function openWindow(strURL, strName, lngHeight, lngWidth)
{
  var strFeatures = "resizable=no,scrollbars=yes,height=" + lngHeight.toString() + 
    ",width=" + lngWidth.toString();
  rVal = window.open(strURL, strName, strFeatures);
  if (!rVal.opener) rVal.opener = self;
  rVal.focus();
}