Various sites offer these classes but the best way is to make your own. Do not be afraid to use if/else 's since that is what they are made for. I know from experience that vBulletin and others have a very good script for what you are trying to do. I myself am going to make on as well but I always do some research into how it's done. I suggest you do the same.

Otherwise, you can check some tutorials on Pixel2Life.com and Tutorialized.com If you don't manage, just post! Hopefully this post will help you sort out some problems, kinda useless post otherwise.

Good luck!

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