How to unselect an item in a multiselect list?

Hi all,
I am displaying a static lov as a multiselect list. And when I select the item in the list, the item is highlighted and I am displaying a region. Now I need to unselect that item and hide the corresponding region. No database transaction is involved. Can anyone please give me some hints?
Rgds,
Suma.

When you use a select list that allows for multiple selections, the "value" attribute is only the first one selected.
For example, if you had 3 options on the list with their "value" attributes set as "A", "B" and "C" and selected A and C, alert(document.getElementById("xxx").value) would display "A" not "A;C".
What you need to do is to loop through each of the options and see if its "selected" value is "true". Something like:
function testForSelected()
var i;
var x = document.getElementById("X");
var o;
for (i = 0; i < x.options.length; i++)
o = x.options;
if (o.value == "A" && o.selected == true)
alert("A is selected");
Where "X" is the multiselect list and "A" is the value of the option item you want to test for. Replace alert(...) with your show/hide function call.
Regards
Andy

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