window.onload = function() {

// ESPANDE I SETTORI 
//chiudi tutto
	var uls = document.getElementsByTagName("div");
	for (i=0;i<uls.length;i++) {
		if(uls[i].className == "submenu")uls[i].style.display ="none";
	}

}



function espandi(sm) {

//this.style.background='#fde3b0';
mID = sm.split(",")
//chiudi tutto
	var uls = document.getElementsByTagName("div");
	for (i=0;i<uls.length;i++) {
		if(uls[i].className=="submenu" && uls[i].id != mID)uls[i].style.display = "none" ;
	}

//apri l'ul richiesto
for (f=0;f<mID.length;f++) {//alert(mID);

	var submenus = document.getElementById(mID[f]);	//alert(submenus);
	var display = submenus.style.display;
	
	submenus.style.display = (display == "block") ? "none" : "block";
	
	
	}


	}