function openThemeChooser(obj) {
	posX = findPosX(obj);
	posY = findPosY(obj);
	posY = posY + 14;
	posX = posX - 11;
	if ((document.getElementById("themes").style.display == "none") || (document.getElementById("themes").style.display == "")) {
		document.getElementById("themes").style.display = "block";
		document.getElementById("themes").style.top = posY + "px";
		document.getElementById("themes").style.left = posX + "px";
	} else {
		document.getElementById("themes").style.display = "none";
	}
}
function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}