You've got to install Java software if you don't have it already. Another thing; sometimes you have to refresh the page in order to get it to connect to the server for some reason. Be patient, it takes about a minute to load for me. I made a post somewhere a few weeks back saying it'd be nice to kinda get some folks in there. There's a chat tonight on another site
Chat (dunno if that link will work but that's the address)