var cmsMessages = new Array();


      function displayAd(elementID)
      {
         var chosenMessage = cmsMessages.pop();

         if(!chosenMessage) return;

         if(chosenMessage.ad_link)
         {
            var message = '<a href="'+ chosenMessage.ad_link +'" target="_self"><img alt="'+ chosenMessage.alt_text +'" title="'+ chosenMessage.alt_text +'" border="'+ chosenMessage.border +'" src="' + chosenMessage.img + '"></a>';
         }
         else
         {
            var message = '<img alt="'+ chosenMessage.alt_text +'" title="'+ chosenMessage.alt_text +'" border="'+ chosenMessage.border +'" src="' + chosenMessage.img + '">';
         }

         var messageDiv = document.getElementById(elementID)

         if (messageDiv)
         {
            messageDiv.innerHTML = message;
         }
      }