text: var houseLevel = (function () {
    var level = Level.create('house');
  
    var oldPreload = level.preload;
    level.preload = function () {
      oldPreload.call(this);
      game.load.image('facade', 'assets/ambience/house/facade.png');
      game.load.image('door', 'assets/ambience/house/door.png');
    };
  
    var oldCreate = level.create;
    level.create = function () {
      oldCreate.call(this);
      game.stage.backgroundColor = '#fff';
      this.facade = game.add.sprite(0,0, 'facade');
      zOrder.putInLayer(this.facade, 'SKY');
  
      this.door = Building.create(game.world.width, game.world.height - 20,
                                  'door', this, mainLevel,
                                  { x : config['main-level'].house.x,
                                    y : config['main-level'].house.y });
      this.door.anchor.set(1,1);
    };
  
    return level;
  })();
  