function ray_bp_autocomplete_list($friends, $filter, $limit) {
	global $wpdb, $bp;

	$filter = like_escape( $wpdb->escape( $filter ) );
	$page = 1;

	if ( $limit && $page )
		$pag_sql = $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) );

	// filter the user_ids based on the search criteria.
	if ( function_exists('xprofile_install') ) {
		$sql = "SELECT DISTINCT user_id FROM {$bp->profile->table_name_data} WHERE value LIKE '$filter%%' {$pag_sql}";
		$total_sql = "SELECT COUNT(DISTINCT user_id) FROM {$bp->profile->table_name_data} WHERE value LIKE '$filter%%'";
	} else {
		$sql = "SELECT DISTINCT user_id FROM " . CUSTOM_USER_META_TABLE . " WHERE meta_key = 'nickname' AND meta_value LIKE '$filter%%' {$pag_sql}";
		$total_sql = "SELECT COUNT(DISTINCT user_id) FROM " . CUSTOM_USER_META_TABLE . " WHERE meta_key = 'nickname' AND meta_value LIKE '$filter%%'";
	}

	$filtered_ids = $wpdb->get_col($sql);
	$total_ids = $wpdb->get_var($total_sql);

	if ( !$filtered_ids )
		return false;

	return array( 'friends' => $filtered_ids, 'total' => (int)$total_ids );
}
add_filter( 'bp_friends_autocomplete_list', 'ray_bp_autocomplete_list', 1, 3 );