C**********************************************
C
C This is the include file for the Field
C Switches common block definition.
C
C Date:19/9/95
C
C Modified :20/09/99 - added in PreEff to do pressure perturbations
C
C**********************************************
      
      logical LSDEff			! The Lee & Saio `effect' flag
      logical roAEff			! The roAP `effect' flag
      logical NrmEff			! The surface normal effect flag
      logical SrfEff			! The surface area effect flag
      logical GrvFld			! The control flag for using radial or normal field vectors
      logical TmpEff			! The temperature effect flag
      logical PreEff			! The pressure effect flag
      logical HorEff			! The horizontal fields switch
      logical ColNrm			! The colatitude normalisation switch
      integer MatDim			! The dimension of the Lee & Saio W-Matrix
      double precision RAxOff		! The axis offset of the roAp modes

      common /FldSwi/ RAxOff,LSDEff, roAEff, 
     :                NrmEff, SrfEff,
     :                GrvFld, TmpEff, PreEff, HorEff,
     :                ColNrm, MatDim
