                                             <h:panelGroup id="staff" rendered="#{pharmacyPreSettleController.preBill.paymentMethod eq 'Staff'}">
                                                    <pa:staff_credit paymentMethodData="#{pharmacyPreSettleController.paymentMethodData}"/>
                                                    <p:ajax event="keyup" process="@this" listener="#{pharmacyPreSettleController.checkAndUpdateBalance()}" update="pBillDetails"/>
                                              