%ul{ :class => "sf-menu" }
  - Page.navigation.each do |root|
    %li
      = link_to root.link, link_path(root.name)
      %ul
        - root.children.show_in_nav.each do |item|
          %li
            = nav_link(item)
            - unless item.children.empty?
              %ul
                - item.children.each do |item|
                  %li= nav_link(item)