var stretchers = $$('div.accordion');
	var togglers = $$('h3.toggler');
	stretchers.setStyles({'height': '0', 'overflow': 'hidden'});
	window.addEvent('load', function(){
		togglers.each(function(toggler, i){
			toggler.color = toggler.getStyle('background-color');
			toggler.$tmp.first = toggler.getFirst();
			toggler.$tmp.fx = new Fx.Style(toggler, 'background-color', {'wait': false, 'transition': Fx.Transitions.Quart.easeOut});
		});
		//the accordion
		var myAccordion = new Accordion(togglers, stretchers, {
			'opacity': false,
   			'start': false,
			'transition': Fx.Transitions.Quad.easeOut,
			onActive: function(toggler){
				toggler.$tmp.fx.start('#dff3ab');
				toggler.$tmp.first.setStyle('color', '#f36405');
			},
			onBackground: function(toggler){
				toggler.$tmp.fx.stop();
				toggler.setStyle('background-color', toggler.color).$tmp.first.setStyle('color', '#2C89CF');
			}
		});
		//open the accordion section relative to the url
		var found = 9999;  // modificato io per non far aprire automaticamente il primo - era settato a 0
		$$('h3.toggler a').each(function(link, i){
			if (window.location.hash.test(link.hash)) found = i;
		});
		myAccordion.display(found);
		//the draggable ball
		var ball = $('header').getElement('h1');
		var ballfx = new Fx.Styles(ball, {duration: 1000, 'transition': Fx.Transitions.Elastic.easeOut});
		new Drag.Base(ball, {
			onComplete: function(){
				ballfx.start({'top': 13, 'left': 358});
			}
		});
	});