ass="customPstage fix-selectOneMenu">
                                    <f:selectItem itemLabel="#{msgs['RECHERCHECONVENTION.ETRANGERE']}"
                                                  itemValue="true" />
                                    <f:selectItem
                                            itemLabel="#{msgs['RECHERCHECONVENTION.CHOIX.PAYS']}"
                                            itemValue="false" />
                                    <p:ajax event="change" update="choixLieuPanel" />
  