gistfile1.php

<?php 
function twentyten_custom_scripts() {

  add_action('template_redirect', 'twentyten_custom_scripts');
  if( is_page('Contact')) {    
    // how is_page works http://codex.wordpress.org/Function_Reference/is_page
    // is_page();
    // When any single Page is being displayed.
    // is_page(42);
    // When Page 42 (ID) is being displayed.
    // is_page('Contact');
    // When the Page with a post_title of "Contact" is being displayed.
    // is_page('about-me');
    // When the Page with a post_name (slug) of "about-me" is being displayed.
    // is_page(array(42,'about-me','Contact'));
    // Returns true when the Pages displayed is either post ID 42, or post_name "about-me", or post_title "Contact".  Note: the array ability was added at Version 2.5.

   // register your script location, dependencies and version
    wp_register_script('custom_script', get_bloginfo('template_directory') . '/scripts/custom.js', array('jquery') );
   // enqueue the script
    wp_enqueue_script( 'jquery' );
    wp_enqueue_script('custom_script');
  }
}

?>

Excellent tutorial, bro.