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: "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: "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"
				}
			]

};
BrowserDetect.init();