anchor.diff:  
                         $newRow.find('td').last().html(REMOVE_RECEIPTLINE_BTN); 
   
  -                      $newRow.find(':input').removeAttr('id').prop('readonly', true); 
  +                      $newRow.find(':input').attr('readonly', true).removeAttr('id'); 
  +
  +                      $newRow.addClass('receipt-line');
   
                         $newRow.insertBefore( $receiptLineForm); 
   
  
positive.code:                       });
                    });
  
  
                });
              </script>
  
negative.code:       </div>
  
        <div class="actions">
              <%= f.submit :class => 'btn btn-primary', :id => 'submit-receipt' %>
        </div>
      </div>
    </div>
  