<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="html" omit-xml-declaration="yes"/>
<xsl:template match="/">
<div id="adLoader">
<script type="text/javascript"><!--
google_ad_client = "pub-46995950346080";
/* 120x240, created 6/4/08 */
google_ad_slot = "9208350676";
google_ad_width = 120;
google_ad_height = 240;
//-->
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
<script type="text/javascript">
var leftNav = document.getElementById('IWS_WH_Elem_LeftNav');
leftNav.appendChild(document.getElementById('adLoader'));
</script>
</xsl:template>
</xsl:stylesheet>
3. Add <![CDATA[ before the comment tag <!-- and add ]]> after the ending comment tag -->.
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="html" omit-xml-declaration="yes"/>
<xsl:template match="/">
<div id="adLoader">
<script type="text/javascript"><![CDATA[<!--
google_ad_client = "pub-46995950346080";
/* 120x240, created 6/4/08 */
google_ad_slot = "9208350676";
google_ad_width = 120;
google_ad_height = 240;
//-->]]>
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
</div>
<script type="text/javascript">
var leftNav = document.getElementById('IWS_WH_Elem_LeftNav');
leftNav.appendChild(document.getElementById('adLoader'));
</script>
</xsl:template>
</xsl:stylesheet>
4. Next use a custom footer module, and paste the completed code from notepad into the custom footer module, removing everything else that was previously in the custom footer module.