function Legende (num) {  
  NbMax=14;
var Comment;  
var ObjetAff = document.getElementById("Affiche");
  switch(num) {
  case 0:
    Comment="La route";
    break;
  case 1:
    Comment="La route";
    break;
  case 2:
    Comment="Le virage du Piquefattes";
    break;
  case 3:
    Comment="La maison de Rosette";
    break;
  case 4:
    Comment="Le virage du Piquefattes";
    break;
  case 5:
    Comment="Le virage du Piquefattes";
    break;
  case 6:
    Comment="La route des Plaines";
    break;
  case 7:
    Comment="La route";
    break;
  case 8:
    Comment="Vue => la route";
    break;
  case 9:
    Comment="La route";
    break;
  case 10:
    Comment="Vue => Est";
    break;
  case 11:
    Comment="La maison jaune";
    break;
  case 12:
    Comment="Vue => Nord";
    break;
  case 13:
    Comment="Le Stade";
    break;
  case 14:
    Comment="Les logements des Hauts-Fourneaux";
    break;
 }
  ObjetAff.innerHTML=Comment; }