function Rollover() {

	// Funzione transizioni
	function fx(el, tmp, type) {el.set(type, {duration: tmp, transition: Fx.Transitions.linear});}    

    // Effetti rollover immagine
    var img = $$('.cameraImage','.rollover');
    img.set('opacity', 1);
    fx(img, 280, 'tween');
    
    img.addEvents({
        'mouseover': function(){
            this.tween('opacity', 0.7);
            
        },
        'mouseleave': function(){
            this.tween('opacity', 1);
        }
    });
	
}

window.addEvent('domready', Rollover);