function pop_up_window(strRef,pwidth,pheight)
	{
	var winOpts='toolbar=no,location=no,directories=no,status=no,scrollbars=yes,menubar=no,resizable=yes,width=' + pwidth + ',height=' + pheight;
	newwindow=open(strRef,"description_popup",winOpts);
	setTimeout("closeIt()", 70000);
	}

	function closeIt() {
	if (!newwindow.closed) {
    newwindow.close()
	}
  }