http://www.flyertalk.com/forum/ameri...ess-rules.html
Search term: "lounge". It is also linked to from the FAQ (where it says "Please check here first!")

You will almost certainly have some sort of lounge access when flying international J. Exactly which lounge would be impossible to say without knowing which carrier you're flying. From the wording of "international lounge", it doesn't sound like you're flying AA.