Some navigation using the Posts API

gistfile1.rb

def expand(parent)
  parent.posts.each do |child|
    link = "/collections#{@engine.getPathFor(child)}/rubyfragment.html"
    $document.write <<-END
      <div><a href='#{link}'>#{child['name']}<a></div>
      #{child['description']}
      <div style='padding-left: 20px'>
    END
    expand child
    $document.write <<-END
      </div>
    END
  end
end

@engine = $GoGoEgo.getPlugin('Posts')
expand @engine.current