      <f:selectItems value="#{nomenclatureController.anneesConvention}" />
                                    <p:ajax  event="valueChange"
                                             update="etapes" onstart="PF('statusDialog').show();" oncomplete="PF('statusDialog').hide();"
                                             listener="#{conventionController.getRechEtapes}" />
                                </h:selectOneMenu>
                            </t:htmlTag>
                            <t:htmlTag value=