var popUpWin=0;
function popUpWindow(URLStr, width, height)
{
var left, top;
left = (screen.width/2)-(width/2);
top = (screen.height/2)-(height/2);

  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open("map.php?pic="+URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}