Contact Form

Hi, I have used contact form from your tutorial now need help on 3 problems.

1> When I submit Form it goes to mailer.php page - i wnat o redirect it to conact page again or to new page thank you page - how to do the same please suggest.

2> Please let me know addition feilds like Phone / Mobile etc

3> Please suggest how to do Validation for the same.

4> Can you provide me all above with example or tutorial in which all aspects are covered.

Thanks,
Compusoft