anchor.diff:        var total_cents = 0;
         all_values.each(function() {
           var el = $(this);
  -        var not_included = findDeleteCheck(el);
  -        if (not_included.prop('checked')) {
  -        }
  -        else
  -        {
  +        if (el.prop('checked')) {
             total_cents += parseInt(el.data("cents"));
           }
         });
  
positive.code:       del.prop('checked', !el.prop('checked'));
        $("#total_field").html(calculateTotal());
      });
      $(document).ready(function() {
        // calculate initially
        $("#total_field").html(calculateTotal());
  
negative.code:         <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>
  