jscrollpane problem with my child theme

i did it like that and its working now

function kia_enqueue_scripts() {

    //use google's jquery
    wp_deregister_script( 'jquery' );
    wp_enqueue_script('jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js');

    //load up your own plugin
    wp_enqueue_script('easing', get_stylesheet_directory_uri() . '/js/jquery.easing.1.3.js');
    wp_enqueue_script('custom', get_stylesheet_directory_uri() . '/js/jquery.custom.js');
    wp_enqueue_script('mousewheel', get_stylesheet_directory_uri() . '/js/jquery.mousewheel.js');
    wp_enqueue_script('jscrollpane', get_stylesheet_directory_uri() . '/js/jquery.jscrollpane.js');

}
add_action('wp_enqueue_scripts', 'kia_enqueue_scripts');