While working on a client's site today I came across this gem that I thought you might enjoy. I'll let the snippet speak for itself.
[code:html]
<script type="text/javascript">
document.write('<');
document.write('!-- ');
</script>
<!--
<noscript>
(Removed to protect anonymity of client)
</noscript>
<!--//-->
[/code]
*Smacks Forehead*