function BrowserManager()
{
    var This = this;
    
    // Data members
    This.Name = null;
    This.Version = null;
    This.OperatingSystem = null;
    This.Browsers = 
    [
        {
		    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"
		}    
    ];
	This.OperatingSystems =
    [
		{
		    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"
		}
	];
    
    // Methods
    This.SearchString = function(iData)
    {
        for (var i = 0; i < iData.length; i++)
        {
            var dataString = iData[i].string;
            var dataProp = iData[i].prop;
            This.VersionSearchString = iData[i].versionSearch || iData[i].identity;
            if (dataString)
            {
                if (dataString.indexOf(iData[i].subString) != -1)
                    return iData[i].identity;
            }
            else if (dataProp)
                return iData[i].identity;
        }
    }
    
    This.SearchVersion = function(iDataString)
    {
        var index = iDataString.indexOf(This.VersionSearchString);
        if (index == -1)
            return;
        return parseFloat(iDataString.substring(index + This.VersionSearchString.length + 1));
    }    
    
    // Initialize
    {
        This.Name = This.SearchString(This.Browsers) || "Unknown";
        This.Version = This.SearchVersion(navigator.userAgent) || This.SearchVersion(navigator.appVersion) || "Unknown";
        This.OperatingSystem = This.SearchString(This.OperatingSystems) || "Unknown";
    }
   
};

var Browser = new BrowserManager();