var BrowserDetect = {
    // Called as BrowserDetect.init();
    // Referenced as:
    //   BrowserDetect.browser;
    //   BrowserDetect.version;
    //   BrowserDetect.OS;
	  init: function () {
		  this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		  this.version = this.searchVersion(navigator.userAgent)
			  || this.searchVersion(navigator.appVersion)
			  || "an unknown version";
		  this.OS = this.searchString(this.dataOS) || "an unknown OS";
	  },
	  searchString: function (data) {
		  for (var i=0;i<data.length;i++)	{
			  var dataString = data[i].string;
			  var dataProp = data[i].prop;
			  this.versionSearchString = data[i].versionSearch || data[i].identity;
			  if (dataString) {
				  if (dataString.indexOf(data[i].subString) != -1)
					  return data[i].identity;
			  }
			  else if (dataProp)
				  return data[i].identity;
		  }
	  },
	  searchVersion: function (dataString) {
		  var index = dataString.indexOf(this.versionSearchString);
		  if (index == -1) return;
		  return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	  },
	  dataBrowser: [
		  {
			  string: navigator.userAgent,
			  subString: "Chrome",
			  identity: "Chrome"
		  },
		  { 	string: navigator.userAgent,
			  subString: "OmniWeb",
			  versionSearch: "OmniWeb/",
			  identity: "OmniWeb"
		  },
		  {
			  string: navigator.vendor,
			  subString: "Apple",
			  identity: "Safari"
		  },
		  {
			  prop: window.opera,
			  identity: "Opera"
		  },
		  {
			  string: navigator.vendor,
			  subString: "iCab",
			  identity: "iCab"
		  },
		  {
			  string: navigator.vendor,
			  subString: "KDE",
			  identity: "Konqueror"
		  },
		  {
			  string: navigator.userAgent,
			  subString: "Firefox",
			  identity: "Firefox"
		  },
		  {
			  string: navigator.vendor,
			  subString: "Camino",
			  identity: "Camino"
		  },
		  {		// for newer Netscapes (6+)
			  string: navigator.userAgent,
			  subString: "Netscape",
			  identity: "Netscape"
		  },
		  {
			  string: navigator.userAgent,
			  subString: "MSIE",
			  identity: "Explorer",
			  versionSearch: "MSIE"
		  },
		  {
			  string: navigator.userAgent,
			  subString: "Gecko",
			  identity: "Mozilla",
			  versionSearch: "rv"
		  },
		  { 		// for older Netscapes (4-)
			  string: navigator.userAgent,
			  subString: "Mozilla",
			  identity: "Netscape",
			  versionSearch: "Mozilla"
		  }
	  ],
	  dataOS : [
		  {
			  string: navigator.platform,
			  subString: "Win",
			  identity: "Windows"
		  },
		  {
			  string: navigator.platform,
			  subString: "Mac",
			  identity: "Mac"
		  },
		  {
			  string: navigator.platform,
			  subString: "Linux",
			  identity: "Linux"
		  }
	  ]

  };
  BrowserDetect.init();