self.onError=null;
currentX = currentY = 0; 
whichIt = 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 = 0;
	}

	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;
		}else 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;
	}
	//document.write(lastScrollY);
}

if(NS || IE) action = window.setInterval("heartBeat()",1); //--> ½½¶óÀ̵ù ÇÔ¼ö ½ÇÇà

//À§Ä¡Àâ±â
function centerWindow() {
var xMax = document.body.clientWidth
var xOffset = (xMax+936)/2
var divMenu = document.all['floater'].style;
 if(xMax>926)
 {
  divMenu.top = 136;
  divMenu.left = xOffset;
 }
}