self.onError=null;                              
currentX = currentY = 0;                               
whichIt = null;                                         
lastScrollX = 0; lastScrollY = 0;                              
NS = (document.layers) ? 1 : 0;                             
IE = (document.all) ? 1: 0;                              
                           
function heartBeat(oObject) { 
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }           
if(diffY != lastScrollY) {            
percent = .1 * (diffY - lastScrollY);    
if(percent > 0) percent = Math.ceil(percent); 
else percent = Math.floor(percent);  
if(IE) oObject.style.pixelTop += percent;  
if(NS) oObject.top += percent;                 
lastScrollY = lastScrollY + percent;      
}                       
if(diffX != lastScrollX) {       
percent = .1 * (diffX - lastScrollX);     
if(percent > 0) percent = Math.ceil(percent);       
else percent = Math.floor(percent);                   
//if(IE) oObject.style.pixelLeft += percent;        
//if(NS) oObject.left += percent;       
lastScrollX = lastScrollX + percent;                     
}	                          
}