/* Variabile globale */
var lock = false;
var flagComune = false;

/* gestione del menu */
function mmenu(ID) {
	if(!lock){
		var menu = document.getElementById(ID);
		var display = menu.style.display;
		menu.style.display = (display == "block") ? "none" : "block";
		menu.parentNode.style.listStyleImage = (display == "block") ? "url(style/images/cartellachiusa.gif)" : "url(style/images/cartellaaperta.gif)";
	}
}

/* inizializzazione del menu */
function loadMenuDocumenti() {
		var uls = document.getElementsByTagName("ul");
		for (i=0;i<uls.length;i++) {
			if(uls[i].getAttribute("class")=="submenu")uls[i].style.display = "none";
			if(uls[i].getAttribute("id") && uls[i].getAttribute("id").search("submenu-")!= -1) uls[i].style.display = "none";
		}
		var view = document.getElementById('view').value;
		if(view != ''){
			var liview = document.getElementById('link-'+view);
			if(liview.className == 'menu'){
				mmenu('submenu-'+view);
			}else{
				liview.className = 'selected';
			}
			openView(liview.parentNode);

		}

}

function openView(subMenu){
		subMenu.style.display = "block";
		var subMenuTmp = subMenu.parentNode.parentNode;
		if(subMenuTmp.getAttribute('id') != 'root'){
			openView(subMenuTmp);	
		}
}

function lockTree(){
		lock = true;
}

function unlockTree(){
		lock = false; 
}