code: function(bounds, zoomChanged, dragging) {
          this._dragging = dragging;
          OpenLayers.Layer.EventPane.prototype.moveTo.apply(this, arguments);
          delete this._dragging;
      }
docs: Method: moveTo
  
  Parameters:
  bounds - {<OpenLayers.Bounds>}
  zoomChanged - {Boolean} Tells when zoom has changed, as layers have to
  do some init work in that case.
  dragging - {Boolean}