function cacheAllMenu(){
	for ( var i = 0 ; i < 10 ; i++ ) {
		ul = document.getElementById("ulRub"+i);
		if ( ul ) {
			ul.style.display = "none";
		}
	}
}
function afficheMenu(id){
	cacheAllMenu();
	ul = document.getElementById(id);
	if ( ul && ul.style.display == 'none' ) {
		ul.style.display = 'block';
	}
}
function cacheMenu(idMenu) {
	document.getElementById(idMenu).style.display = 'none';;
}