function mmenu2(mID) {
	var menu2 = document.getElementById(mID);
	var display = menu2.style.display;
	menu2.style.display = (display == "block") ? "none" : "block";
	menu2.parentNode.style.listStyleImage = (display == "block") ? "url(images/cartellachiusa.gif)" : "url(images/cartellaaperta.gif)";
}

function mmenu3(){
var uls = document.getElementsByTagName("ul");
for(i=0;i<uls.length;i++)
{
if(uls[i].className=="submenu2")uls[i].style.display = "none";
}
}