window.addEvent('domready', function(windowEv) {
  var navigations = $('navigationContainer').getElements('.navigation');

  if(navigations[1] && $('mainnavToggler'))
  {
    var toggler = $('mainnavToggler');

    toggler.setStyle('cursor', 'pointer');

    toggler.addEvent('click', function(clickEv) {
      if(navigations[0].hasClass('inactive'))
      {
        //slide it down
        navigations[0].tween('top', '0');
        navigations[1].tween('top', '0');
        navigations[0].removeClass('inactive');
        navigations[1].addClass('inactive');

        toggler.set('text', 'Hauptmen\u00fc einblenden');
      }
      else
      {
        //slide it up
        navigations[0].tween('top', '-207');
        navigations[1].tween('top', '-207');
        navigations[0].addClass('inactive');
        navigations[1].removeClass('inactive');

        toggler.set('text', 'Hauptmen\u00fc ausblenden');
      }
    });
  }
});