Ads no longer displaying?

I just finished redesigning our club's website from straight HTML to Drupal. To do this without disrupting the site, I configured my Apache server for virtual hosts and created a test site for Drupal implementation. I got the test site fully functional including the Ad module. When done, I renamed the old site directory and then renamed the test site directory to the old site directory.

/var/www/michiganantiqieradio.org to /var/www/old.michiganantiqueradio.org

/var/www/test.michiganantiqueradio.org to /var/www/michiganantiqueradio.org

I made the necessary changes to the Apache configuration to accommodate this. Note that I do not have Drupal configured for multiple sites, just Apache server. Everything works except for the ads. I tried to uninstall Ad and reinstall and configure from scratch, but this did not help. When I view the source for the ads, this is what is generated:

<div id="block-ad-4" class="block block-ad region-odd even region-count-1 count-2 block-1"><div class="block-inner">
 
      <h2 class="title">Sponsors</h2>
  
  <div class="content">
    
<div style="display:none"><script type='text/javascript' src='http://www.michiganantiqueradio.org/sites/all/modules/ad/serve.php?q=3&amp;t=4&amp;u=node%2F8&amp;l=content%2Fwelcome'></script></div>
  </div>
 
  
</div></div> <!-- /block-inner, /block -->

This is strange because the div style is "display:none" and the "src" attribute has "&" metacharacters embedded in it instead of hard "&". Any ideas how to fix this?