function SwitchMenu(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("principale").getElementsByTagName("span");
		if(el.style.display != "block"){
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="menu_int")
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}
		else {
			el.style.display = "none";
		}
	}
}

function NoSwitchMenu(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("principale").getElementsByTagName("span");
		if(el.style.display != "none"){
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="menu_int")
				ar[i].style.display = "none";
			}
			el.style.display = "none";
		}
		else {
			el.style.display = "none";
		}
	}
}


function seleziona(id) {
if (!document.getElementById) return;
selDiv = document.getElementById(id);
//selDiv.style.color = "#00A55B";
//selDiv.style.backgroundColor = "#FFCC00";
selDiv.style.visibility="visible";
}
function deseleziona(id) {
if (!document.getElementById) return;
selDiv = document.getElementById(id);
//selDiv.style.color = "#003366";
//selDiv.style.backgroundColor = "#FFFFFF";
selDiv.style.visibility = 'hidden';
}


function Menu(links) {
     location.href = links.value;
	 window.open = links.value + "_blank";
}