Need a nav column that stays in middle-left of window

I need a navigation column ( a vertical list of links or buttons) that
will always stay in the middle of the browser window's left side.

Specifically, I need to know where to look for the code, or to which
properties and methods I should be paying attention.. I'm just a
beginner in JavaScript, so please don't tell me to study scripting and
DHTML. I'm already doing that, but want this code sooner than later.
:-) I just haven't had any luck finding this, yet...

I've seen a site that does something similar (I have no relation to
this corporate site): http://www.matrix-orbital.com, which has a pretty
nifty site, but it doesn't yet work properly under N6. Alas, they have
so much code and I'm so far behind the curve, I haven't made out what
parts of code apply to the feature I'm interested in.

Once I have this, I can get rid of most of the "back to top" links
following my current navigation column (on this corporate site):
http://www.scanalytics.com

Thanks!
Michael

p.s. If possible, could you direct replies only to the list, and not to
both the list and me? I'm getting everything twice.

=====
Michael Greisman
Webmaster
Scanalytics, Inc.

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