window.addEvent('domready', function(){
	//var accordion = new Accordion('h3.atStart', 'div.atStart', {
	var accordion = new Accordion('h3.atStart', 'div.atStart', {
		opacity: true,
		onActive: function(toggler, element){
			toggler.setStyles({
				'background-color':'#000000',
				'color':'#ffffff',
				'background-position':'15px -20px'
			});
		},
		
		onBackground: function(toggler, element){
			toggler.setStyles({
				'background-color':'#00ccff',
				'color':'#000000',
				'background-position':'15px 0px'
			});
		}
	}, $('accordion'));
	//}, $('accordion'));
	
	var newTog = new Element('h3', {'class': 'toggler'}).setHTML('Common descent');
	 document.getElementById("accordion").style.visibility='visible';

});