window.addEvent('domready', function() {
    //create our Accordion instance
    var myAccordion = new Accordion($('test'), 'tr.trigger', 'div.element', {
        opacity: false,
        start: 'all-closed',
        onActive: function(toggler, element) {
            $$('tr.trigger').each(function(item, index) {
                item.setStyle('fontWeight', 'normal');
            });
            toggler.setStyle('fontWeight', 'bold');
        }
    });

    $$('tr.trigger').each(function(item, index) {
        item.addEvent('mouseover', function(event) {
            item.addClass('highlight');
        });
        item.addEvent('mouseout', function(event) {
            item.removeClass('highlight');
        });
    });

});