browser = navigator.appName;
version = navigator.appVersion;

function openHelpWindow(page) {
   if (navigator.appVersion.indexOf("WebTV") != -1) {
      window.status=webTVMsg;   
   } else {
      help=window.open(page,'HelpPopUp','width=500,height=400,location=no,menubar=no,scrollbars=no,resizable=no,status=no');
      if ((browser=="Microsoft Internet Explorer") && (parseInt(version) < 4)) {
         // do nothing
      } else {
         help.opener = self.parent;
      }
   }
   help.focus();
}