anchor.diff:          if (Number($("#refund_amount").attr('value')) > <%= @payment.purchased_amount %> ||
             Number($("#refund_amount").attr('value')) <= 0) {
             setClassForElement("#div_refund_amount", "form-group error");
  -          $("#submit").prop('disabled', true);
  +          $('#new_kill_bill_client_model_invoice_item :submit').prop('disabled', true);
           } else {
             setClassForElement("#div_refund_amount", "form-group");
  -          $("#submit").prop('disabled', false);
  +          $('#new_kill_bill_client_model_invoice_item :submit').prop('disabled', false);
           }
       };
   
  
positive.code:         * If doing invoice Item adjustment, disable entries that were not selected, so the controllers does not
          * get them
          */
          $("#submit").click(disableNonCheckedInvoiceItem);
  
          /*
          * Adjustment type handlers
          */
          $("#adjustment_type_noInvoiceAdjustment")
          .click(onClickWithInvoiceOrNoAdjustment);
          $("#adjustment_type_invoiceAdjustment")
          .click(onClickWithInvoiceOrNoAdjustment);
          $("#adjustment_type_invoiceItemAdjustment")
          .click(onClickWithInvoiceItemAdjustment);
  
negative.code:     * Disabled unwanted invoice item at the time we submit the form
      */
      var disableNonCheckedInvoiceItem = function() {
  
          $('input').filter(function() {
              return this.id.match(/cb_adj_/);
          }).each(function() {
  