function AppVorlage() {
  var self = this;

  this.init = function() {
    app_menu_init(
      "data/menu/",
      "hauptmenue.json",
      "jslib/app-menu/app-menu.tpl",
      ".west",
      "8em");
    $(".hamburger").on("click", function(e) {
      self.app_menue_umschalten();
    });

  };

  this.app_menue_umschalten = function() {
    $(".hamburger").toggleClass("is-active"); // hamburger-icon umschalten
    app_menu_toggle(); // menue oeffnen/schliessen    
  };
}