%
relation_field = "#{f.object_name}_#{type.pluralize}"
records = f.object.send(relation_field)
%>
<% records.each do |record| %>
<%= f.fields_for relation_field, record do |f| %>
<%= render :partial => "backup_form_block", :locals=>{:f=>f} %>
<% end %>
<% end %>