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Hello,
I checked the example you provided and based on Facebook canvas applications, I would like to discuss the opportunity of working on your project.
First of all, to have such a contest on your fan page, we will need first to create a Facebook application - canvas. This means we should integrate an existing application into the Facebook iframe.
If you will right click on the contest you provided you will see that it is an iframe hosted on client's server.
So, you will need also your own domain to host the contest application.
Finally, you will need a SSL certificate because Facebook only accept pages hosted on https.
Please let me know if you have other questions for me and if you think we can start a collaboration.
Best regards
Alex