var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "unknown";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "unknown";
		this.OS = this.searchString(this.dataOS) || "unknown";
		this.handheld = this.searchHandheld() || false;
	},
	searchHandheld: function () {
		if ( BrowserDetect.OS == "ipad" || BrowserDetect.OS == "iphone" ||
			BrowserDetect.OS == "android" || BrowserDetect.OS == "blackberry" ||
			BrowserDetect.OS == "winmob" ) {
			return true;
		} else {
			return false;
		}
	},
	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.platform,
			subString: "Linux",
			identity: "linux"
		},
		{
			string: navigator.userAgent,
			subString: "iPhone",
			identity: "iphone"
		},
		{
			string: navigator.userAgent,
			subString: "iPad",
			identity: "ipad"
		},
		{
			string: navigator.userAgent,
			subString: "BlackBerry",
			identity: "blackberry"
		},
		{
			string: navigator.userAgent,
			subString: "Android",
			identity: "android"
		},
		{
			string: navigator.userAgent,
			subString: "WinMob",
			identity: "winmob"
		}
	]

};

jQuery(document).ready(function($) {
	BrowserDetect.init();

	if ( BrowserDetect.OS != "unknown" ) {
		$('html')
			.addClass( "os_" + BrowserDetect.OS )
			.addClass( BrowserDetect.browser + "_" + BrowserDetect.OS );
			
		if ( BrowserDetect.OS == "ipad" || BrowserDetect.OS == "iphone" ) {
			$('html')
				.addClass( "os_ios" )
				.addClass( "ios_" + BrowserDetect.version );	
		}

		if ( BrowserDetect.OS == "ipad" || BrowserDetect.OS == "iphone" || BrowserDetect.OS == "mac" ) {
			$('html').addClass( "os_apple" );
		}

		if ( BrowserDetect.OS == "ipad" || BrowserDetect.OS == "iphone" || BrowserDetect.OS == "android" ) {
			$('html').addClass( "is_handheld" );
		}
	}
		

	if ( BrowserDetect.version != "unknown" ) {
		$('html').addClass( BrowserDetect.browser + "_" + Math.floor( BrowserDetect.version ) );
	}

	if ( BrowserDetect.browser != "unknown" ) {
		$('html').addClass( "browser_" + BrowserDetect.browser );
	}
	
	if ( BrowserDetect.browser == "explorer" && BrowserDetect.version < 8 ) {
		$('html').addClass( "explorer_lt_8" );		
	}

});