WP Panda

function my_script() {
if ( is_page('contacts') )
	wp_enqueue_script('my-script','http://maps.api.2gis.ru/2.0/loader.js?data-id');
}

add_action( 'wp_enqueue_scripts', 'my_script' );


add_filter('clean_url','unclean_url',10,3);
function unclean_url( $good_protocol_url, $original_url, $_context) {
	if ( false !== strpos( $original_url, 'data-id' ) ) {
		remove_filter( 'clean_url', 'unclean_url', 10, 3 );
		$url_parts = parse_url( $good_protocol_url );

		return $url_parts['scheme'] . '://' . $url_parts['host'] . $url_parts['path'] . '?pkg=full&lazy=true'."' data-id='dgLoader";
	}

	return $good_protocol_url;
}