self.onError=null;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
function heartBeat() {
    if(IE) { 
    //diffY = document.body.scrollTop; 
    diffX = 0; 
        if (document.documentElement && !document.documentElement.scrollTop)
        {diffY = 0; }
        else if (document.documentElement && document.documentElement.scrollTop)
        {diffY = document.documentElement.scrollTop; }
        else if (document.body && document.body.scrollTop)
        {diffY = document.body.scrollTop; }
    }
    if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
    if(diffY != lastScrollY) {
        if(diffY > 120){percent = .1 * (diffY - lastScrollY-120);}
        else percent = .1 * (diffY - lastScrollY);
        
        if(percent > 0) percent = Math.ceil(percent);
        else percent = Math.floor(percent);
       
        if(IE) document.all.floater.style.pixelTop += percent;
        if(NS) document.floater.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) document.all.floater.style.pixelLeft += percent;
    
    if(NS) document.floater.top += percent;
    lastScrollY = lastScrollY + percent;
    } 
} 

if(NS || IE) action = window.setInterval("heartBeat()",50);