They haven't 'officially' gone inactive . . . yet.
Go to the League IV.49 page, above the standings it has the link for the IV.49 Forum, instead of clicking on that, just hang your mouse pointer on it.
You should see the other options available: All Star Weekend, Conference Overview, Leauge Schedule, etc. Click on Conference Overview - it shows each team, who their rival is, and the last time they logged on. Click the Great 8 link on the top left to go to the Great 8.