function popUp(URLStr, left, top, width, height)
{
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width='+width+', height='+height+', left='+left+', top='+top+', screenX='+left+', screenY='+top+'');
  popUpWin.document.close();
  popUpWin.focus();
}