Is there anything that you have to download before you play online?

You have to download a dozen pentagrams, spin in a circle, scream at the top of your lungs "There is no place like home", sacrifice 3 small children, type up up down down left right left right B A, and THEN go to yahoo.com, search for hyperlobby, and go download it.

Which version are you using 1.02 or 1.1?

If you're using 1.02, don't bother with hyperlobby.
Open up Lock On, Go to Network Play, Select Internet.

On the lower right side of the screen, click on UBI.com. Let that install the UBI.com program.

Then you can fly 1.02 online with ubi.com.

If you're are using 1.1 Flaming Clffs, just download and use Hyperlobby.

Sorry to ask you bud but how do I find out what version LOMAC i am using???

When you start lomac, look at the clock on the bottom of the screen. The version is there.