function menu_recherche(id){
	if (document.getElementById(id).className == "visible"){
		document.getElementById(id).className = "invisible";
	}
	else {
		document.getElementById(id).className = "visible";	
	}
}

function menuList(id){
	if (document.getElementById(id).className=="plusList") {
		document.getElementById(id).className = "moinList";
	}else {
		document.getElementById(id).className="plusList";
	}
}