[Omega]

If you have a home computer, you can set up WinVNC and remotely access your computer from any Java enabled browser. Then, just control your home computer from there, and use AIM from that computer. If you have a static IP just write that down, otherwise set up a dynamic dns account, and you can have a domain name point to your home computer (if you own a domain name you can use that, otherwise you can get something like someword.dyndns.org). It may be a little slow, but it should work (unless they block everything but port 80, or something).