// JavaScript Document

var menuAtivo = "";

function menu(id){
	var n = "m"+id;
	var p = document.getElementById(n).getElementsByTagName("ul");
	if(menuAtivo==""){
		for(var i=0; i<p.length; i++){
			p[i].style.display = 'block';
			menuAtivo = id;
		}
	}else{
		var n2 = "m" + menuAtivo;
		var p2 = document.getElementById(n2).getElementsByTagName("ul");
		for(var o=0; o<p2.length; o++){
			p2[o].style.display = 'none';
		}
		if(menuAtivo!=id){
			menuAtivo = "";
			menu(id);
		}else{
			menuAtivo = "";
		}
	}
}