(function() {
        var Y = YAHOO.util,
            Event = Y.Event,
            Dom = Y.Dom;
        
        function initRollover () {
          var Anim = new Y.Motion('over', {
              points: {
                by: [0, 580]
              }
            }, 1, Y.Easing.elasticOut);
          Anim.animate();
        }   
		
		Event.on(window, 'load', function(e) {   /* azione al caricamento*/
            Event.preventDefault(e);
            initRollover();
          });
		 
        Event.onDOMReady(function() {			/* azione al click su div example*/
          Event.on('example', 'click', function(e) {
            Event.preventDefault(e);
            initRollover();
          });
          Event.on('close', 'click', function() {  /* azione al click su div close*/
            Dom.setStyle('over', 'top', '-700px');
          });
        });
      })();