function popup(Url,width,height,info)
{
	width = width + 40;
	height = height + 30;
	
	var left = (screen.width/2)-(width/2);
	var top = (screen.height/2)-(height/2);
  popUp = window.open(Url,'',"toolbar=0,location=0,directories=0,menuBar=0,scrollbars=1,resizable=1,width="+width+",height="+height+",top="+top+",left="+left+"");
}