// JavaScript Document
var theY;
			
function stopScrolling() {
	theY = getY();
    window.onscroll = noScroll;
}
			
function startScrolling() {
	window.onscroll = null;
}
			
function noScroll() {
	window.scrollTo(0, theY);
}
			
function getHeight() {
	var wHeight = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
	return wHeight;
}
			
function getY() {
			
	var isIE = (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
	var offY = document.all ? isIE.scrollTop : pageYOffset;
				
	return offY;
			
}