anchor.diff:        Element.show('edit_promoter_link')
       }
     });
  +// -->
   </script>
   <% end -%>
positive.code:       update_page_tag { |page| page.hide(:edit_promoter_link) }
      end -%>
  
  <% unless @event.new_record? -%>
  <script type="text/javascript" charset="utf-8">
    new Form.Element.Observer('event_promoter_id', 0, function(element, value) {
      if (value == '') {
        Element.hide('edit_promoter_link');
  
negative.code:             <%= f.labelled_text(:date, @event.date ? @event.date.strftime('%A, %B %d, %Y') : "") %>
          <% end -%>
  
          <%= f.labelled_text_field(:time) if administrator? %>
          <%= f.labelled_select(:discipline, @disciplines.sort) if administrator? %><br/>
  
          <%= f.label :city, "City, State" %>
  