window.addEvent('domready', function(){
var mySlide = new Fx.Slide('top-panel');
mySlide.hide();
$('toggle').addEvent('click', function(e){
e = new Event(e);
mySlide.toggle();
e.stop();
});
});

var wImage = false;
function cambiaImg(){
wImage = !wImage;
if (wImage == true) {document.frecciasugiu.src="../imgs/accordion-chiudi.gif";}
if (wImage == false) {document.frecciasugiu.src="../imgs/accordion-apri.gif";}
}