I'm not good with JavaScript, and this is Google's code. I'm getting a object expected on this, which seems to work fine in other places.
It's the 3rd to the last line (the one with utmSetVar).
<HTML>
<HEAD>
</HEAD>
<BODY >
<script type="text/javascript">
var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script type="text/javascript">
try {
var pageTracker = _gat._getTracker("UA-159907-14");
pageTracker._trackPageview();
} catch(err) {}
</script>
<script type="text/javascript">__utmSetVar('aff/VG-CEGBWI');</script>
</BODY>
</HTML>