<% cache(:action => :sumpin, :id => @root_blah.id, :part => 'topfoos') do -%>
<ul class="topfoos">
  <% position = 1 %>
  <% @top_foos_this_blah.each do |foo| -%>
    <li class="top<%= position %>">
    <%= link_to truncate(foo.title, 20), {:action => :foo_detail,
                                           :id => foo} %>
    </li>
    <% position += 1 %>
  <% end -%>
</ul>
<% end # cache topfoos -%>

<% cache(:action => :sumpin, :id => @root_blah.id, :part => 'blahs') do -%>
<ul class="blahs">
    <% position = 1 %>
    <% @blahs.each do |blah| -%>
        <% @blah_id = "blah_" + blah.id.to_s %>
    <li id="<%= @blah_id %>" class="<%= cycle('dk', 'lt') %>">
        <% if blah.children.size > 0 -%>
            <%= link_to_remote blah.title, {:url => {:action => :list,
                                                     :id => blah},
                                            :method => :get},
                                           {:class => 'blah'} %>
        <% else -%>
            <%= link_to blah.title, {:action => :list_foos,
                                   :id => (blah.title_urlfriendly + '.html')},
                                   {:class => 'link'} %>
        <% end -%>
    </li>
        <% position += 1 %>
    <% end -%>
</ul>
<% end # cache blahs -%>