plugin/ widget include javascript

whats wrong with the following code.. my script just doesnt seem to be included what did i do wrong..

add_action(‘wp_print_footer_scripts’, ‘video_sidebar_scripts’, 1);

function video_sidebar_scripts() {
if(is_admin()) return;

wp_enqueue_script(‘jquery’);
wp_enqueue_script(‘video_widget_script’,plugins_url( ‘script.js’, __FILE__ ),array(‘jquery’),false,true);
}