anchor.diff:          "displayStart": <%= [0, nb_bus_entries - 50].max %>,
       <% end %>
         "pageLength": 50,
  -      "order": []
  +      "order": [],
  +      "columnDefs": [
  +        {
  +          "targets": [ <%= @account_id.blank? ? 5 : 4 %> ],
  +          "visible": false,
  +          "searchable": true
  +        }
  +      ]
       });
       $('#notifications-table').dataTable({
       <% if nb_notifications_entries <= 50 %>
  
positive.code:               <% if @account_id.blank? %>
                    <th>Account record id</th>
                <% end %>
              </tr>
              </thead>
              <tbody>
  
negative.code:               <% if @account_id.blank? %>
                    <th>Account record id</th>
                <% end %>
                <th></th>
              </tr>
              </thead>
              <tbody>
  