function highlightNav() {
	var chemin = "";
	var cheminComplet = "";
	if(document.getElementById("headnav")) {
		if(document.location.search) {
			cheminComplet = document.location.href;
			cheminCompletSansQueryString = cheminComplet.split(document.location.search);
			cheminComplet = cheminCompletSansQueryString[0];
		} else {
			cheminComplet = document.location.href;
		}
		cheminCompletDecoupe = cheminComplet.split("/");
		if (cheminCompletDecoupe[cheminCompletDecoupe.length-1] == "") {
			chemin = cheminComplet;
			cheminComplet += "index.php";
		} else {
			chemin = cheminCompletDecoupe.splice(0,cheminCompletDecoupe.length-1) 
			chemin = chemin.join("/");
			chemin += "/";
		}
		listeDesLiens = document.getElementById("headnav").getElementsByTagName("a");
		for (var i=0; i<listeDesLiens.length; i++) {
			if(listeDesLiens[i].getAttribute("href") == cheminComplet || (chemin + listeDesLiens[i].getAttribute("href")) == cheminComplet) {
				listeDesLiens[i].id = "actif";
				break;
			}
		}
	}
}
window.onload =	function () {highlightNav()};