Where are all 7 chaos emeralds in sonic advance

you know those blue springy things hidden in a level they lead you to a special stage to get emaralds 1 is near the end of the first ever level you play use tails right after the swirly thing near the end pull the brakes go back to just where you get off the loop at the end and put tails' tails up to them and fly till you see a levetating piece of ground which goes up and down land on it an it will take you to a floating island jump on it and run to the strange spring it will take you to a special stage also try to collect ch in the special stage to give you 2 con god luck kios