module ApplicationHelper
  def render_site_menu(menu= :site_menu, project=nil)
    links = []
    menu_items_for(menu, project) do |item, caption, url, selected|
      links << content_tag('li',
        link_to(h(caption), url), item.html_options(:selected => selected))
    end
    links.empty? ? nil : content_tag('ul', links.join("\n"))
  end
end