var menu = {

	chaves: new Array(90, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 91),

	exibeMenu: function(elA, menuId){
		var submenu;

		this.escondeTodos();

		if ((submenu = document.getElementById("submenu_"+menuId))){
			if (elA.className.indexOf("ativo") == -1){
				elA.className = "selecionado";
				submenu.className += " selecionado";
			}
			submenu.style.display = "block";
		}
	},

	escondeTodos: function(){
		var submenu, linksMenu, i;
		for(i = 0; i < this.chaves.length; i++){
			if ((submenu = document.getElementById("submenu_"+this.chaves[i]))){
				submenu.style.display = "none";
				submenu.className.replace(/ selecionado/, "");
			}
		}
		if ((linksMenu = document.getElementById("menu")) && (linksMenu = linksMenu.getElementsByTagName("a"))){
			for(i=0; i<linksMenu.length; i++){
				if (linksMenu[i].className.indexOf("ativo") == -1){
					linksMenu[i].className = null;
				}
			}
		}
	}

}