self.onError=null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
<!-- STALKER CODE -->

function heartBeat() {
	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) 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.left += percent;
		lastScrollX = lastScrollX + percent;
	}	
}

<!-- /STALKER CODE -->

if(NS || IE) action = window.setInterval("heartBeat()",1);