I know this was posted before, but can't seem to find the solution.  I want to prevent the SFDC pop ad appearing everytime I change apps or go near the setup link.  I used this code in Message and Alerts before and it seemed to work for a while, but now is back and driving me nuts.  Please help.

 

<script type="text/javascript">
setCookie('sawBanner', 'unlimitedEdition');
</script>