anchor.diff:          <th></th>
           <th></th>
           <th></th>
  -        <th></th>
  +        <th>
  +          <a href="#" id="unselect_all">Unselect All</a>/<a href="#" id="select_all">Select All</a>
  +        </th>
         </tr>
       </thead>
       <tbody>
  
positive.code:               <%= "(" + pf.object.details + ")"%>
              <% end %>
            </td>
            <td><%= pf.hidden_field :amount, "data-cents" => pf.object.amount * 100 %><span class="fee"><%= fcost(pf.object.amount) %></span></td>
            <td>
              <%= pf.check_box :_destroy, :class => "delete_payment_item", :style => "display: none" %>
              <%= check_box_tag :anon, nil, true, :class => "anon" %>
            </td>
          </tr>
        <% end %>
  
negative.code:       var total_cents = 0;
        all_values.each(function() {
          var el = $(this);
          if (el.prop('checked')) {
            total_cents += parseInt(el.data("cents"));
          }
        });
  