window.addEvent('domready', function() {
    var accordion = new Accordion('#accordion h2', '#accordion div.item', {
        opacity: false,
        onActive: function(toggler, element){
            toggler.setStyle('color', '#6C6C6C');
        },
     
        onBackground: function(toggler, element){
            toggler.setStyle('color', '#666');
        }
    }, $('accordion'));

});