              </f:facet>   
                                    <p:outputLabel value="#{bf.staff.speciality.name}" ></p:outputLabel>
                                </p:column>
                                <p:column headerText="Doctor" width="8em" rendered="#{staffPaymentBillController.currentStaff eq null}">
                                    <f:facet name="header">
                                        <h:outputLabel value="Doctor"/>
                                    </f:facet>   
                