Display files...

I am trying to get a program that works that uses two display files with many 
formats.

Eventually a display format gets displayed from File1, F03CTL, that is a 
subfile control record.
It has KEEP and OVERLAY.
It is displayed with an EXFMT.

The next format to get displayed is from File2, CPROC, which is also a subfile 
control record and a window.
The window is specified as (10 4 10 55 *NOMSGLIN).
It has KEEP and OVERLAY also.
It is also displayed with an EXFMT.

The first time through the program all is well.  The window gets displayed over 
the F03CTL just as it should.
On all subsequent processes through the program, however, whenever CPROC gets 
EXFMTed, the F03CTL
record behind the window is the *original* one.  That is, it seems that any 
subsequent F03CTL screens get
erased, and an old F03CTL screen from the first call through is appearing.

Any idea why this would happen?  There are other display/sub file records being 
displaye din the mean time.

Regards,

Jim Langston