text: App.Views.BaseScreen = Backbone.View.extend({
  
      initialize: function(name) {
          this.name = name;
      },
  
      preShow: function(options, callback, scope) {
          var result = this._preShow(options, callback, scope);
          if (result !== false) {
              callback.call(scope || window);
          }
      },
  
      _preShow: function(options, callback, scope) {
  
      },
  
      postShow: function() {
          this._postShow();
      },
  
      _postShow: function() {
  
      },
  
      show: function() {
  
          this.$el.show();
          return this;
  
      },
  
      hide: function() {
  
          this.$el.hide();
          return this;
          
      }
  
  });