Ignoring the out of turn play... the BB did not make a full raise, so player 7 (the last one to raise) can not reraise again unless 5 or 6 does.

I did a quick google search and this is the first link I found in about 5 seconds: rec.gambling.poker FAQ - What are the betting and raising rules in No Limit?. The second last paragraph talks on this point.

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If you feel you have a question, dont be lazy; make sure you have asked yourself first. Then search the forum, then just fucking google it to get as much detail as you can. You may then seek clarification on specific points from others.