So, you downloaded wine and installed AoS with it? You'll have to set up a shell script to run it - you can't run it directly from the browser. PITA, I know, but oh well.
Anyway, just to make sure, you'll want to follow
this link. I don't know much about the easy install option because I'm not on a mac and haven't tried it, but the manual option isn't really hard and I can help you if you get stuck.