index.haml

      #menu
        - menu_item "Compañía" do
          = menu_link("Medellin", page_path("1"))
          = menu_link("Misión",   page_path("2"))
          = menu_link("Visión",   page_path("3"))
          = menu_link("Valores",  page_path("4")) 

        - menu_item "Nuestros Servicios" do 
          = menu_link("Interpretación", service_path("1"))
          = menu_link("Arrendamiento Apartamentos", service_path("7"))
          - for service in @services
            = menu_link(service.name, service_path(service.permalink)) unless [1,7].include?(service.id)