var browser_link= "";
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: "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.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();

if (BrowserDetect.browser == "Firefox") {browser_link = '<a href="http://download.mozilla.org/?product=firefox-3.0.10&os=win&lang=de" onclick="close_info_window ();" target="top">Firefox</a>'; }
	else if (BrowserDetect.browser == "Internet Explorer") {browser_link = '<a href="http://specials.de.msn.com/internet-explorer.aspx?pkq=ie%20download&ocid=msnie" onclick="close_info_window ();" target="top">Explorer</a>'; }
	else if (BrowserDetect.browser == "Netscape") {browser_link = '<a href="http://cgi.zdnet.de/c/?s=32&t=http%3A%2F%2Fwww.zdnet.de%2Fbrowsen_unter_windows_netscape_7_1__deutsch__complete_install_download-39002345-20370-2.htm&dld_id=de0DNL" onclick="close_info_window ();" target="top">Netscape</a>'; }
	else if (BrowserDetect.browser == "Safari") {browser_link = '<a href="http://www.apple.com/de/safari/download/" onclick="close_info_window ();" target="top">Safari</a>'; }
	else {browser_link = "Unbekannter Browser"; }

function Init_info_window () {	
	var falscher_browser = false;
	if (BrowserDetect.browser == "Firefox" & BrowserDetect.version < 3 & BrowserDetect.OS == "Windows") {falscher_browser =true; }
	else if (BrowserDetect.browser == "Internet Explorer" & BrowserDetect.version < 7) {falscher_browser =true;}
	else if (BrowserDetect.browser == "Netscape" & BrowserDetect.version < 6) {falscher_browser =true;}
	else if (BrowserDetect.browser == "Safari" & BrowserDetect.version < 3 & BrowserDetect.OS == "Windows") {falscher_browser =true;}
	else falscher_browser = false; /*  oder alert("");  */
	if (falscher_browser == true) {
		document.getElementById('infowindow').style.visibility = "visible";
		document.getElementById('infowindow').style.top=30+"%";
		document.getElementById('infowindow').style.left=35+"%";
		document.getElementById('infowindow').style.width=380+"px";
		document.getElementById('infowindow').style.heigth=220+"px";
		document.getElementById('inhalt').value = BrowserDetect.browser + "-" + BrowserDetect.version +"-" + BrowserDetect.OS;
	}
}

function close_info_window () {
	document.getElementById('infowindow').style.visibility = "hidden";
	document.getElementById('infowindow').style.top=0+"%";
	document.getElementById('infowindow').style.left=0+"%";
	document.getElementById('infowindow').style.width=1+"px";
	document.getElementById('infowindow').style.heigth=1+"px";
}