AliESDVertex* FindPrimaryVertex(TObjArray *trkArrayOrig,UShort_t *idOrig);
AliESDVertex* VertexForSelectedTracks(TObjArray *trkArray,UShort_t *id,
Bool_t optUseFitter=kTRUE,
AliESDVertex* FindPrimaryVertex(TObjArray *trkArrayOrig,UShort_t *idOrig);
AliESDVertex* VertexForSelectedTracks(TObjArray *trkArray,UShort_t *id,
Bool_t optUseFitter=kTRUE,