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/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

var css = "";
if(BrowserDetect.OS == "Mac") {
	
	css += "/css/mac/";
	
	if(BrowserDetect.browser == "Firefox") {
		css += "menus.firefox.css";
	} 
	else if(BrowserDetect.browser == "Safari") {
		css += "menus.safari.css";
	} 
	else if(BrowserDetect.browser == "Camino") {
		css += "menus.camino.css";
	} 
	else {
		css += "menus.mozilla.css";
	}
	
}
else {
	css += "/css/windows/";
		
	if(BrowserDetect.browser == "Firefox") {
		css += "menus.firefox.css";
	} 
	else if(BrowserDetect.browser == "Explorer") {
		
		if(BrowserDetect.version == 8) {
			css += "menus.ie8.css";
		}
		else if(BrowserDetect.version == 7) {
			document.write('<link rel="stylesheet" href="' + css + "ie7.css" + '" type="text/css" />');
			css += "menus.ie7.css";
		}
		else {
			document.write('<link rel="stylesheet" href="' + css + "ie.css" + '" type="text/css" />');
			css += "menus.ie.css";
		}
	} 
	else {
		css += "menus.mozilla.css";
	}
	
}
document.write('<link rel="stylesheet" href="' + css + '" type="text/css" />');
