map.addMapMoveEndListener(new MapMoveEndListener() {
@Override
public void onMapMoveEnd(MapMoveEndEvent eventObject) {
Bounds extent = map.getExtent();
extent.transform(DEFAULT_PROJECTION, new Projection("EPSG:900913"));
// set up autocomplete search box for this place
AutocompleteType[] types = new AutocompleteType[2];
types[0] = AutocompleteType.ESTABLISHMENT;
types[1] = AutocompleteType.GEOCODE;