Make JavaScript editor work

browser/oberonjs.html

@@ -6,7 +6,7 @@
         <link rel="stylesheet" href="http://codemirror.net/lib/codemirror.css">
         <link rel="stylesheet" href="http://codemirror.net/doc/docs.css">
         <script src="http://codemirror.net/lib/codemirror.js"></script>
-        <script src="http://codemirror.net/lib/mode/javascript/javascript.js"></script>
+        <script src="http://codemirror.net/mode/javascript/javascript.js"></script>
         <script src="../codemirror/oberon07.js"></script>
         <style type="text/css">
         .code {