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

	new SmoothScroll({ duration:600 }, window); // attivo lo smoothscroll
	
	
	var lavori = $$('.lavoro');
	
	lavori.each(function(link){

		link.addEvent('mouseenter',function(){
			this.getElement('div').tween('opacity', 0, 1);
		});
		
		link.addEvent('mouseleave',function(){
			this.getElement('div').tween('opacity', 1, 0);
		});

	});
	
});