<!DOCTYPE html>
<script src="../../../resources/js-test-pre.js"></script>
<div tabindex="04">
<select onfocus="this.size = 10">
<optgroup tabindex="20"></optgroup>
</select>
<script>
description('Check if select type change on focus doesn\'t cause crash.');
if (!window.eventSender)
    debug('Requires DRT/WRT.');
eventSender.keyDown('\t');
eventSender.keyDown('\t');
eventSender.keyDown(' ');
testPassed('if not crashed');
</script>
<script src="../../../resources/js-test-post.js"></script>
</div>