var prevnav = null;
var prevnavsub = null;

function shownav(n,l) {
	if (l==null) l = "";
	if (prevnav) { 
		document.getElementById("sub"+prevnav).style.display = "none";
		document.getElementById("triangle"+prevnav).style.display = "none";
		document.getElementById("nav_"+prevnav).src = l+"/i/menu/"+prevnav+".gif";
	}
	if (prevnavsub && document.getElementById("subsub"+prevnavsub)!=null) {
		document.getElementById("subsub"+prevnavsub).style.display = "none";
		document.getElementById("subtriangle"+prevnavsub).style.display = "none";
	}
	document.getElementById("sub"+n).style.display = "block";
	document.getElementById("nav_"+n).src = l+"/i/menu/"+n+"_a.gif";
	document.getElementById("triangle"+n).style.display = "block";
	
	document.getElementById("closemenu").style.zIndex = 300;
	
	prevnav = n;
}

function shownavsub(n) {
	if (prevnavsub && document.getElementById("subsub"+prevnavsub)!=null) {
		document.getElementById("subsub"+prevnavsub).style.display = "none";
		document.getElementById("subtriangle"+prevnavsub).style.display = "none";
	}
	if (document.getElementById("subsub"+n)!=null) {
		document.getElementById("subsub"+n).style.display = "block";
		document.getElementById("subtriangle"+n).style.display = "block";
		prevnavsub = n;
	}
	
	document.getElementById("closemenu").style.zIndex = 300;
}

var prevprojet = null;

function showprojet(p) {
	if (prevprojet) document.getElementById("proj"+prevprojet).style.display = "none";
	document.getElementById("proj"+p).style.display = "block";
	prevprojet = p;
}

var prevassoc = 0;

function showAssoc(i) {
	document.getElementById("assoclink"+prevassoc).className = "unselected";
	document.getElementById("assoc"+prevassoc).style.display = "none";
	document.getElementById("assoc"+i).style.display = "block";
	document.getElementById("assoclink"+i).className = "selected";
	prevassoc = i;
}