window.addEvent('domready', function() {
        var accordion = new Accordion('h3.atStart', 'div.atStart', {
          opacity: false,
          onActive: function(toggler, element){
            toggler.setStyle('font-weight', 'bold');
            toggler.setStyle('background', '#fff');
          },
          onBackground: function(toggler, element){
            toggler.setStyle('font-weight', 'normal');
            toggler.setStyle('background', '#eee');
          }
        }, $('accordion'));
      });