I need information on doing a Contest on Facebook.

You can find information about doing a Facebook contest by clicking the links below:

http://www.votigo.com/corp/self-serve/faq.php 
http://support.votigo.com/entries/20560237
http://support.votigo.com/entries/21634963

You can also find Facebook’s promotional guidelines {here}

Click here to Register and start creating the contest of your choice.