Web: Show startup loading message

radicale/web/internal_data/fn.js

@@ -1142,6 +1142,8 @@ function CreateEditCollectionScene(user, password, collection) {
 }
 
 function main() {
+    // Hide startup loading message
+    document.getElementById("loadingscene").classList.add("hidden");
     push_scene(new LoginScene(), false);
 }
 

radicale/web/internal_data/index.html

@@ -18,6 +18,12 @@
     </ul>
 </nav>
 
+<section id="loadingscene">
+    <h1>Loading</h1>
+    <p>Please wait...</p>
+    <noscript>JavaScript is required</noscript>
+</section>
+
 <section id="loginscene" class="hidden">
     <h1>Login</h1>
     <form data-name="form">
@@ -28,11 +34,6 @@
     </form>
 </section>
 
-<section id="loadingscene" class="hidden">
-    <h1>Loading</h1>
-    Please wait...
-</section>
-
 <section id="collectionsscene" class="hidden">
     <h1>Collections</h1>
     <ul>