var isDOM = (document.getElementById ? true : false); 
	var isIE4 = ((document.all && !isDOM) ? true : false); 
	var isNS4 = (document.layers ? true : false); 
	 
	function getRef(id) { 
			if (isDOM) return document.getElementById(id); 
			if (isIE4) return document.all[id]; 
			if (isNS4) return document.layers[id]; 
	} 
	 
	var isNS = navigator.appName == "Netscape"; 
	function moveRightEdge() { 
			var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck; 
			if (isNS4) { 
					yMenuFrom  = divMenu.left; 
					yMenuTo     = windows.pageXOffset +10 ;  //위쪽 위치 
			} else if (isDOM) { 
					yMenuFrom   = parseInt (divMenu.style.left, 10); 
					yMenuTo     = (isNS ? window.pageXOffset : document.body.scrollLeft) +10; // 위쪽 위치 
			} 
			timeoutNextCheck = 500; 
			if (yMenuFrom != yMenuTo) { 
					yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 5); 
					if (yMenuTo < yMenuFrom) 
							yOffset = -yOffset; 
					if (isNS4) 
							divMenu.left += yOffset; 
					else if (isDOM) 
							divMenu.style.left = parseInt (divMenu.style.left, 10) + yOffset; 
							timeoutNextCheck = 10; 
			} 
			setTimeout ("moveRightEdge()", timeoutNextCheck); 
	} 
	 
	if (isNS4) { 
			var divMenu = document["divMenu"]; 
			divMenu.left = left.pageXOffset +10; 
			divMenu.visibility = "visible"; 
			moveRightEdge(); 
	} else if (isDOM) { 
			var divMenu = getRef('divMenu'); 
			divMenu.style.left = (isNS ? window.pageXOffset : document.body.scrollLeft) +10; 
			divMenu.style.visibility = "visible"; 
			moveRightEdge(); 
	}