Juriv

// UITextFieldDelegate method, called when the "Return" key is pressed.
// Either advance the cursor to the next empty field, or submit the form.
//
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    if([usernameField.text length] == 0) {
        [usernameField becomeFirstResponder];
    } else if ([passwordField.text length] == 0) {
        [passwordField becomeFirstResponder];
    } else {