code: function(evt) {
          if (this.started && !OpenLayers.Event.isMultiTouch(evt)) {
              this.started = false;
              this.pinching = false;
              this.callback("done", [evt, this.start, this.last]);
              this.start = null;
              this.last = null;
              return false;
          }
          return true;
      }
docs: Method: touchend
  Handle touchend events
  
  Parameters:
  evt - {Event}
  
  Returns:
  {Boolean} Let the event propagate.