functions.php

//Add our function to the wp_head. You can also use wp_print_scripts.
add_action( 'init', 'add_our_scripts',0);

function add_our_scripts() {

    if (!is_admin()) { // Add the scripts, but not to the wp-admin section.
    // Adjust the below path to where scripts dir is, if you must.
    $scriptdir = get_bloginfo('template_url')."";

    // Remove the wordpresss inbuilt jQuery.
    wp_deregister_script('jquery');

    // Lets use the one from Google AJAX API instead.
    wp_register_script( 'jquery', 'https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js', false, '1.7.2');
    // Register the Superfish javascript file
    wp_register_script( 'superfish', $scriptdir.'/js/superfish.js', false, '1.4.8');
    // Now the superfish CSS
    wp_register_style( 'superfish-css', $scriptdir.'/css/superfish.css', false, '1.4.8');

    //load the scripts and style.
    wp_enqueue_script('jquery');
    wp_enqueue_script('superfish');
    wp_enqueue_style('superfish-css');
    } // end the !is_admin function
} //end add_our_scripts function