function bName() {
  // return 1 for Internet Explorer
  if (navigator.appName == "Microsoft Internet Explorer")
    return 1;

  // return 2 for Navigator
  if (navigator.appName == "Netscape")
    return 2;

  // return 0 for other browsers
  return 0;
}

function bVer() {
  // return version number (e.g., 4.03)
  return parseFloat(navigator.appVersion)
}