self.onError=null;    
        
minimumY=53  
lastScrollY = 0;

function heartBeat() {
        
   diffY = document.body.scrollTop+minimumY;
   if(diffY != lastScrollY) {
         percent = .1 * (diffY - lastScrollY);
         if(percent > 0) percent = Math.ceil(percent);
         else percent = Math.floor(percent);
		 if(document.all.slide){
           document.all.slide.style.pixelTop += percent;
		 }
         lastScrollY = lastScrollY + percent;
   }//eoIf
                    
}//eoFn
         
 action = window.setInterval("heartBeat()",1);