function click(nom) {
	if (navigator.appName == "Microsoft Internet Explorer"){
			var eSrc = document.all[nom];
			corps = eSrc.children[1];
			methodes = eSrc.children[0].children;
			if (corps.className == "ligneOuverte") {
				corps.className="ligneFermee";
			} else {
				corps.className = "ligneOuverte";
			}
	} else {
		window.location.href = 'http://www.formationpizza.com/stages/' + nom + '/index.html';
	}
}