How can I increase my vertical jump?

hey guys
i want to learn how to jump higher but I don't know what exercises, technique and diet I do for this.. What you think what should I do?

Hey buddy
Want to learn how exercise, form, technique, and even diet affect your total “vertical explosion”. If you want to learn about vertical jump than see the link it might help you to learn.This product is really amazing program with this program, you will be taught the “total package” – you will learn how exercise, form, technique, and even diet affect your total “vertical explosion”

http://tinyurl.com/VerticalJumptraining-112