Initialise restart netCDf variables

INTERFACE:

    subroutine open_restart_ncdf(fname,runtype)

DESCRIPTION:

Opens a NetCDF formatted GETM hotstart file. All NetCDF variable id's necessary for making a correct GETM hotstart are read. The id's are shared with the reading routine using the ncdf_restart module. USES:

    use netcdf
    use ncdf_restart
 #ifndef NO_3D
    use domain, only: vert_cord
 #ifdef GETM_BIO
    use bio, only: bio_calc
    use getm_bio, only: bio_init_method
 #endif
 #ifdef _FABM_
    use getm_fabm, only: fabm_calc,fabm_init_method
 #endif
 #endif
    IMPLICIT NONE

INPUT PARAMETERS:

    character(len=*), intent(in)        :: fname
    integer, intent(in)                 :: runtype

REVISION HISTORY:

    Original author(s): Karsten Bolding

LOCAL VARIABLES:

    integer         :: dimids(3)
    character(len=20) :: varnam