window.addEvent('domready', function() {
    
    // create our Accordion instance
    var myAccordion = new Accordion($('accordion'), 'h3.toggler', 'div.element', {
        opacity: false,
        onActive: function(toggler, element){
            toggler.addClass('activeToggler');
        },
        onBackground: function(toggler, element){
            toggler.removeClass('activeToggler');
        }
    });
    
    
}); // end domready event