anchor.diff:  <%- @nii_types.each do |nii_type| -%>
     <tr class="line<%= cycle("0", "1") -%>">
       <td>
  -      <%- if can? :update, nii_type -%>
  +      <%- if policy(nii_type).update? -%>
           <%= move_position(nii_type) -%>
         <%- end -%>
       </td>
  
positive.code: 
  <div id="submenu" class="ui-corner-all ui-widget-content">
    <ul>
      <li><%= link_to t('page.new', :model => t('activerecord.models.nii_type')), new_nii_type_path -%></li>
    </ul>
  </div>
  
negative.code:     </td>
      <td><%= nii_type.note -%></td>
      <td>
        <%- if policy(nii_type).update? -%>
          <%= link_to t('page.edit'), edit_nii_type_path(nii_type) -%>
        <% end %>
        <%- if policy(nii_type).destroy? -%>
          <%= link_to t('page.destroy'), nii_type, :data => {:confirm => t('page.are_you_sure')}, :method => :delete -%>
        <% end -%>
      </td>
  