<!--

//스크롤바를 따라다니는 TOP 버튼 레이어

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) 
	{
		if(!document.body) return false;
		diffY = document.body.scrollTop;
		diffX = 0; 	
	}
	if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	if(diffY != lastScrollY) {
	percent = 0.1 * (diffY - lastScrollY);
	if(percent > 0) percent = Math.ceil(percent);
	else percent = Math.floor(percent);
	if(IE)
	{
		if(!document.all.floater) return false;
		document.all.floater.style.pixelTop += percent;
	}
	if(NS) document.floater.top += percent; 
	lastScrollY = lastScrollY + percent;
	}
	if(diffX != lastScrollX) {
	percent = 0.1 * (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()",1);

//-->