var speed = 5;
	var crossobj;
	var contentheight;
	
	function movedown() {
		//alert(contentheight);
		if (window.moveupvar) clearTimeout(moveupvar)
		if (parseInt(crossobj.style.top) >= (contentheight*(-1) + 306)) {
			crossobj.style.top = parseInt(crossobj.style.top) - speed + "px";
		}
		movedownvar = setTimeout("movedown()", 20);
	}

	function moveup() {
		if (window.movedownvar) clearTimeout(movedownvar)
		//	alert(crossobj.style.top);
		if (parseInt(crossobj.style.top) < 0) {
			crossobj.style.top = parseInt(crossobj.style.top) + speed + "px";
		}
		moveupvar = setTimeout("moveup()", 20)

	}

	function stopscroll() {
		if (window.moveupvar) clearTimeout(moveupvar)
		if (window.movedownvar) clearTimeout(movedownvar)
	}

	function movetop() {
		stopscroll();
		crossobj.style.top = 0 + "px";
	}
	
	function getcontent_height() {
		contentheight = crossobj.offsetHeight;
	}
	
	
	
	function InitScroll() {
		crossobj = document.getElementById ? document.getElementById("leftcontentmenucontainer") : document.all.leftcontentmenucontainer;
		contentheight = crossobj.offsetHeight;
		crossobj.style.top = 0 + "px";
	}