Need a little help with the framework

Hi Alexey,

Doubtless I'm missing something trivial here, but I've got to the point
that I'm banging my head against the wall which hopefully you can help
with before I kill off too much gray matter...

I'm implementing a simple browser that allows the user to browse the ftp
site and select a file to download (eventually via a mirror, but it's
direct ATM). You can see it in action at
http://wwwmaster.postgresql.org/ftp/ (trailing / required). The problem
I am having is getting the left hand sub menu (download.html) to display
- I just can't see how I switch it on/activate it from browsing the
existing code.

For info, system/handler.php dispatches system/ftp.php which uses
template/ftp.html.

A clue on this problem as well as any other hints about how I might have
misused the template system would be appreciated :-)

Regards, Dave.