diff --git a/functions.js b/functions.js
index 5c0564897..8355deb04 100644
--- a/functions.js
+++ b/functions.js
@@ -458,6 +458,13 @@ function parse_counters(reply, scheduled_call) {
 			var xmsg = elems[l].getAttribute("xmsg");
 	
 			if (id == "global-unread") {
+
+				if (ctr > global_unread) {
+					if (db && getInitParam("offline_enabled") == "1") {
+					window.setTimeout("update_offline_data(0)", 100);
+					}
+				}
+
 				global_unread = ctr;
 				updateTitle();
 				continue;
diff --git a/manifest.json.php b/manifest.json.php
new file mode 100644
index 000000000..22ea4cda2
--- /dev/null
+++ b/manifest.json.php
@@ -0,0 +1,96 @@
+<?php 
+	header("Content-Type: text/plain");
+
+	$manifest_formatted = array();
+	$manifest_files = array(
+      "tt-rss.php",
+      "tt-rss.css",
+      "viewfeed.js",
+      "feedlist.js",
+      "functions.js",
+      "offline.js",
+      "tt-rss.js",
+      "images/art-inline.png",
+      "images/art-zoom.png",
+      "images/blank_icon.gif",
+      "images/button.png",
+      "images/c1.png",
+      "images/c2.png",
+      "images/c3.png",
+      "images/c4.png",
+      "images/cat-collapse.png",
+      "images/down_arrow.png",
+      "images/favicon.png",
+      "images/feed-icon-12x12.png",
+      "images/feed-icon-64x64.png",
+      "images/footer.png",
+      "images/fresh_new.png",
+      "images/fresh.png",
+      "images/indicator_white.gif",
+      "images/label.png",
+      "images/mark_set.gif",
+      "images/mark_set.png",
+      "images/mark_unset.gif",
+      "images/mark_unset.png",
+      "images/new_version.png",
+      "images/offline.png",
+      "images/offline-sync.gif",
+      "images/online.png",
+      "images/overlay.png",
+      "images/piggie_icon.png",
+      "images/piggie.png",
+      "images/prefs-content.png",
+      "images/pub_set.gif",
+      "images/pub_unset.gif",
+      "images/resize_handle_horiz.png",
+      "images/resize_horiz.png",
+      "images/resizer.png",
+      "images/score_half_high.png",
+      "images/score_half_low.png",
+      "images/score_high.png",
+      "images/score_low.png",
+      "images/score_neutral.png",
+      "images/shadow_dark.png",
+      "images/shadow-grid.gif",
+      "images/shadow.png",
+      "images/shadow_white.png",
+      "images/sign_excl.gif",
+      "images/sign_info.gif",
+      "images/sign_quest.gif",
+      "images/small_question.png",
+      "images/tag.png",
+      "images/toolbar.png",
+      "images/ttrss_logo_big.png",
+      "images/ttrss_logo_blackred.png",
+      "images/ttrss_logo.png",
+      "images/ttrss_logo_small.png",
+      "images/updated.png",
+      "images/www.png",
+      "extras/button/musicplayer_f6.swf",
+      "extras/button/musicplayer.swf",
+      "lib/scriptaculous/effects.js",
+      "lib/scriptaculous/controls.js",
+      "lib/scriptaculous/dragdrop.js",
+      "lib/scriptaculous/scriptaculous.js",
+      "lib/prototype.js",
+		"gears_init.js");
+
+	$mtime_max = 0;
+
+	foreach ($manifest_files as $f) {
+		$tmp = filemtime($f);
+		if ($tmp > $mtime) {
+			$mtime_max = $tmp;
+		}
+
+		array_push($manifest_formatted, "{ \"url\": \"$f\" }");
+	}
+?>
+
+{
+  "betaManifestVersion": 1,
+  "version": "<?php echo $mtime_max ?>",
+  "entries": [
+     <?php echo join(",\n     ", $manifest_formatted); ?>
+    ]
+}
diff --git a/offline.js b/offline.js
index f20559f2f..e6b77ed77 100644
--- a/offline.js
+++ b/offline.js
@@ -974,7 +974,7 @@ function init_gears() {
 		if (window.google && google.gears) {
 			localServer = google.gears.factory.create("beta.localserver");
 			store = localServer.createManagedStore("tt-rss");
-			store.manifestUrl = "manifest.json";
+			store.manifestUrl = "manifest.json.php";
 			store.checkForUpdate();
 
 			db = google.gears.factory.create('beta.database');