Mine

  def menu_item(label, id = nil, url = nil)    id ||= "#{label.downcase}"    id = "menu_#{id}"    url ||= { :controller => label.downcase }    url[:controller] = "/admin/#{url[:controller]}" unless url[:controller][0..6] == "/admin"    if @controller.controller_name == url[:controller][7..(url[:controller].length)]      tag_class = "selected"    end    content_tag("li", link_to(label, url), :id => id, :class => tag_class, :onclick => "document.location.href = '#{url_for(url)}'")  end