window.addEvent('load', function(){

	var accordion = new Accordion('div.elementN1', 'div.niveau2', {
		opacity: false,
		onActive: function(toggler, element){
			toggler.addClass('active');
		},

		onBackground: function(toggler, element){
			toggler.removeClass('active');
		},
		alwaysHide:true
	}, $('accordeon'));

});