[Bins] Relative URLs?

[Satya]

Is there a simple way to do relative URLs in the templates, or do I
have to hack on the bins script directly?

I have a stylesheet for my entire website, which I can specify using
the joi templates. But I host the same site in two different places,
and the base URLs are different (as in, /bins/ and /satyap/bins/).
Plus, I need to specify a custom site-wide navigation bar, and that
requires relative links, too.

-- 
Satya. <URL:http://satya.virtualave.net/>
Murphy was an optimist.