// pop up window
var popUpWin=0;
function popUpWindow(URLStr)
{
width = 320;
height = 240;
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  var left = 10;//Math.floor((screen.width/2)-(width/2));
  var top = 10;//Math.floor((screen.height/2)-(height/2));
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
// pop up window