var to;
    var subto;

    function hide() {
      subhide();
      document.getElementById('mnuTermine').style.visibility='hidden';
      document.getElementById('mnuAuftritte').style.visibility='hidden';
      document.getElementById('mnuSonstiges').style.visibility='hidden';
    }

    function showMenu(name) {
      hide();
      clearTimeout(to);
      document.getElementById(name).style.visibility='visible';
      to=setTimeout('hide()',3000);
    }



    function subhide() {
      document.getElementById('mnu1999').style.visibility='hidden';
      document.getElementById('mnu2000').style.visibility='hidden';
      document.getElementById('mnu2001').style.visibility='hidden';
      document.getElementById('mnu2002').style.visibility='hidden';
      document.getElementById('mnu2003').style.visibility='hidden';
      document.getElementById('mnu2004').style.visibility='hidden';
      document.getElementById('mnu2005').style.visibility='hidden';
      document.getElementById('mnu2006').style.visibility='hidden';
      document.getElementById('mnu2007').style.visibility='hidden';
      document.getElementById('mnu2008').style.visibility='hidden';
      document.getElementById('mnu2009').style.visibility='hidden';
      document.getElementById('mnu2010').style.visibility='hidden';   
    }

    function subshow(name) {
      subhide();
      clearTimeout(subto);
      clearTimeout(to);
      document.getElementById(name).style.visibility='visible';
    }

    function subover() {
      clearTimeout(subto);
      clearTimeout(to);
    }

    function subout() {
      subto=setTimeout('subhide()',3000);
      to=setTimeout('hide()',3000);
    }