"nested" Aliases?

["Mark Drummond" <md2600@xxxxxxxxx>]

Is it possible to nest alias directives? What I mean is:

Alias /foo /a/file/location
Alias /foo/bar /another/file location

I'm probably going about this all wrong. I'm trying to alias a Cognos 8 docroot like so:

Alias /cognos8 /opt/cognos/c8/webcontent

But I also need to be able to resolve /cognos8/cgi-bin, where the cgi-bin stuff is under /opt/cognos/c8/cgi-bin.

ScriptAlias /cognos8/cgi-bin /opt/cognos/c8/cgi-bin

Doesn't work, probably obviously to most of you! How can I do this, without setting up a virtual host?

Thanks,
Mark

-- 
Georgia: Why am I not doing what they're doing?
Rube: Because you're doing what you're doing. When it's time for you to do something else you'll do that.