public function updateAccountMenu($menu)
    {
        $curr_action = $this->owner->request->param("Action");
        
        $menu->add(new ArrayData(array(
            "ID"    => 11,
            "Title" => _t('Checkout.Addresses', 'Addresses'),
            "Link"  => $this->owner->Link("addresses"),
            "LinkingMode" => ($curr_action == "addresses") ? "current" : "link"
        )));
    }