anchor.diff:        {:multipart => true}) do %>
         <p><%= file_field_tag :grader_criteria_mapping, :size => 2 %> <br />
           <%= submit_tag t(:upload), :disable_with => t(:uploading_please_wait) %>
  -        <button onclick="modalUpload.close(); return false;"><%= I18n.t('cancel') %>
  -        </button>
  +        <%= button_to_function I18n.t('cancel'), "modalUpload.close(); return false;" %>
         </p>
       <% end %>
     <% end %>
  
positive.code:     {:multipart => true}) do %>
      <p><%= file_field_tag :grader_mapping, :size => 2 %> <br />
        <%= submit_tag t(:upload), :disable_with => t(:uploading_please_wait) %>
        <button onclick="modalUpload.close(); return false;"><%= I18n.t('cancel') %>
        </button>
      </p>
    <% end %>
  
  
negative.code: 		    download_grader_criteria_mapping_assignment_graders_path(@assignment),
  		    :onclick => "modalDownload.close();" %></li>
    </ul>
    <%= button_to_function I18n.t('cancel'), "modalDownload.close(); return false;" %>
  </div>
  
  <div id="upload_dialog">
  