javascript get multiple select

 

function getMultiple(ob)
{
 var arSelected = new Array();
 arSelected = new Array();
    while (ob.selectedIndex != -1)
    {
  arSelected.push(ob.options[ob.selectedIndex].value);
        ob.options[ob.selectedIndex].selected = false;
    }
    // You can use the arSelected array for further processing.
 alert(arSelected.toString());
}
</script>

<form name='frmSelect'>

<select name='numbers' multiple='multiple' >
<option value='1'>One</option>
<option value='2'>Two</option>
<option value='3'>Three</option>
<option value='4'>Four</option>
<option value='5'>Five</option>
</select>

<input type='button' value='Submit' onclick="getMultiple(document.frmSelect.numbers);"/>
</form>