IF (using_cost_sst) THEN
IF (using_cost_sst)
CALL ECCO_CHECK_FILES( using_cost_sst,'sst',
& using_cost_sst,
logical using_cost_sst
if ( ( using_cost_sst ).AND.( ssterrfile .NE. ' ' ) )
IF ( using_cost_sst ) THEN
using_cost_sst=.TRUE.
using_cost_sst=.FALSE.
& using_cost_sst, using_cost_seaice,