Code: Select all
<script type="text/javascript">
function selectItem() {
$F('foo').select('1'); // where 1 is the corresponding value
}
</script>
<select id="foo" name="bar">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input onclick="selectItem();" type="button" value="Select Item" />