function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("cont").getElementsByTagName("SPAN");
	var prefisso = document.getElementById("frec-" + obj);
	var pref1 = document.getElementById("frec-sub1");
	var pref2 = document.getElementById("frec-sub2");
	//var pref3 = document.getElementById("frec-sub3");
	
		if(el.style.display == "none"){
			for (var i=0; i<ar.length; i++){
				var sub = i+1;
				ar[i].style.display = "none";
				pref1.innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
				pref2.innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
			//	pref3.innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
			}
			el.style.display = "block";
			prefisso.innerHTML = "<img src='../images/freccia-giu.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
		}else{
			el.style.display = "none";
			prefisso.innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
		}
	}
}
function SwitchMenu2(obj,dim,p){

	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("cont").getElementsByTagName("SPAN");
	var prefisso = document.getElementById("frec"+p);

	
		if(el.style.display == "none"){
			for (var i=0; i<ar.length; i++){
				
			 document.getElementById("frec"+(i+1)).innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";				
				var sub = i+1;
				ar[i].style.display = "none";
				/*for (var jj=1; jj<dim; jj++){
					var idval = "frec-sub"+String(jj);
					document.getElementById(idval).innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
				}*/

			}
			 document.getElementById("frec"+p).innerHTML = "<img src='../images/freccia-giu.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";					
			el.style.display = "block";
			prefisso.innerHTML = "<img src='../images/freccia-giu.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
		}else{
			el.style.display = "none";
			prefisso.innerHTML = "<img src='../images/freccia.gif' width='24' height='24' hspace='0' vspace='0' border='0'>";
		}
	}
}
/*
function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
		if(el.style.display != "block"){ //DynamicDrive.com change
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submenu") //DynamicDrive.com change
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}
*/

function ChangeClass(menu, newClass) { 
	 if (document.getElementById) { 
	 	document.getElementById(menu).className = newClass;
	 } 
} 
document.onselectstart = new Function("return false");