var popUpWin=0;
function popUpWin(URLStr, width, height)
{
alert("sss");
  if(popUpWin)

  {

    if(!popUpWin.closed) popUpWin.close();

  }

popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+'');

}