Search form with ajax not worked ?

_search.html.erb

<ul>
  <% if [email protected]? %>

  <% @results.each do |result| %>
      <li>
        <%= result %>
      </li>
  <% end %>
  <% else %>
      <%= @results.inspect  %>
      <%= Time.now %>      

  <% end %>
</ul>

_search.js.erb

$('#search').html("<%= escape_javascript(render :partial => 'results') %>");

index.html.erb

<%= form_tag translate_search_path, :method => :get,
             :remote => true, :'data-update-target' => 'search' do %>
    <%= text_field_tag :search %>
    <%= submit_tag 'Search' %>
<% end %>

<div id="search">
  <%= render 'search' %>
  <%= render :partial => 'search' %>
</div>

output_in_server_console

[#<Translate id: 1544, translate_str: "yellow", EN: "Yellow", DE: "Gelb", ES: "Amarillo", FR: "Jaune", IT: "Giallo", JP: "黄色", PT: "Amarelo", CN: "黄色", TW: "黃色", created_at: "2013-07-24 10:27:32", updated_at: "2013-07-24 10:27:32">]


Started GET "/translate/search?utf8=%E2%9C%93&search=yellow&commit=Search" for 172.16.38.42 at 2013-07-26 10:03:34 +0800
Processing by TranslatesController#search as JS
  Parameters: {"utf8"=>"✓", "search"=>"yellow", "commit"=>"Search"}
  Translate Load (2.2ms)  SELECT "translates".* FROM "translates" WHERE (translate_str LIKE '%yellow%')
  Rendered translates/search.html.erb (0.7ms)
Completed 200 OK in 8ms (Views: 3.2ms | ActiveRecord: 2.2ms)

translate.rb

  def self.search(key)
    if key
      find(:all, :conditions => ['translate_str LIKE ?', "%#{key}%"])
    else
      find(:all)
    end

  end

translate_controller.rb

  def search
    
    @results =  Translate.search(params[:search])    

    respond_to do |format|
      format.js
    end

  end