function saisie() {
        newfenetre = window.open("saisie_res.htm","Envoi_de_donnees","width=700,height=600,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,top=0,left=0");
}
function upload() {
        newfenetre = window.open("envoi_res.htm","Envoi_de_donnees","width=700,height=600,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,top=0,left=0");
}