function start()
 {
   var url=window.location.href;
   var pos=url.lastIndexOf("?");

   if (pos!=-1)
   {
      var laenge=url.length;
      var urlLaenge=laenge-pos-1;
      if (urlLaenge>0)
      {
        var targetUrl=url.substr(pos+1,urlLaenge);
        window.contentFrame.location.href="themen/start/index.html?"+targetUrl;
      }
   }

   var nam=window.name;

   if (nam=="content")
   {
       parent.parent.location.href=window.location.href;
   }

 }


 function start2()
 {

   var grundUrl="http://www.geschichte-reckenfeld.de/";

   var url=window.location.href;

   var pos=url.lastIndexOf("?");
   if (pos!=-1)
   {

     var laenge=url.length;
     var urlLaenge=laenge-pos-1;
     if (urlLaenge>0)
     {
       var targetUrl=url.substr(pos+1,urlLaenge);
       window.content.location.href=targetUrl;
     }
   }

   var nam=window.name;

   if (nam!="contentFrame")
   {
       //parent.location.href=window.location.href;
       var thisUrl=window.content.location.href;
       parent.location.href=grundUrl + "index.html?" + thisUrl;
   }


 }



 function testFrame(themaNav2)
 {
    testFrame2Par(themaNav2,"navigation2_start.html");
 }

 function testFrame2Par(themaNav2,seite)
 {

    // Prüfen, ob im Frame

    var grundUrl="http://www.geschichte-reckenfeld.de/";

    var anzFrame=parent.frames.length;
    var thisUrl=window.location.href;

    if (anzFrame==0)
    {
        window.location.href=grundUrl+"index.html?" + thisUrl;
    }

    // Menü-2 Testen

    var sollUrl=grundUrl + "themen/" + themaNav2 + "/"+seite;
    var istUrl=parent.frames.content.location.href;

    var sollPfad=grundUrl + "themen/" + themaNav2;
    var sollPfadLen=sollPfad.length;
    var istPfad=parent.frames.navigation2.location.href;
    var istPfad=istPfad.substr(0,sollPfadLen);


    var leftUrl=parent.frames[0].location.href;
    var leftLen=leftUrl.length;

    if (leftLen>11)
    {
         leftUrl=leftUrl.substr(leftLen-12,12);
    }

    if (sollUrl!=istUrl)
    {
        if (sollPfad!=istPfad)
        {
            if (leftUrl!="zurueck.html")
            {
               parent.frames[0].location.href=sollUrl;
            }
        }
    }
 }