diff --git a/sai/page/default_page.php b/sai/page/default_page.php
index 31ad6ae..fc59ef9 100644
--- a/sai/page/default_page.php
+++ b/sai/page/default_page.php
@@ -41,6 +41,7 @@ class default_page extends \SYSTEM\PAGE\Page {
     private static function js(){
         $result = '<script src="'.\SYSTEM\WEBPATH(new \SYSTEM\PSAI(),'page/js/libs/jquery.min.js').'" type="text/javascript"></script>'.
                   '<script src="'.\SYSTEM\WEBPATH(new \SYSTEM\PSAI(),'page/js/libs/bootstrap.min.js').'" type="text/javascript"></script>'.
+                  '<script src="'.\LIB\lib_tablesort::js().'" type="text/javascript"></script>'.
                   '<script type="text/javascript" language="JavaScript" src="./sai.php?call=files&amp;cat=sys&amp;id=system.js"></script>'.
                   '<script src="'.\SYSTEM\WEBPATH(new \SYSTEM\PSAI(),'page/js/sai.js').'" type="text/javascript"></script>'.
                   '<script src="https://www.google.com/jsapi" type="text/javascript"></script>'.