function popUpWindow(URLStr, left, top, width, height)
{
  popUpWin = window.open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function showFeature(URLStr, left, top, width, height) {
   popUpWindow(URLStr, left, top, width, height);
}