function alert_suppression(page,chose){
    if(confirm("Etes vous sur de vouloir supprimer "+chose+"?"))
      window.location.href =page;
}


function deplier_reponse(id_reponse){
    reponse = document.getElementById(id_reponse);
    if(reponse.style.display=="none"){
        reponse.style.display = "block";
    }
    else{
        reponse.style.display = "none";
    }
}