window.addEvent('domready', function() {
	
	//create our Accordion instance
	var myAccordion = new Accordion($('accordion'), 'h4.toggler', 'div.element', {
		fixedHeight: false,
		show: 0,
		opacity: true,
		 
		 
		//original mootools example code
		//onActive: function(toggler, element){
		//	toggler.setStyle('color', '#4b4b4b');
		//},
		 
       onActive: function(toggler, element){
 		$('masthead').getElement('img').setProperty('src',toggler.getNext().getProperty('src'));
  		toggler.setStyle('color', '#4b4b4b');
		},
 
		onBackground: function(toggler, element){
			toggler.setStyle('color', '#bdbdbd');
		}
	});

	});