/**
 * credits to PPK
 * @see http://www.quirksmode.org/js/detect.html
 */

(function() {

	var BrowserDetect = {
		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";
		},
		/**
		 * case sensitive..
		 */
		/*
		searchString: function (data) {
			for (var i=0;i<data.length;i++)	{
				var dataString = data[i].string;
				if (dataString) {
					if (dataString.indexOf(data[i].subString) != -1)
						return data[i].identity;
				}
			}
		},
		*/
		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",
	  			versionSearch: "Version"
	  		},
	  		{
	  			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.userAgent,
				subString: "iPhone",
				identity: "iPhone/iPod"
		    },
			{
				string: navigator.platform,
				subString: "Linux",
				identity: "Linux"
			}
		]
	};

	BrowserDetect.init();

	window.$.os = BrowserDetect.OS;
	//window.$.browser = BrowserDetect.browser;
	window.$.browserversion = BrowserDetect.version;

})();