working-options-page

<?php
/**
 * AID functions and definitions
 *
 * @package WordPress
 * @subpackage AID
 * @since AID 1.0
 */

?>
<?php
add_action('admin_menu', 'aid_custom_options');
function aid_custom_options()
{
    add_menu_page('AID Theme Options', 'Theme Options', 'manage_options', 'functions','aid_options_page');
}
?>
<?php
function aid_options_page()
{
?>
    <div class="wrap">
        <h2>Global Options</h2>
        <form method="post" action="options.php">
            <?php wp_nonce_field('update-options') ?>
            <p><strong>Twitter ID:</strong><br />
                <input type="text" name="twitterid" size="45" value="<?php echo get_option('twitterid'); ?>" />
            </p>
            <p><input type="submit" name="Submit" value="Store Options" /></p>
            <input type="hidden" name="action" value="update" />
            <input type="hidden" name="page_options" value="twitterid" />
        </form>
    </div>

<?php
}
?>