diff --git a/src/ui/ab.tis b/src/ui/ab.js
similarity index 100%
rename from src/ui/ab.tis
rename to src/ui/ab.js
diff --git a/src/ui/index.html b/src/ui/index.html
index fc24b564a..dae2bd221 100644
--- a/src/ui/index.html
+++ b/src/ui/index.html
@@ -1,15 +1,14 @@
 <html>
 
 <head>
-    <style>
-        @import url(common.css);
-        @import url(index.css);
-    </style>
-    <script type="text/tiscript">
+    <link rel="stylesheet" href="common.css">
+    <link rel="stylesheet" href="index.css">
+    <script type="module" src="index.js"></script>
+    <!-- <script type="text/tiscript">
             include "common.tis";
             include "ab.tis";
             include "index.tis";
-        </script>
+    </script> -->
 </head>
 
 <body>
