var betriebssystem;
	
	info = navigator.userAgent;
	if (info.indexOf("Win98") != -1 || info.indexOf("Windows 98") != -1)
	betriebssystem = "Windows 98";
	if (info.indexOf("Win95") != -1 || info.indexOf("Windows 95") != -1)
	betriebssystem = "Windows 95";
	if (info.indexOf("WinNT") != -1 || info.indexOf("Windows NT") != -1)
	betriebssystem = "Windows NT";
	if (info.indexOf("WinNT 5.0") != -1 || info.indexOf("Windows NT 5.0") != -1)
	betriebssystem = "Windows 2000"; 
	if (info.indexOf("WinNT 5.1") != -1 || info.indexOf("Windows NT 5.1") != -1)
	betriebssystem = "Windows XP";
	if (info.indexOf("WinNT 5.2") != -1 || info.indexOf("Windows NT 5.2") != -1)
	betriebssystem = "Windows Server 2003";
	if (info.indexOf("WinNT 6.0") != -1 || info.indexOf("Windows NT 6.0") != -1)
	betriebssystem = "Windows Vista";
		
	document.cookie="visitor_betriebssystem="+betriebssystem+"; expires=false";
	document.cookie="visitor_browsername="+navigator.appName+"; expires=false";
	document.cookie="visitor_browserversion="+navigator.appVersion+"; expires=false";
	document.cookie="visitor_browsersprache="+navigator.language+"; expires=false";
	document.cookie="visitor_platform="+navigator.platform+"; expires=false";
	document.cookie="visitor_cookies="+navigator.cookieEnabled+"; expires=false";
	document.cookie="visitor_applets="+navigator.javaEnabled()+"; expires=false";
	document.cookie="visitor_hoehe="+screen.height+"; expires=false";
	document.cookie="visitor_breite="+screen.width+"; expires=false";
	document.cookie="visitor_pixeltiefe="+screen.pixelDepth+"; expires=false";
	document.cookie="visitor_farbtiefe="+screen.colorDepth+"; expires=false";
	document.cookie="visitor_availheight="+screen.availHeight+"; expires=false";
	document.cookie="visitor_availwidth="+screen.availWidth+"; expires=false";