active='';
  uactive='';

  /* Funktion active Buttons markiert */ 
  function activate(name1,name2)
  {
      uactive=name1;
      uactivelink=uactive+'a';
      active=name2;
      
      if (uactive == 'nullo')
      {
        document.getElementById (active).style.backgroundColor = '#808075';
      }
      else
      {
        document.getElementById (active).style.backgroundColor = '#808075';
        document.getElementById (uactivelink).style.color = '#000';
        document.getElementById (uactive).style.backgroundColor = '#A0A095'; 
      }
      
  }
  
  /* markiert die per OnMouseOver markierte Position in der Navigation */
  function mark(name)
  { 
    if (name != active)
    {
        document.getElementById (name).style.backgroundColor = '#606055';
    }
  }
  
  /* entfernt per OnMouseOut die Markierung von einer Position in der Navigation,
    falls diese nicht gerade active ist */
  function unmark(name)
  {
    if (name != active)
    {
      document.getElementById (name).style.backgroundColor = '#555550';
    }
  }
  
  /* markiert die per OnMouseOver markierte Position in der Unternavigation */
  function mark2(name)
  {
    if (name != uactive)
    {
        document.getElementById (name).style.backgroundColor = '#808075';
    }
  }
  
  /* entfernt per OnMouseOut die Markierung von einer Position in der Unternavigation,
    falls diese nicht gerade active ist */
  function unmark2(name)
  {
    if (name != uactive)
    {
        document.getElementById (name).style.backgroundColor = '#606055';
    }        
  } 
   
  /* fährt die Unternavigtion aus und ein wenn auf den Navigationsbutton gedrückt
    wurde */ 
  function move(name)
  { 
    if (name=='unav1')
    {
      if(document.getElementById ('unav16').style.display == 'block')
      {
        setTimeout("invisible('unav16');",100);
        setTimeout("invisible('unav15');",200);
        setTimeout("invisible('unav14');",300);
        setTimeout("invisible('unav13');",400);
        setTimeout("invisible('unav12');",500);
        setTimeout("invisible('unav11');",600);
      }
      else
      {
        if(document.getElementById ('unav11').style.display != 'block')
        {
          setTimeout("visible('unav11');",100);
          setTimeout("visible('unav12');",200);
          setTimeout("visible('unav13');",300);
          setTimeout("visible('unav14');",400);
          setTimeout("visible('unav15');",500);
          setTimeout("visible('unav16');",600);
        }
      }
    }
    if (name=='unav2')
    {
      if(document.getElementById ('unav23').style.display == 'block')
      {
        setTimeout("invisible('unav23');",100);
        setTimeout("invisible('unav25');",200);
        setTimeout("invisible('unav24');",300);
        setTimeout("invisible('unav22');",400);
        setTimeout("invisible('unav21');",500);
      }
      else
      {
        if(document.getElementById ('unav21').style.display != 'block')
        {
          setTimeout("visible('unav21');",100);
          setTimeout("visible('unav22');",200);
          setTimeout("visible('unav24');",300);
          setTimeout("visible('unav25');",400);
          setTimeout("visible('unav23');",500);

       }
      }
    }
    if (name=='unav3')
    {
      if(document.getElementById ('unav34').style.display == 'block')
      {
        setTimeout("invisible('unav34');",100);
        setTimeout("invisible('unav35');",200);
        setTimeout("invisible('unav33');",300);
        setTimeout("invisible('unav32');",400);
        setTimeout("invisible('unav31');",500);
      }
      else
      {
        if(document.getElementById ('unav31').style.display != 'block')
        {
          setTimeout("visible('unav31');",100);
          setTimeout("visible('unav32');",200);
          setTimeout("visible('unav33');",300);
          setTimeout("visible('unav35');",400);
          setTimeout("visible('unav34');",500);
        }
      }
    }
    if (name=='unav4')
    {
      if(document.getElementById ('unav42').style.display == 'block')
      {
        setTimeout("invisible('unav42');",100);
        setTimeout("invisible('unav43');",200);
        setTimeout("invisible('unav41');",300);
      }
      else
      {
        if(document.getElementById ('unav41').style.display != 'block')
        {
          setTimeout("visible('unav41');",100);
          setTimeout("visible('unav43');",200);
          setTimeout("visible('unav42');",300);
        }
      }    
    }
    if (name=='unav6')
    {
      if(document.getElementById ('unav62').style.display == 'block')
      {
        setTimeout("invisible('unav62');",100);
        setTimeout("invisible('unav61');",200);
      }
      else
      {
        if(document.getElementById ('unav61').style.display != 'block')
        {
          setTimeout("visible('unav61');",100);
          setTimeout("visible('unav62');",200);
        }
      }    
    }
  }
  
  /* macht einen Unternavigationspunkt sichtbar */
  function visible(name)
  {
      document.getElementById (name).style.display = 'block';
  }
  
  /* macht einen Unternavigationspunkt unsichtbar */
  function invisible(name)
  {
      document.getElementById (name).style.display = 'none';
  }