Videos CPT

/*========================================
                   VIDEOS
========================================== */

add_action('init', 'video_register');
function video_register() {

    $labels = array(
        'name' => _x('Videos', 'post type general name'),
        'singular_name' => _x('Video', 'post type singular name'),
        'add_new' => _x('Add New', 'video'),
        'add_new_item' => __('Add New video'),
        'edit_item' => __('Edit Video'),
        'new_item' => __('New Video'),
        'view_item' => __('View Video'),
        'search_items' => __('Search Videos'),
        'not_found' =>  __('Nothing found'),
        'not_found_in_trash' => __('Nothing found in Trash'),
        'parent_item_colon' => ''
    );

    $args = array(
        'labels' => $labels,
        'public' => true,
        'publicly_queryable' => true,
        'show_ui' => true,
        'query_var' => true,
        'rewrite' => true,
        'capability_type' => 'post',
        'menu_icon' => get_bloginfo('template_directory').'/images/calendar-icon.png',
        'menu_position' => 15,
        'hierarchical' => false,
        'menu_position' => null,
        'supports' => array('title', 'thumbnail')
      );

    register_post_type( 'videos' , $args );
}


add_action("admin_init", "videos_admin_init");

function videos_admin_init(){
  add_meta_box("video_meta", "Video Details", "video_details_meta", "videos", "high", "default");
}

function video_details_meta() {
    $ret = $ret . '<p><label>Video ID: </label><input type="text" size="10" name="videoid" value="' . get_video_field("videoid") . '" /></p>';
    $ret .= '<p><label class="videos">Videio Site: </label>';
    $ret .= '<select type="select" id="videosite" name="videosite">';
    $ret .= '<option value="youtube">youtube</option>';
    $ret .= '<option value="vimeo">vimeo</option>';
    $ret .= '</select>';
    $ret .= '<script>jQuery(document).ready(function(){ jQuery("#videosite").val(' . get_video_field("videosite") . ') });</script>';

    echo $ret;
}

function get_video_field($video_field) {
    global $post;

    $custom = get_post_custom($post->ID);

    if (isset($custom[$video_field])) {
        return $custom[$video_field][0];
    }
}
add_action('save_post', 'save_video_details');

function save_video_details(){
   global $post;

   if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
      return;

   if ( get_post_type($post) != 'videos')
      return;

    save_video_field("videoid");
    save_video_field("videosite");
}
function save_video_field($video_field) {
    global $post;

    if(isset($_POST[$video_field])) {
        update_post_meta($post->ID, $video_field, $_POST[$video_field]);
    }
}