fixes for browser lacking Gears

diff --git a/offline.js b/offline.js
index 543930d25b4d2086fe468beb0ded169ecc5384ce..2fc8209417d52589e78c8bde1e49de5873a3aa6b 100644 (file)
--- a/offline.js
+++ b/offline.js
@@ -750,8 +750,7 @@ function update_offline_data(stage) {
        try {
 
                if (!stage) stage = 0;
-               if (offline_mode) return;
-               if (getInitParam("offline_enabled") != "1") return;
+               if (!db || offline_mode || getInitParam("offline_enabled") != "1") return;
 
                debug("update_offline_data: stage " + stage);
 
@@ -939,7 +938,7 @@ function get_local_feed_unread(id) {
 function enable_offline_reading() {
        try {
 
-               if (getInitParam("offline_enabled") == "1") {
+               if (db && getInitParam("offline_enabled") == "1") {
                        init_local_sync_data();
                        Element.show("restartOfflinePic");
                        window.setTimeout("update_offline_data(0)", 100);
@@ -1293,6 +1292,9 @@ function format_article_labels(labels, id) {
 
 function init_local_sync_data() {
        try {
+
+               if (!db) return;
+
                var rs = db.execute("SELECT COUNT(*) FROM syncdata WHERE key = 'last_online'");
                var has_last_online = 0;