var current;
var query;

function init() {
	current = document.getElementById("ndefault");
	overview = document.getElementById("overview");
}

function show(id) {
	if (current) current.style.display = "none";
	current = document.getElementById("n" + id);
	if (current) current.style.display = "block";
}

function hide() {
	show("default");
}

function setQuery(q) {
	query = q;
}

function go(id) {
	document.location=query + id;
}