/* ---------------------------------------------------- */
/* ------------------ SNIFFER ------------------------- */
/* ---------------------------------------------------- */

/* ------------ browser und version ermitteln ------------------- */

	var browser = navigator.appName;
	var version = navigator.appVersion.toLowerCase();
	var code = navigator.appCodeName;
	var code_version = navigator.userAgent.toLowerCase();
	var cpu = navigator.cpuClass;

	var is_minor = parseFloat(version);
  var is_major = parseInt(is_minor);

  // ----- OPERA
  var is_opera = (code_version.indexOf("opera") != -1);
  var is_opera2 = (code_version.indexOf("opera 2") != -1 || code_version.indexOf("opera/2") != -1);
  var is_opera3 = (code_version.indexOf("opera 3") != -1 || code_version.indexOf("opera/3") != -1);
  var is_opera4 = (code_version.indexOf("opera 4") != -1 || code_version.indexOf("opera/4") != -1);
  var is_opera5 = (code_version.indexOf("opera 5") != -1 || code_version.indexOf("opera/5") != -1);
  var is_opera6 = (code_version.indexOf("opera 6") != -1 || code_version.indexOf("opera/6") != -1);
  var is_opera7 = (code_version.indexOf("opera 7") != -1 || code_version.indexOf("opera/7") != -1);
  var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
  var is_opera6up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5);
  var is_opera7up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6);

  // ----- EXPLORER
  // da beim IE mit den Rueckgabewerten 3 oder 4 auch die Netscape Version gemeint
  // sein kann, mit der er kompatibel ist, wird die Zeichenkette nach der
  // richtigen Versionsnummer durchsucht

  var iePos = version.indexOf('msie');
  if (iePos != -1) {
     is_minor = parseFloat(version.substring(iePos + 5, version.indexOf(';', iePos)))
     is_major = parseInt(is_minor);
  }

	// ----- KONQUEROR
	// wie beim IE wird die Zeichenkette nach der richtigen Versionsnummer durchsucht
	var is_konq = false;
  var kqPos = code_version.indexOf('konqueror');
  if (kqPos != -1) {
     is_konq = true;
     is_minor = parseFloat(code_version.substring(kqPos + 10, code_version.indexOf(';', kqPos)));
     is_major = parseInt(is_minor);
  }

	var is_getElementById = (document.getElementById) ? true : false;
  var is_getElementsByTagName = (document.getElementsByTagName) ? true : false;
  var is_documentElement = (document.documentElement) ? true : false;

  // ----- SAFARI
  var is_safari = ((code_version.indexOf('safari') != -1) && (code_version.indexOf('mac') != -1)) ? true : false;
  var is_khtml = (is_safari || is_konq);

  // ----- GECKO
  var is_gecko = ((!is_khtml) && (navigator.product) && (navigator.product.toLowerCase() == "gecko")) ? true : false;
  var is_gver = 0;
  if (is_gecko)
  	is_gver = navigator.productSub;

  // ----- MOZILLA
  var is_moz = ((code_version.indexOf('mozilla/5') != -1) && (code_version.indexOf('spoofer') == -1) && (code_version.indexOf('compatible') == -1) && (code_version.indexOf('opera') == -1) && (code_version.indexOf('webtv') == -1) && (code_version.indexOf('hotjava') == -1) && (is_gecko) && ((navigator.vendor == "")||(navigator.vendor == "Mozilla")));

  if (is_moz) {
     var is_moz_ver = (navigator.vendorSub) ? navigator.vendorSub : 0;
     if (!(is_moz_ver)) {
         is_moz_ver = code_version.indexOf('rv:');
         is_moz_ver = code_version.substring(is_moz_ver + 3);
         is_paren = is_moz_ver.indexOf(')');
         is_moz_ver = is_moz_ver.substring(0, is_paren);
     }
     is_minor = is_moz_ver;
     is_major = parseInt(is_moz_ver);
  }

  // ----- NAVIGATOR
  var is_nav = ((code_version.indexOf('mozilla') != -1) && (code_version.indexOf('spoofer') == -1) && (code_version.indexOf('compatible') == -1) && (code_version.indexOf('opera') == -1) && (code_version.indexOf('webtv') == -1) && (code_version.indexOf('hotjava') == -1) && (!is_khtml) && (!(is_moz)));

	// Netscape6 ist mozilla/5 + Netscape6/6.0
  if ((navigator.vendor) && ((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&& (is_nav)) {
   is_major = parseInt(navigator.vendorSub);
   is_minor = parseFloat(navigator.vendorSub);
  }

  var is_nav2 = (is_nav && (is_major == 2));
  var is_nav3 = (is_nav && (is_major == 3));
  var is_nav4 = (is_nav && (is_major == 4));
  var is_nav4up = (is_nav && is_minor >= 4);

  var is_navonly = (is_nav && ((code_version.indexOf(";nav") != -1) || (code_version.indexOf("; nav") != -1)));
  var is_nav6 = (is_nav && is_major == 6);
  var is_nav6up = (is_nav && is_minor >= 6);
  var is_nav5 = (is_nav && is_major == 5 && !is_nav6);
  var is_nav5up = (is_nav && is_minor >= 5);
  var is_nav7   = (is_nav && is_major == 7);
  var is_nav7up = (is_nav && is_minor >= 7);

  // ----- EXPLORER
  var is_ie = ((iePos != -1) && (!is_opera) && (!is_khtml));
  var is_ie3 = (is_ie && (is_major < 4));

  var is_ie4 = (is_ie && is_major == 4);
  var is_ie4up = (is_ie && is_minor >= 4);
  var is_ie5 = (is_ie && is_major == 5);
  var is_ie5up = (is_ie && is_minor >= 5);
  var is_ie5_5 = (is_ie && (code_version.indexOf("msie 5.5") != -1));
  var is_ie5_5up =(is_ie && is_minor >= 5.5);
  var is_ie6 = (is_ie && is_major == 6);
  var is_ie6up = (is_ie && is_minor >= 6);

	// ----- AOL/WEBTV/HOTJAVA
  var is_aol = (code_version.indexOf("aol") != -1);
  var is_aol3 = (is_aol && is_ie3);
  var is_aol4 = (is_aol && is_ie4);
  var is_aol5 = (code_version.indexOf("aol 5") != -1);
  var is_aol6 = (code_version.indexOf("aol 6") != -1);
  var is_aol7 = ((code_version.indexOf("aol 7")!=-1) || (code_version.indexOf("aol7")!=-1));
  var is_aol8 = ((code_version.indexOf("aol 8")!=-1) || (code_version.indexOf("aol8")!=-1));
  var is_webtv = (code_version.indexOf("webtv") != -1);
  var is_TVNavigator = ((code_version.indexOf("navio") != -1) || (code_version.indexOf("navio_aoltv") != -1));
  var is_AOLTV = is_TVNavigator;
  var is_hotjava = (code_version.indexOf("hotjava") != -1);
  var is_hotjava3 = (is_hotjava && (is_major == 3));
  var is_hotjava3up = (is_hotjava && (is_major >= 3));


/* ------------ plattform ------------------- */

	var is_win = ((code_version.indexOf("win") != -1) || (code_version.indexOf("16bit")!=-1) );
	var is_win95 = ((code_version.indexOf("win95") != -1) || (code_version.indexOf("windows 95") != -1));
	var is_win16 = ((code_version.indexOf("win16") != -1) || (code_version.indexOf("16bit") != -1) || (code_version.indexOf("windows 3.1") != -1) || (code_version.indexOf("windows 16-bit") != -1) );
	var is_win31 = ((code_version.indexOf("windows 3.1") != -1) || (code_version.indexOf("win16") != -1) || (code_version.indexOf("windows 16-bit") != -1));
	var is_winme = ((code_version.indexOf("win 9x 4.90") != -1));
	var is_win2k = ((code_version.indexOf("windows nt 5.0") != -1) || (code_version.indexOf("windows 2000") != -1));
	var is_winxp = ((code_version.indexOf("windows nt 5.1") != -1) || (code_version.indexOf("windows xp") != -1));
	var is_win98 = ((code_version.indexOf("win98") != -1) || (code_version.indexOf("windows 98") != -1));
	var is_winnt = ((code_version.indexOf("winnt")!=-1) || (code_version.indexOf("windows nt")!=-1));
  var is_win32 = (is_win95 || is_winnt || is_win98 || ((is_major >= 4) && (navigator.platform == "Win32")) || (code_version.indexOf("win32") != -1) || (code_version.indexOf("32bit") != -1));
	var is_os2 = ((code_version.indexOf("os/2")!=-1) || (version.indexOf("OS/2")!=-1) || (code_version.indexOf("ibm-webexplorer")!=-1));
	var is_mac = (code_version.indexOf("mac") != -1);
	if (is_mac) { is_win = !is_mac; }
	var is_mac68k = (is_mac && ((code_version.indexOf("68k") != -1) || (code_version.indexOf("68000") != -1)));
	var is_macppc = (is_mac && ((code_version.indexOf("ppc") != -1) || (code_version.indexOf("powerpc") != -1)));
  var is_sun = (code_version.indexOf("sunos") != -1);
  var is_sun4 = (code_version.indexOf("sunos 4") != -1);
  var is_sun5 = (code_version.indexOf("sunos 5") != -1);
  var is_suni86= (is_sun && (code_version.indexOf("i86") != -1));
  var is_irix  = (code_version.indexOf("irix") != -1);    // SGI
  var is_irix5 = (code_version.indexOf("irix 5") != -1);
  var is_irix6 = ((code_version.indexOf("irix 6") != -1) || (code_version.indexOf("irix6") !=-1));
  var is_hpux = (code_version.indexOf("hp-ux") != -1);
  var is_hpux9 = (is_hpux && (code_version.indexOf("09.") != -1));
  var is_hpux10 = (is_hpux && (code_version.indexOf("10.") != -1));
  var is_aix = (code_version.indexOf("aix") != -1);      // IBM
  var is_aix1 = (code_version.indexOf("aix 1") != -1);
  var is_aix2 = (code_version.indexOf("aix 2") != -1);
  var is_aix3 = (code_version.indexOf("aix 3") != -1);
  var is_aix4 = (code_version.indexOf("aix 4") != -1);
  var is_linux = (code_version.indexOf("inux") != -1);
  var is_sco = (code_version.indexOf("sco") != -1) || (code_version.indexOf("unix_sv") != -1);
  var is_unixware = (code_version.indexOf("unix_system_v") != -1);
  var is_mpras = (code_version.indexOf("ncr") != -1);
  var is_reliant = (code_version.indexOf("reliantunix") != -1);
  var is_dec = ((code_version.indexOf("dec") != -1) || (code_version.indexOf("osf1") != -1) || (code_version.indexOf("dec_alpha") != -1) || (code_version.indexOf("alphaserver") != -1) || (code_version.indexOf("ultrix") != -1) || (code_version.indexOf("alphastation") != -1));
  var is_sinix = (code_version.indexOf("sinix") != -1);
  var is_freebsd = (code_version.indexOf("freebsd") != -1);
  var is_bsd = (code_version.indexOf("bsd") != -1);
  var is_unix = ((code_version.indexOf("x11") != -1) || is_sun || is_irix || is_hpux || is_sco ||is_unixware || is_mpras || is_reliant || is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);
	var is_vms = ((code_version.indexOf("vax") != -1) || (code_version.indexOf("openvms") != -1));

	if (is_nav6up) {
		is_minor = navigator.vendorSub;
	}


/* ------------ cookies ------------------- */

	document.cookie = "cookies=true";
	var is_cookie = (document.cookie) ? true : false;

	// Cookie wieder loeschen
	var exp = new Date();
	exp.setTime(exp.getTime() - 1);
	document.cookie = "cookies=; expires=" + exp.toUTCString();


/* ------------ java/javascript ------------------- */

	var is_java = (navigator.javaEnabled() > -1) ? true : false;


/* ------------ frames ------------------- */

	var is_frames = (window.frames) ? true : false;


/* ----------------------------------------------------------------------- */
/* -------------------- ausgabe auf der seite ---------------------------- */

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	}