du = 0;
		function escondediv(dv,n){
			for(i = 1; i <= n; i++){
				if(i == dv){
					if(du != dv){
						document.getElementById('mdiv'+i).style.display = "inline";
						du = dv;
					} else{
						du = 0;
						document.getElementById('mdiv'+i).style.display = "none";
					}
				} else{
					document.getElementById('mdiv'+i).style.display = "none";
				}
			}
		}

		function reveza(qq){
			document.getElementById(qq).className = "itens_menu_r";
		}

		function volta(qq){
			document.getElementById(qq).className = "itens_menu"
		}