function Legende (num) {  
  NbMax=22;
var Comment;  
var ObjetAff = document.getElementById("Affiche");
  switch(num) {
  case 0:
    Comment="La voie ferrée près de la Pharmacie";
    break;
  case 1:
    Comment="Le Château et l'Hôpital";
    break;
  case 2:
    Comment="La véranda du Château";
    break;
  case 3:
    Comment="La véranda du Château";
    break;
  case 4:
    Comment="Le Château";
    break;
  case 5:
    Comment="Vue générale";
    break;
  case 6:
    Comment="Le puits de la Vernède";
    break;
  case 7:
    Comment="Grotte";
    break;
  case 8:
    Comment="Grotte";
    break;
  case 9:
    Comment="Grotte";
    break;
  case 10:
    Comment="Grotte";
    break;
  case 11:
    Comment="Ruines";
    break;
  case 12:
    Comment="Ruines";
    break;
  case 13:
    Comment="La Croix";
    break;
  case 14:
    Comment="La Grotte";
    break;
  case 15:
    Comment="La Grotte";
    break;
  case 16:
    Comment="Grotte";
    break;
  case 17:
    Comment="Grotte";
    break;
  case 18:
    Comment="Grotte";
    break;
  case 19:
    Comment="La place";
    break;
  case 20:
    Comment="La Fenêtre";
    break;
  case 21:
    Comment="La Ferme";
    break;
  case 22:
    Comment="=> l'école";
    break;
 }
  ObjetAff.innerHTML=Comment; }