////////////////////////////////////////////////////////////////////////
// code for detecting browser type

function bName() {
  if (navigator.appName == "Microsoft Internet Explorer")
    return 1;
  if (navigator.appName == "Netscape")
    return 2;
  return 0;
}

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

var nameCode = bName();
var versionCode = bVer();
var mac = (navigator.userAgent.indexOf("Mac")!=-1);
var activeX = (nameCode == 1 && versionCode >= 4.0) ? true : false;