[NTG-context] load order?

[Adam Lindsay]

Hi.
Who's familiar with initialisation file loading order?

I define some generic formatting options in cont-loc (because it's loaded
by default, it doesn't get overwritten, and I use it on several
machines). I successfully use them by adding a command at the start of
tex source files.

I'd like them to be choose-able for any file from the command line with
(I presume) a mode.
I've tried this in cont-loc and cont-sys, but it doesn't have an effect.  

\doifmode {atl} {\LocalSetup[interaction,sansheadings]}

Where should I put it?
Is it maybe a grouping issue?
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 Adam T. Lindsay                      atl@comp.lancs.ac.uk
 Computing Dept, Lancaster University   +44(0)1524/594.537
 Lancaster, LA1 4YR, UK             Fax:+44(0)1524/593.608
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