var popUpWin=0;

function popUpWindow(URLStr, left, top, width, height, bScrollbars)
{
  var scrollbars = 'no';
  if(bScrollbars) {
	var scrollbars = 'yes'; }

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