 value="#{searchController.department}" 
                                    filter="true">
                                    <f:selectItem itemLabel="All Departments" />
                                    <f:selectItems value="#{departmentController.getDepartmentsOfInstitutionAndSite(searchController.institution, searchController.site)}" var="d" itemLabel="#{d.name}" itemValue="#{d}" />
                                </p:selectOneMenu>
                            </h:panelGroup>

                      