dSiteForInstitution(searchController.institution)}"
                                    var="d"
                                    itemLabel="#{d.name}"
                                    itemValue="#{d}" />
                            </p:selectOneMenu>

                            <!-- Component 4: With Both Institution and Site -->
                            <p:selectOneMenu
                                rendered="#{searchController.institution ne null and searchController.site ne null}"
           