(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";
		},
		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"
		    },
			{
				string: navigator.platform,
				subString: "Linux",
				identity: "linux"
			}
		]
	
	};
	
	BrowserDetect.init();
	
	window.$.client = { os : BrowserDetect.OS, browser : BrowserDetect.browser };
	
})();

$("html").addClass($.client.browser + " " + $.client.os);