function Schreiben(n,w,e)
{
 var a = new Date();
 a = new Date(a.getTime() +e);
 document.cookie = n+'='+w+'; expires='+a.toGMTString()+';';// path=/';
}

function Lesen(n)
{
 a = document.cookie;
 res = '';
 while(a != '')
 {
  while(a.substr(0,1) == ' '){a = a.substr(1,a.length);}
  cookiename = a.substring(0,a.indexOf('='));
  if(a.indexOf(';') != -1)
  {cookiewert = a.substring(a.indexOf('=')+1,a.indexOf(';'));}
  else{cookiewert = a.substr(a.indexOf('=')+1,a.length);}
  if(n == cookiename){res = cookiewert;}
  i = a.indexOf(';')+1;
  if(i == 0){i = a.length}
  a = a.substring(i,a.length);
 }
 return(res)
}

if(Lesen('tb')=='')
{
 Schreiben('tb','1',1000*3600*24*31);
 Schreiben('tbs',document.referrer,1000*3600*24*31);
}

rx = Lesen('src');
if(location.search.indexOf('src=')>-1)
{
 rx = location.search.substr(location.search.indexOf('src=')+4,999);
 if(rx.indexOf('&')>-1){ rx = rx.substr(0,rx.indexOf('&'));}
 Schreiben('src',rx,1000*3600*24*31);
}

rx = Lesen('kw');
if(document.referrer.indexOf('p=')>-1)
{
 rx = 'nat_y_'+document.referrer.substr(document.referrer.indexOf('p=')+2,999);
 if(rx.indexOf('&')>-1){ rx = rx.substr(0,rx.indexOf('&'));}
 Schreiben('kw',rx,1000*3600*24*31);
}
if(document.referrer.indexOf('q=')>-1)
{
 if(document.referrer.indexOf('bing')>-1)
 {
  rx = 'nat_b_'+document.referrer.substr(document.referrer.indexOf('q=')+2,999);
 }
 else
 {
  rx = 'nat_g_'+document.referrer.substr(document.referrer.indexOf('q=')+2,999);
 }
 if(rx.indexOf('&')>-1){ rx = rx.substr(0,rx.indexOf('&'));}
 Schreiben('kw',rx,1000*3600*24*31);
}

if(location.search.indexOf('kw=')>-1)
{
 rx = location.search.substr(location.search.indexOf('kw=')+3,999);
 if(rx.indexOf('&')>-1){ rx = rx.substr(0,rx.indexOf('&'));}
 Schreiben('kw',rx,1000*3600*24*31);
}