code: function() {
          var deactivated = OpenLayers.Strategy.prototype.deactivate.call(this);
          if(deactivated) {
              if(this.auto) {
                  if(typeof this.auto === "number") {
                      window.clearInterval(this.timer);
                  } else {
                      this.layer.events.un({
                          "featureadded": this.triggerSave,
                          "afterfeaturemodified": this.triggerSave,
                          scope: this
                      });
                  }
              }
          }
          return deactivated;
      }
docs: APIMethod: deactivate
  Deactivate the strategy.  Unregister any listeners, do appropriate
  tear-down.
  
  Returns:
  {Boolean} The strategy was successfully deactivated.