If it works when you remove your doctype this poses the question of what doctype you are using?

If it is an XHTML variant it is probably because you have to use special comment tags around your code

Code: Select all

<script type="text/javascript">
<!-- // --><![CDATA[
// ]]>
</script>

otherwise XHTML characters within the javascript code isn't treated as javascript, it's taken as the XHTML literals.