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

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