Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] validation blank fields, checking for client-side validation credit card numbers credit card security codes spaces, removing from form fields email syntax inline postal codes user names server handshake verify( ) function view views 2nd |