app/views/topics/_topic_types.html.haml
.form-element
%label{:for => "topic_topic_type_id"}= t 'topics.topic_types.about_a'
= topic_type_select_with_indent('topic', 'topic_type_id', topic_types, :id, :name, nil, {:class=>"select", :tabindex => '1'}, (!defined?(pre_options).nil? ? pre_options : Array.new)).html_safe