function Scendi(menu,freccia)  {
 temp = document.getElementById(menu);
	if (temp.style.display == "" ) {
	new Effect.SlideUp(menu,{duration:0.5})
	}
	else {
	new Effect.SlideDown(menu,{duration:0.5})
	};
}

function Sali(menu,freccia)  {
 temp = document.getElementById(menu);
	if (temp.style.display == "" ) {
	new Effect.SlideUp(menu,{duration:0.5})
	}
	else {
	new Effect.SlideDown(menu,{duration:0.5})
	};
}