function window_open(filename, x, y, text)
	{
	  windowops = eval("'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,left=0,top=0,screenX=0,screenY=0,width=" + x + ",height=" + y + "'");
	  window.open(filename, text, windowops);
	}