Categories
<%= link_to "New", new_category_path %>
<% @categories.each do |category| %>
<%= content_tag_for(:li, category) do %>
<%= category.name %> - <%= category.parent_id.to_i %> <%= link_to "Edit", edit_category_path(category), :id => dom_id(category) %>
<% end %>
<% end %>