Training schedule for 5k,10k, half-marathon?

I ran a 5k about 6 months ago after a season of cross country, where I wasn't training that hard and I came in at about 33 min. I am looking to become a more serious runner. I would like to run a 5k in less then 25 min and be able to run a 10k (no time goals) within the next 10 weeks. After that I would like to keep running and hopefully be able to do a half-marathon by June of 2013... which is a little over a year away. Please tell me what I should be eating and how I should be training.
I am a teenager, and I typically run 2 miles every other day, I also play some sport every season but summer.


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