Could you try this code in firefox, this code is your yavascript code i have not changed it. I have only changed after <body> tag. This Code runs in ie6 but not works in firefox.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Multiple select boxes</title>
<?
foreach($_POST['toBox'] as $key=>$value){
echo $key.":".$value."<br>";
}
?>
<style type="text/css">
body{
background-color:#FFF;
font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif;
}
.multipleSelectBoxControl span{ /* Labels above select boxes*/
font-family:arial;
font-size:11px;
font-weight:bold;
}
.multipleSelectBoxControl div option{ /* Select box layout */
font-family:arial;
}
.multipleSelectBoxControl div select{
height:100%;
}
.multipleSelectBoxControl input{ /* Small butons */
width:25px;
}
.multipleSelectBoxControl div{
float:left;
}
fieldset{
width:500px;
margin:10px;
}
img{
border:0px;
}
</style>
<script type="text/javascript">
/************************************************************************************************************
(C)
www.dhtmlgoodies.com, October 2005
This is a script from
www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.
Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.
Thank you!
www.dhtmlgoodies.com
Alf Magne Kalleland
************************************************************************************************************/
var fromBoxArray = new Array();
var toBoxArray = new Array();
var selectBoxIndex = 0;
var arrayOfItemsToSelect = new Array();
function moveSingleElement()
{
var selectBoxIndex = this.parentNode.parentNode.id.replace(/[^\d]/g,'');
var tmpFromBox;
var tmpToBox;
if(this.tagName.toLowerCase()=='select'){
tmpFromBox = this;
if(tmpFromBox==fromBoxArray[selectBoxIndex])tmpToBox = toBoxArray[selectBoxIndex]; else tmpToBox = fromBoxArray[selectBoxIndex];
}else{
if(this.value.indexOf('>')>=0){
tmpFromBox = fromBoxArray[selectBoxIndex];
tmpToBox = toBoxArray[selectBoxIndex];
}else{
tmpFromBox = toBoxArray[selectBoxIndex];
tmpToBox = fromBoxArray[selectBoxIndex];
}
}
for(var no=0;no<tmpFromBox.options.length;no++){
if(tmpFromBox.options[no].selected){
tmpFromBox.options[no].selected = false;
tmpToBox.options[tmpToBox.options.length] = new Option(tmpFromBox.options[no].text,tmpFromBox.options[no].value);
for(var no2=no;no2<(tmpFromBox.options.length-1);no2++){
tmpFromBox.options[no2].value = tmpFromBox.options[no2+1].value;
tmpFromBox.options[no2].text = tmpFromBox.options[no2+1].text;
tmpFromBox.options[no2].selected = tmpFromBox.options[no2+1].selected;
}
no = no -1;
tmpFromBox.options.length = tmpFromBox.options.length-1;
}
}
var tmpTextArray = new Array();
for(var no=0;no<tmpFromBox.options.length;no++){
tmpTextArray.push(tmpFromBox.options[no].text + '___' + tmpFromBox.options[no].value);
}
tmpTextArray.sort();
var tmpTextArray2 = new Array();
for(var no=0;no<tmpToBox.options.length;no++){
tmpTextArray2.push(tmpToBox.options[no].text + '___' + tmpToBox.options[no].value);
}
tmpTextArray2.sort();
for(var no=0;no<tmpTextArray.length;no++){
var items = tmpTextArray[no].split('___');
tmpFromBox.options[no] = new Option(items[0],items[1]);
}
for(var no=0;no<tmpTextArray2.length;no++){
var items = tmpTextArray2[no].split('___');
tmpToBox.options[no] = new Option(items[0],items[1]);
}
}
function sortAllElement(boxRef)
{
var tmpTextArray2 = new Array();
for(var no=0;no<boxRef.options.length;no++){
tmpTextArray2.push(boxRef.options[no].text + '___' + boxRef.options[no].value);
}
tmpTextArray2.sort();
for(var no=0;no<tmpTextArray2.length;no++){
var items = tmpTextArray2[no].split('___');
boxRef.options[no] = new Option(items[0],items[1]);
}
}
function moveAllElements()
{
var selectBoxIndex = this.parentNode.parentNode.id.replace(/[^\d]/g,'');
var tmpFromBox;
var tmpToBox;
if(this.value.indexOf('>')>=0){
tmpFromBox = fromBoxArray[selectBoxIndex];
tmpToBox = toBoxArray[selectBoxIndex];
}else{
tmpFromBox = toBoxArray[selectBoxIndex];
tmpToBox = fromBoxArray[selectBoxIndex];
}
for(var no=0;no<tmpFromBox.options.length;no++){
tmpToBox.options[tmpToBox.options.length] = new Option(tmpFromBox.options[no].text,tmpFromBox.options[no].value);
}
tmpFromBox.options.length=0;
sortAllElement(tmpToBox);
}
/* This function highlights options in the "to-boxes". It is needed if the values should be remembered after submit. Call this function onsubmit for your form */
function multipleSelectOnSubmit()
{
for(var no=0;no<arrayOfItemsToSelect.length;no++){
var obj = arrayOfItemsToSelect[no];
for(var no2=0;no2<obj.options.length;no2++){
obj.options[no2].selected = true;
}
}
}
function createMovableOptions(fromBox,toBox,totalWidth,totalHeight,labelLeft,labelRight)
{
fromObj = document.getElementById(fromBox);
toObj = document.getElementById(toBox);
arrayOfItemsToSelect[arrayOfItemsToSelect.length] = toObj;
fromObj.ondblclick = moveSingleElement;
toObj.ondblclick = moveSingleElement;
fromBoxArray.push(fromObj);
toBoxArray.push(toObj);
var parentEl = fromObj.parentNode;
var parentDiv = document.createElement('DIV');
parentDiv.className='multipleSelectBoxControl';
parentDiv.id = 'selectBoxGroup' + selectBoxIndex;
parentDiv.style.width = totalWidth + 'px';
parentDiv.style.height = totalHeight + 'px';
parentEl.insertBefore(parentDiv,fromObj);
var subDiv = document.createElement('DIV');
subDiv.style.width = (Math.floor(totalWidth/2) - 15) + 'px';
fromObj.style.width = (Math.floor(totalWidth/2) - 15) + 'px';
var label = document.createElement('SPAN');
label.innerHTML = labelLeft;
subDiv.appendChild(label);
subDiv.appendChild(fromObj);
subDiv.className = 'multipleSelectBoxDiv';
parentDiv.appendChild(subDiv);
var buttonDiv = document.createElement('DIV');
buttonDiv.style.verticalAlign = 'middle';
buttonDiv.style.paddingTop = (totalHeight/2) - 50 + 'px';
buttonDiv.style.width = '30px';
buttonDiv.style.textAlign = 'center';
parentDiv.appendChild(buttonDiv);
var buttonRight = document.createElement('INPUT');
buttonRight.type='button';
buttonRight.value = '>';
buttonDiv.appendChild(buttonRight);
buttonRight.onclick = moveSingleElement;
var buttonAllRight = document.createElement('INPUT');
buttonAllRight.type='button';
buttonAllRight.value = '>>';
buttonAllRight.onclick = moveAllElements;
buttonDiv.appendChild(buttonAllRight);
var buttonLeft = document.createElement('INPUT');
buttonLeft.style.marginTop='10px';
buttonLeft.type='button';
buttonLeft.value = '<';
buttonLeft.onclick = moveSingleElement;
buttonDiv.appendChild(buttonLeft);
var buttonAllLeft = document.createElement('INPUT');
buttonAllLeft.type='button';
buttonAllLeft.value = '<<';
buttonAllLeft.onclick = moveAllElements;
buttonDiv.appendChild(buttonAllLeft);
var subDiv = document.createElement('DIV');
subDiv.style.width = (Math.floor(totalWidth/2) - 15) + 'px';
toObj.style.width = (Math.floor(totalWidth/2) - 15) + 'px';
var label = document.createElement('SPAN');
label.innerHTML = labelRight;
subDiv.appendChild(label);
subDiv.appendChild(toObj);
parentDiv.appendChild(subDiv);
toObj.style.height = (totalHeight - label.offsetHeight) + 'px';
fromObj.style.height = (totalHeight - label.offsetHeight) + 'px';
selectBoxIndex++;
}
</script>
</head>
<body>
<table>
<form action="multiple.php" method="post" onsubmit="multipleSelectOnSubmit();">
<tr>
<td>
<select multiple name="fromBox[]" id="fromBox">
<option value="3">Finland</option>
<option value="4">France</option>
<option value="6">Mexico</option>
<option value="1">Norway</option>
<option value="5">Spain</option>
<option value="2">United Kingdom</option>
</select>
<select multiple name="toBox[]" id="toBox">
<option value="12">Canada</option>
<option value="13">Germany</option>
<option value="11">United States</option>
</select>
</td>
</tr>
<tr>
<td>
<input type="submit" value="OK">
</td>
</tr>
</form>
<script type="text/javascript">
createMovableOptions("fromBox","toBox",500,200,"List From","List To");
</script>
</table>
</body>
</html>