Credits

Web Design

See http://www.styleshout.com/

SHA-256 implementation in JavaScript

See
http://csrc.nist.gov/groups/ST/toolkit/secure_hashing.html
http://csrc.nist.gov/groups/ST/toolkit/examples.html
http://en.wikipedia.org/wiki/SHA-2

Ajax Password Strength Meter Script

See http://simplythebest.net/scripts/ajax/ajax_password_strength.html