app/views/refinery/race_registrations/admin/groups/_sortable_list.html.erb
<ul id='sortable_list'>
<%= render :partial => 'group', :collection => @groups %>
</ul>
<%= render '/refinery/admin/sortable_list',
:continue_reordering => (local_assigns.keys.include?(:continue_reordering)) ? continue_reordering : true %>