window.onload = initMenuClick;
var actu;
var comp;
var mode;
var pause;
document.ondblclick = function() {
/*
	if (mode == 1) mode = 2;
	else mode = 1;
*/
}
function initMenuClick() {
	comp= true;
	mode = 2;
	actu = document.getElementById("div_actualites");

	pause = false;
	var as = actu.getElementsByTagName('a');
	for (var i=0;i<as.length;i++) {
		as[i].onmouseover = function(){ pause = true;}
		as[i].onmouseout = function(){ pause = false;}
	}

// changement des actus : toutes les 6secs
	setInterval(fade, 6000);

   var menu = document.getElementById('menu');
   var rubrique = menu.getElementsByTagName('a');
   for (var i=0;i<rubrique.length;i++) {
    if (rubrique[i].parentNode.className == "rubrique") {
   	  rubrique[i].onclick = function(){ return doSomething(this);}
	}
    
   }
}
function ChangerContenu() {
	var as = actu.getElementsByTagName('a');

	for (var i = 0; i < as.length; ++i) {
		if (comp)
			as[i].style.display = (i>=2)?'':'none';
		else
			as[i].style.display = (i<2)?'':'none';
	}
	comp = ! comp;
}

function changeOpac(i) {
	var actualites = document.getElementById("div_actualites").style;
	if (mode == 1)
		actualites.right = "-"+(10-i/10)+"em";
	else {
		actualites.MozOpacity = i/100;
		actualites.KhtmlOpacity = i/100;
		actualites.opacity = i/100;
		actualites.filter = "alpha(opacity="+ i + ")";
}
}

function fade() {
	if (! pause) {
		var vitesse = 5;
		for (var i = 0; i <= 100; ++i)
			setTimeout("changeOpac("+ (100-i) +")", vitesse*i);
		setTimeout("ChangerContenu()", vitesse*101);
		for (var i = 0; i <= 100; ++i)
			setTimeout("changeOpac("+ i +")", vitesse*(103+i));
	}
}

function doSomething(l) {
	var menu = document.getElementById('menu');
	var rubriques = menu.getElementsByTagName('li');
	var active = false;
	if (l.nextSibling.nextSibling == null) return true;
	for (var i=0;i<rubriques.length;i++) {
		if (rubriques[i].className == "rubrique") {
			var li = rubriques[i];
			var sousmenu = li.getElementsByTagName('div');
			if (sousmenu != null) sousmenu = sousmenu[0];
			var a = li.getElementsByTagName('a');
			if (a != null) a = a[0];

			if (li != l.parentNode) {
				if (a != null) a.style.fontWeight = "normal";
				if (sousmenu != null) sousmenu.style.display = "none";
				if (i == 0)
					li.style.backgroundImage = "url(images/borduremenu.gif)";
				else {
					if (active) {
						li.style.backgroundImage = "url(images/borduremenu4.gif)";
						active = false;
					}
					else 
						li.style.backgroundImage = "";
				}
			}
			else {
				if (a != null) a.style.fontWeight = "bold";
				if (sousmenu != null) sousmenu.style.display = "";
				if (i == 0)
					li.style.backgroundImage = "url('images/borduremenu3.gif')";
				else 
					li.style.backgroundImage = "url('images/borduremenu3t.gif')";
				active = true;
			}
		}
	}
	return false;
}