var isDOM_5 = (document.getElementById ? true : false);  
var isIE4_5 = ((document.all && !isDOM_5) ? true : false); 
var isNS4_5 = (document.layers ? true : false);  
function getRef(id) { 
	if (isDOM_5) return document.getElementById(id); 
	if (isIE4_5) return document.all[id]; 
	if (isNS4_5) return document.layers[id]; 
}  

var isNS = navigator.appName == "Netscape";  

function moveRightEdge() { 
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;  

	if (isNS4_5) { 
		yMenuFrom   = divMenu01.top; 
		yMenuTo     = windows.pageYOffset + 210; 
	} else if (isDOM_5) { 
		yMenuFrom   = parseInt (divMenu01.style.top, 10); 
		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop) + 133; 
	} 
	timeoutNextCheck = 30;  

	if (yMenuFrom != yMenuTo) { 
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20); 
		if (yMenuTo < yMenuFrom) 
			yOffset = -yOffset; 
		if (isNS4_5) 
			divMenu01.top += yOffset; 
		else if (isDOM_5) 
			divMenu01.style.top = parseInt (divMenu01.style.top, 10) + yOffset; 
			timeoutNextCheck = 5; 
	} 
	setTimeout ("moveRightEdge()", timeoutNextCheck); 
}