code: function(xy) {
          if(this.kinetic) {
              this.kinetic.update(xy);
          }
          this.panned = true;
          this.map.pan(
              this.handler.last.x - xy.x,
              this.handler.last.y - xy.y,
              {dragging: true, animate: false}
          );
      }
docs: Method: panMap
  
  Parameters:
  xy - {<OpenLayers.Pixel>} Pixel of the mouse position