Form redirect after validation

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I have a form submitting and if it fails validation it stays on the same page with and error message, if it succeeds I need to forward on the data to another URL, can anyone suggest a way to to do this?

I have the form up and working and validating fine, I just can pass the values onto another URL when all validation has succeeded??
session is your friend here if you want to hide the data or just use a header redirect if you dont need to hide the a get url with parameters and values...