offline mode UI tweaks

offline.js

@@ -445,12 +445,16 @@ function init_offline() {
 
 		Element.hide("dispSwitchPrompt");
 		Element.hide("feedBrowserPrompt");
-		Element.hide("quickMenuChooser");
 
 		var tb_form = document.getElementById("main_toolbar_form");
-
 		Element.hide(tb_form.update);
 
+		var top_links = document.getElementById("topLinks");
+		top_links.innerHTML = __("Offline mode");
+
+		var chooser = document.getElementById("quickMenuChooser");
+		chooser.disabled = true;
+
 		var rs = db.execute("SELECT key, value FROM init_params");
 
 		while (rs.isValidRow()) {

tt-rss.php

@@ -113,7 +113,7 @@ window.onload = init;
 </div>
 
 <div id="header">
-	<div class="topLinks">
+	<div class="topLinks" id="topLinks">
 
 	<?php if (!SINGLE_USER_MODE) { ?>
 			<?php echo __('Hello,') ?> <b><?php echo $_SESSION["name"] ?></b> |