This is a contact form which has the following features; Checks that the email address is in the a@b.c format. Checks to make sure all fields are filled in. If there is an error while trying to send the e-mail, it gives the user a link to launch their default email program with the e-mail address, subject and message already filled in, so all they have to do is click send. Also only lets users send a message every 60 seconds to avoid abuse.