anchor.diff:      _JCB_USEK_SOUPRAVA           = 23;
       _JCB_USEK_STITEK             = 24;
       _JCB_USEK_AB                 = 25;
  -    _JCB_USEK_LAST_OBSAZENO      = 26;
  +    _JCB_USEK_LAST_OBSAZENO      = 26;  // povoleno postaveni JC
   
       _JCB_VYHYBKA_KONC_POLOHA     = 30;
       _JCB_VYHYBKA_VYLUKA          = 31;
  
positive.code:     _JCB_ODVRAT_OBSAZENA         = 61;
      _JCB_ODVRAT_KONC_POLOHA      = 62;
  
      _JCB_TRAT_ZAK                = 70;
      _JCB_TRAT_ZAVER              = 71;
      _JCB_TRAT_OBSAZENO           = 72;
      _JCB_TRAT_ZADOST             = 73;
      _JCB_TRAT_NESOUHLAS          = 74;
      _JCB_TRAT_NO_BP              = 75;
  
negative.code:   end;
    _JCB_USEK_STITEK, _JCB_USEK_VYLUKA, _JCB_VYHYBKA_STITEK, _JCB_VYHYBKA_VYLUKA, _JCB_PREJEZD_STITEK,
    _JCB_PRIVOLAVACKA, _JCB_HV_RUC, _JCB_HV_NOT_ALL_RUC, _JCB_SPR_SMER, _JCB_TRAT_STITEK,
    _JCB_USEK_LAST_OBSAZENO, _JCB_TRAT_OBSAZENO:
              Result := true;
   else
    Result := false;
  