function popup(theURL) {
	var left;
	var top;
	top = ((screen.height -668) / 2);
	left =	((screen.width - 1000) / 2);
	window.open(theURL, "", "toolbar=0,scrollbars=0,location=0,status=0,menubar=0,directories=0,resizable=0,width=1000,height=668,left="+left+",top="+top+"")
}