  <p:calendar value="#{billController.toDate}" pattern="#{sessionController.applicationPreference.longDateTimeFormat}"  ></p:calendar>
                            <h:outputLabel value="Institution" ></h:outputLabel>
                            <p:autoComplete id="acIns" 
                                            completeMethod="#{institutionController.completeIns}" var="ins" 
                                            itemLabel="#{ins.name}" itemValue="#{ins}" forceSelection="true" 
                     