This tutorial should be helpful to our clients wishing to access project intranets we've established in the ExhibitA.com domain using Google Sites. The challenge comes when you try and log into a Google Site (GS) that is part of a Google Apps domain (GA), it isn't immediately obvious how to log in if email address you are using is part of a different GA domain or is a standard Google Account (like for Gmail or Google Analytics, Checkout, etc).
While the graphics and the discussion will be specfic to logging into a GS on ExhibitA.com, it can be applied to any GS hosted on a GA domain. [More]