function AddReferralCode()  {
   var footerDiv = YD.get("footer");
   if (footerDiv)  {
     var links = footerDiv.getElementsByTagName("A");
     if (links && (links.length != 0)) {
       var smugLink = links.item(0);
       smugLink.href = "http://www.smugmug.com/?referrer=JM1CYaZ4PEkFA";
     }
  }
}
YE.onAvailable('footer', AddReferralCode);