function openWindow(url,title,cx,cy)
{
	var opts;
	
	if (title == null) title = "popup";
	if (cx == null) cx = 640;
	if (cy == null) cy = 480;
	
	opts = "height=" + cy + ",width=" + cx + ",resizable=yes,scrollbars=yes,modal=yes,alwaysRaised=yes";
	
	window.open(url,title,opts);
}

function getElem(id)
{
	return document.getElementById(id);
}