var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
	left=0;
	top=0;
	width=800;
	height=600;
	URLStr = "../gallery/images/Large/" + URLStr;
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}