app/views/records/update_soa.js.erb
$('#soa').replaceWith('<%= escape_javascript render(:partial => '/domains/soa_record', :object => @domain.soa_record) %>');
<% if @domain.soa_record.errors.empty? %>
$('#soa-form').hide();
$('#soa-view').show();
humane("<%= escape_javascript t(:message_record_soa_updated) %>");
<% else %>
$('#soa-form').show();
$('#soa-view').hide();
<% end %>