var images = new Array();
               var photos = new Array();
               var i = 0; 
      photos[i] = "/cms/renderfile/SJUWEB2007/academics/centers/cip/img/sydney.png"; 
      i++;
      photos[i] = "/cms/renderfile/SJUWEB2007/academics/centers/cip/img/london.png"; 
      i++;
      photos[i] = "/cms/renderfile/SJUWEB2007/academics/centers/cip/img/beijing.png"; 
      i++;
               // now loop over our index of images
               for(var i=0; i < photos.length; i++) {
                  images[i] = new Image();
                  images[i].src = photos[i];
               }
               clearInterval(interval);
               var randimg= Math.round(Math.random()*(images.length-1));
               document.getElementById('banner').src= images[randimg].src;   
      
               function forward()
               {
	          // this sends the user away if they go past the end
                  if(frame >= images.length-1)
                     frame=0;
                  else
                     frame++;
          
                  document.getElementById('banner').src = images[frame].src;
               }
               var frame = randimg;
               var interval = setInterval("forward()",5000);