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();

document.getElementById("RegHeight").value = window.screen.height;
document.getElementById("RegWidth").value = window.screen.width;
document.getElementById("RegAvailHeight").value = window.screen.availHeight;
document.getElementById("RegAvailWidth").value = window.screen.availWidth;
document.getElementById("RecColorDepth").value = window.screen.colorDepth;
document.getElementById("BrowserType").value = BrowserDetect.browser;
document.getElementById("BrowserVersion").value = BrowserDetect.version;
document.getElementById("OS").value = BrowserDetect.OS;