anchor.diff:      return false;  
     });
   }); 
  -</script>
  +</script>-->
   <% content_for :sidebar_left do %>
   <% form_for :participant, @search_participant, :url => { :action => "index" },
   :html => {:method => "get", :class => "search"} do |f| %>
  
positive.code: <script>
  $(document).ready(function (){  
    jQuery.ajaxSetup({  
      'beforeSend': function (xhr) {xhr.setRequestHeader("Accept", "text/javascript")}  
  
negative.code:   </ul>
  
    <br />
    <%= f.submit 'Search' %> <%= link_to (submit_tag 'Show all', :type => 'button'), :action=>:index %><br>
    <% end %>
  <% end %>
  
  