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

//it displays the sublinks of the selected section. It is called when window is loaded (addLoadEvent)
function init(){
var elclicked=document.getElementById("clicked");
if(elclicked!=null){
var idlink=elclicked.getAttribute("title");
SwitchMenu(idlink);}
}

function toggleContent(name,n) {
	var i,t='',el = document.getElementById(name);
	if (!el.origCont) el.origCont = el.innerHTML;
	
	for (i=0;i<n;i++) t += el.origCont;
	el.innerHTML = t;
	}
	//add onClick event to each link of the nav, calling function SwitchMenu
	function prepareLxNav(){
	var links=document.getElementsByTagName("a");
	var idlink="";
	for(i=0;i<links.length;i++){
	if(links[i].className=="menutitle"){ 
	idlink=links[i].childNodes[0].getAttribute("id");
	if(idlink!="clicked"){links[i].onClick=SwitchMenu(idlink);}
	}
		}
	}
	window.addLoadEvent(init);
	window.addLoadEvent(prepareLxNav);