window.addEvent('load', function(){
var accordion = new Accordion('.titolo-fase', '.dettaglio-fase', {
					opacity: false,
				    alwaysHide:true,
			        start: true,
	onActive: function(toggler, element){
		toggler.style.background="#d1e09a url(../images/fr-giu.gif) 18px center no-repeat";	
		var spans=toggler.getElementsByTagName('span');
		for (var i=0;i<spans.length;i++)
	spans[i].style.background="transparent url(../images/meno.gif) top left no-repeat";	
			var divs=element;
		divs.style.display="block";	
	},
 
	onBackground: function(toggler, element){
		toggler.style.background="#d1e09a url(../images/freccia-right.gif) 20px center no-repeat";	
			var spans=toggler.getElementsByTagName('span');
		for (var i=0;i<spans.length;i++)
	spans[i].style.background="transparent url(../images/piu.gif) top left no-repeat";	
	}
}, $('contenuto'));
});