var navegando = false;
		
function tenta_voltar(){
	setTimeout("volta_normal()",1000);
}
function volta_normal(){
	if (navegando == false){
		mostrar_segmento('todas_embalagens');
	}
}

function submenu(aparece,menu, submenu){
	if (aparece == "aparece"){
		document.getElementById(menu).style.display = "none";
		document.getElementById(submenu).style.display = "block";

	}else {
		document.getElementById(menu).style.display = "block";
		document.getElementById(submenu).style.display = "none";
		navegando = false;
	}
}