function calcule(){
  var latins=document.formulaire.latins.value;
  var total_latins = latins * 28;
  document.getElementById('txt_latins').innerHTML = total_latins;
  // ----------------------------
  var sauvememoire=document.formulaire.sauvememoire.value;
  var total_sauvememoire = sauvememoire * 16;
  document.getElementById('txt_sauvememoire').innerHTML = total_sauvememoire;
  // ----------------------------
  var bedarieux=document.formulaire.bedarieux.value;
  var total_bedarieux = bedarieux * 22;
  document.getElementById('txt_bedarieux').innerHTML = total_bedarieux;
  // ----------------------------
  var terrasses=document.formulaire.terrasses.value;
  var total_terrasses = terrasses * 10;
  document.getElementById('txt_terrasses').innerHTML = total_terrasses;
  // ----------------------------
  var passions=document.formulaire.passions.value;
  var total_passions = passions * 10;
  document.getElementById('txt_passions').innerHTML = total_passions;
  // ----------------------------
  var arenes=document.formulaire.arenes.value;
  var total_arenes = arenes * 10;
  document.getElementById('txt_arenes').innerHTML = total_arenes;
  // ----------------------------
  var visages=document.formulaire.visages.value;
  var total_visages = visages * 10; 
  document.getElementById('txt_visages').innerHTML = total_visages;
  // ----------------------------
  var reine=document.formulaire.reine.value;
  var total_reine = reine * 10;
  document.getElementById('txt_reine').innerHTML = total_reine;
  // ----------------------------
  var andalous=document.formulaire.andalous.value;
  var total_andalous = andalous * 25;
  document.getElementById('txt_andalous').innerHTML = total_andalous;
  // ----------------------------
  var pere=document.formulaire.pere.value;
  var total_pere = pere * 25;
  document.getElementById('txt_pere').innerHTML = total_pere;
  // ----------------------------
  var bleuenn=document.formulaire.bleuenn.value;
  var total_bleuenn = bleuenn * 25;
  document.getElementById('txt_bleuenn').innerHTML = total_bleuenn;
  // ----------------------------
  var cycles=document.formulaire.cycles.value;
  var total_cycles = cycles * 26;
  document.getElementById('txt_cycles').innerHTML = total_cycles;
  // ----------------------------
  var capendeguy=document.formulaire.capendeguy.value;
  var total_capendeguy = capendeguy * 26;
  document.getElementById('txt_capendeguy').innerHTML = total_capendeguy;
  // ----------------------------
  var frais_port = 6;
  var total = frais_port + total_latins + total_sauvememoire + total_bedarieux + total_terrasses + total_passions + total_arenes + total_visages + total_reine + total_andalous + total_pere + total_bleuenn + total_cycles + total_capendeguy;
  document.getElementById('txt_total').innerHTML = total;

}