diff --git a/templates/base.twig b/templates/base.twig
index 7465451f1977531904be1dba6867d691b53c2e09..6ee008bde89bdcc8aaad74aef745c0397fe86de7 100644
--- a/templates/base.twig
+++ b/templates/base.twig
@@ -8,6 +8,12 @@
<link rel="stylesheet" href="{{ asset('css/src/default.css', 'accounting') }}">
<link rel="icon" href="{{ asset("icons/favicon.ico") }}">
<meta name="robots" content="noindex, nofollow">
+ <script>
+ function doPopup(popupId) {
+ var popup = document.getElementById(popupId);
+ popup.classList.toggle("show");
+ }
+ </script>
</head>
<body id="{{ templateId }}">