/* from quirksmode.org, modified to handle specific OS versions and browser plugins */
/* NOTE: must be kept up to date as new browsers are released */

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "unknown browser";
		this.browserVersion = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "unknown browser version";
		this.os = this.searchString(this.dataOS) || "unknown os";
		this.osVersion = this.searchString(this.dataOSVersion) || "";
		this.osRelease = this.searchString(this.dataOSVersion, 'release') || "";
		this.plugins = this.getPlugins();
	},
	getPlugins: function () {
		var plgns = "";
		if(navigator.plugins && navigator.plugins.length > 0) {	// use navigator.plugins property
			for(var i=0;i<navigator.plugins.length;i++)
			{
				plgns = plgns + navigator.plugins[i].name + ',';
			}
		} else {	// use VB to detect ActiveX Plugin instead of navigator.plugins
			if(detectActiveXControl('ShockwaveFlash.ShockwaveFlash.1')) 
				plgns = plgns + 'Shockwave Flash,';
			if(detectActiveXControl('ANIMA.AnimaCtrl.1'))
				plgns = plgns + 'Flux Player,';
            if(detectActiveXControl('UnityWebPlayer.UnityWebPlayer.1'))
                plgns = plgns + 'Unity Web Player,';
		}
		return plgns;
	}, 
	searchString: function (data, ret) {
		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 ret == 'release' ? data[i].release : data[i].identity;
			}
			else if (dataProp)
				return ret == 'release' ? data[i].release : 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: "Internet 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.userAgent, 
			subString: "Windows", 
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	],
	dataOSVersion : [
		{
			string: navigator.userAgent,
			subString: "Windows NT 4.10", 
			identity: "98",
			release: 4.1
		},
		{
			string: navigator.userAgent,
			subString: "Windows NT 4.90", 
			identity: "Me",
			release: 4.9
		},
		{
			string: navigator.userAgent, 
			subString: "Windows NT 5.0",
			identity: "2000",
			release: 5.0
		},
		{
			string: navigator.userAgent,
			subString: "Windows NT 5.1", 
			identity: "XP",
			release: 5.1
		},
		{
			string: navigator.userAgent,
			subString: "Windows NT 5.2", 
			identity: "Server 2003",
			release: 5.2
		},
		{
			string: navigator.userAgent, 
			subString: "Windows NT 6.0", 
			identity: "Vista",
			release: 6.0
		},
		{
			string: navigator.userAgent, 
			subString: "Windows NT 6.1", 
			identity: "7",
			release: 6.1
		},
		
	], 
	dataPlugins : [
		{
			string: this.pluginList, 
			subString: "Flux Player", 
			identity: "Flux Player"
		},
		{
			string: this.pluginList, 
			subString: "Shockwave Flash", 
			identity: "Flash"
		}
	]

};

detectableWithVB = false;

if ((navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)) {
    document.writeln('<script language="VBscript">');

    document.writeln('\'do a one-time test for a version of VBScript that can handle this code');
    document.writeln('detectableWithVB = False');
    document.writeln('If ScriptEngineMajorVersion >= 2 then');
    document.writeln('  detectableWithVB = True');
    document.writeln('End If');

    document.writeln('\'this next function will detect most plugins');
    document.writeln('Function detectActiveXControl(activeXControlName)');
    document.writeln('  on error resume next');
    document.writeln('  detectActiveXControl = False');
    document.writeln('  If detectableWithVB Then');
    document.writeln('     detectActiveXControl = IsObject(CreateObject(activeXControlName))');
    document.writeln('  End If');
    document.writeln('End Function');

    document.writeln('</scr' + 'ipt>');
}

BrowserDetect.init();