var mainIsDOM = (document.getElementById ? true : false); 
var mainIsIE4 = ((document.all && !mainIsDOM) ? true : false); 
var mainIsNS4 = (document.layers ? true : false); 
var mainIsNS = navigator.appName == "Netscape"; 

function mainGetRef(id) { 
	if (mainIsDOM) return document.getElementById(id); 
	if (mainIsIE4) return document.all[id]; 
	if (mainIsNS4) return document.layers[id]; 
} 


function mainMoveRightEdge() { 
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck; 
	if (mainIsNS4) { 
		yMenuFrom = Scroll.top; 
		yMenuTo = windows.pageYOffset +10 ; // 위쪽 위치 
	} else if (mainIsDOM) { 
		yMenuFrom = parseInt (Scroll.style.top, 10); 
		yMenuTo = (mainIsNS ? window.pageYOffset : document.body.scrollTop) +0; // 위쪽 위치 
	} 
	timeoutNextCheck = 100; 
	if (yMenuFrom != yMenuTo) { 
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20); 
		if (yMenuTo < yMenuFrom) 
			yOffset = -yOffset; 
		if (mainIsNS4) 
			Scroll.top += yOffset; 
		else if (mainIsDOM) 
			Scroll.style.top = parseInt (Scroll.style.top, 10) + yOffset; 
		timeoutNextCheck = 10; 
	} 
	setTimeout ("mainMoveRightEdge()", timeoutNextCheck); 
} 



if(mainIsNS4){ 
	var Scroll = document["outline"]; 
	Scroll.top = top.pageYOffset + 140; 
	Scroll.visibility = "visible"; 
}
else if(mainIsDOM){ 
	var Scroll = mainGetRef('outline'); 
	Scroll.style.top = (mainIsNS ? window.pageYOffset : document.body.scrollTop) + 0; // 위쪽 위치 
	Scroll.style.visibility = "visible"; 
} 
mainMoveRightEdge();