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(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.top += percent;

			lastScrollY = lastScrollY + percent;

		}	

	}	

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














// ¿À¸¥ÂÊ Äü
function moveLayerTo()
{
	var yOffset;
	var startYFromPreview = parseInt(document.all["previewLayer"].style.top);
	var moveYTo = document.body.scrollTop + -65;
	var intervalTime =0.1;
	
	if(Math.abs(startYFromPreview - moveYTo) > 5)
	{
		yOffset = Math.ceil(Math.abs( moveYTo - startYFromPreview ) / 10);
		if(moveYTo < startYFromPreview)
			yOffset = -yOffset;
		document.all["previewLayer"].style.top = parseInt(document.all["previewLayer"].style.top) + yOffset;
	}
	else
	{
		document.all["previewLayer"].style.top = moveYTo;
	}

	setTimeout("moveLayerTo()", intervalTime);
	return false;
}

function moveLayer()
{
	document.all["previewLayer"].style.top = -65;
	moveLayerTo();
	return false;
}

function init()
{	
	moveLayer();
	return false;
}