function Rol_Bouton_Photo(indice)
    {switch (indice)
      {case 1: document.images["LienBis"+indice].src="Images/Exterieur_J.jpg";
               break;

       case 2: document.images["LienBis"+indice].src="Images/Interieur_J.jpg";
               break;

       case 3: document.images["LienBis"+indice].src="Images/Tables_J.jpg";
               break;

       default: document.images["LienBis"+indice].src="Images/Transparent.gif";
                break;
      }           
    }