// Detects browser specifics for debugging use.

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();