wp enqueue scripts + headJS

gistfile1.php

// Enqueue Javascripts
// Replace jQuery 1.4.4 with 1.5 on the frontend
// as seen on http://codex.wordpress.org/Function_Reference/wp_enqueue_script
// Do not do this on the wp-admin, jQuery 1.5 might break functionality at this point (March 2011)
function rv_enque_scripts() {
  // get theme to use that for versioning and cache busting
  $theme = get_theme(get_current_theme());
  if (!is_admin()) {
    // remove jQuery 1.4.4
    wp_deregister_script('jquery');
    // Register jQuery 1.5 + other scripts
    wp_register_script('jquery',          'http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js', '', $theme['Version']);
    wp_register_script('gAnalytics',      'http://www.google-analytics.com/ga.js', '', $theme['Version']);
    wp_register_script('cufon',           get_bloginfo('template_directory').'/js/cufon-yui.js', 'jquery', $theme['Version']);
    // Do not load the Cufón font here, since we can't control dependencies with this HeadJS plugin. In stead load timely in script.js
    // wp_register_script('cufon-Clarendon', get_bloginfo('template_directory').'/js/Clarendon_LT_Std_700.font.js', 'cufon', $theme['Version']);
    wp_register_script('rv_app',          get_bloginfo('template_directory').'/js/script.js', 'cufon-Clarendon', $theme['Version']);

    // Enqueue the scripts in the preferred order
    wp_enqueue_script('jquery');
    wp_enqueue_script('cufon');
    wp_enqueue_script('cufon-Clarendon');
    wp_enqueue_script('gAnalytics');
    wp_enqueue_script('rv_app');
  }
}

add_action('init', 'rv_enque_scripts');