var timer;
var d;
var coors;
function show() 
{
	t = document.getElementById("topmenu");
	d = document.getElementById("portfolio");
	setLyr(t, 'portfolio');
	d.style.display = 'block';
	clearTimeout(timer);
}
function hide() 
{
	clearTimeout(timer);
	d = document.getElementById("portfolio");
	timer = setTimeout('hidemenu()', 1000);
}
function hidemenu()
{
	d = document.getElementById("portfolio");
	d.style.display = 'none';
}
function setLyr(obj,lyr)
{
	coors = findPos(obj);
	coors[1] += 46;
	coors[0] += 53;
	var x = document.getElementById(lyr);
	x.style.top = coors[1] + 'px';
	x.style.left = coors[0] + 'px';
}
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) { 
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}