function Lesen(n) {
 a = document.cookie;
 res = '';
 while(a != '') {
  cookiename = a.substring(0,a.search('='));
  cookiewert = a.substring(a.search('=')+1,1000);
  if(cookiewert == '')
  {cookiewert = a.substring(a.search('=')+1,1000);}

  if(n == cookiename){res = cookiewert;}

  i = a.search(';')+1;
  if(i == 0){i = a.length}
  a = a.substring(i,a.length);
 }
 return(res)
}

if (navigator.cookieEnabled == true) {
  var ges = '';
  if (document.cookie) {
    ges = Lesen("referrer");
  }
  if (ges == '') {
    var ref = document.referrer;
    if (ref.substring(0,27) != "http://www.schnarchwelt.de/") {
      document.cookie = "referrer="+ref;
    }
  }
}