function show(lyr)
{
 	var x = document.getElementById(lyr);
	x.style.visibility = 'visible';
	x.style.display = 'block';
}

function hide(lyr)
{
 	var x = document.getElementById(lyr);
	x.style.visibility = 'hidden';
	x.style.display = 'none';
}

function setLyr(obj,lyr)
{
	var coors = findPos(obj);
	coors[1] -= 75;
	coors[0] += 21;
	var x = document.getElementById(lyr);
	x.style.top = coors[1] + 'px';
	x.style.left = coors[0] + '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];
}