How i can i delete a selected item out of a listbox using php,javascript?

Question

I got 2 buttons. One is to add an item to the listbox. The other is to delete something out of the listbox. The filling happens with an array. So what I need to know is: how can i delete a selected item out of the listbox?

Thanks Stijn

Answer 1

<script type='text/javascript'>
function removeItem(selectbox)
{
var i;
for(i=selectbox.options.length-1;i>=0;i--)
{
if(selectbox.options[i].selected)
selectbox.remove(i);
}
}
</script>

<SELECT id="item" NAME="item" MULTIPLE size=6 width=10></SELECT>
<input type=button onClick="removeItem(item)"; value='Remove Selected Item'>