code: function() {
          this.moveLayerToTop();
          this.map.events.on({
              "removelayer": this.handleMapEvents,
              "changelayer": this.handleMapEvents,
              scope: this
          });
          return (this.handlers.keyboard.activate() &&
                  this.handlers.drag.activate() &&
                  OpenLayers.Control.prototype.activate.apply(this, arguments));
      }
docs: APIMethod: activate
  Activate the control.
  
  Returns:
  {Boolean} Successfully activated the control.