[b]Voorbeeld.htm[/b]