source: trunk/www.guidonia.net/wp/wp-admin/js/user-profile.dev.js@ 44

(function($){

        function check_pass_strength() {
                var pass = $('#pass1').val(), user = $('#user_login').val(), strength;

                $('#pass-strength-result').removeClass('short bad good strong');
                if ( ! pass ) {
                        $('#pass-strength-result').html( pwsL10n.empty );
                        return;
                }

                strength = passwordStrength(pass, user);

                switch ( strength ) {
                        case 2:
                                $('#pass-strength-result').addClass('bad').html( pwsL10n['bad'] );
                                break;
                        case 3:
                                $('#pass-strength-result').addClass('good').html( pwsL10n['good'] );
                                break;
                        case 4:
                                $('#pass-strength-result').addClass('strong').html( pwsL10n['strong'] );
                                break;
                        default:
                                $('#pass-strength-result').addClass('short').html( pwsL10n['short'] );
                }
        }

        $(document).ready( function() {
                $('#pass1').val('').keyup( check_pass_strength );
                $('.color-palette').click(function(){$(this).siblings('input[name=admin_color]').attr('checked', 'checked')});
                $('#nickname').blur(function(){
                        var str = $(this).val() || $('#user_login').val();
                        $('#display_name #display_nickname').val(str).html(str);
                });
                $('#first_name, #last_name').blur(function(){
                        var first = $('#first_name').val(), last = $('#last_name').val();
                        $('#display_firstname, #display_lastname, #display_firstlast, #display_lastfirst').remove();
                        if ( first && last ) {
                                $('#display_name').append('<option id="display_firstname" value="' + first + '">' + first + '</option>' +
                                        '<option id="display_lastname" value="' + last + '">' + last + '</option>' +
                                        '<option id="display_firstlast" value="' + first + ' ' + last + '">' + first + ' ' + last + '</option>' +
                                        '<option id="display_lastfirst" value="' + last + ' ' + first + '">' + last + ' ' + first + '</option>');
                        } else if ( first && !last ) {
                                $('#display_name').append('<option id="display_firstname" value="' + first + '">' + first + '</option>');
                        } else if ( !first && last ) {
                                $('#display_name').append('<option id="display_lastname" value="' + last + '">' + last + '</option>');
                        }
                });
    });

})(jQuery);