// ½ºÅ©·Ñ¸µ
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) {
		try{
			diffY = document.body.scrollTop; 
			diffX = 0; 
		}catch(e){
			diffY = 0;
			diffX = 0; 
			//alert(e.message);
		}
	}

	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.mainQuick.style.pixelTop += percent;
		}
		if(NS){
			document.mainQuick.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.mainQuick.style.pixelLeft += percent;
		}
		if(NS){
			document.mainQuick.top += percent;
		}
		
		lastScrollY = lastScrollY + percent;
	} 
} 
if(NS || IE) action = window.setInterval("heartBeat()",1);

// â »çÀÌÁî¿¡ ¸Â°Ô À§Ä¡Àâ±â
function centerWindow() {
	var xMax = document.body.clientWidth;
	var xOffset = (xMax)/2 + 393;
	var mainQuick = document.all['mainQuick'].style;
	 if(xMax>935){
	  mainQuick.top = lastScrollY+100;
	  mainQuick.left = xOffset;  
	 }else{
		mainQuick.top = lastScrollY+120;
		mainQuick.left = 935;
	 }
}