From ff725e9bec37f92b1dc5d510245d53b97404b6f7 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Fri, 19 May 2006 04:17:36 +0100
Subject: [PATCH] more feedback & race condition fix in browserToggleExpand()

---
 prefs.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/prefs.js b/prefs.js
index 1994495a9..85c707e61 100644
--- a/prefs.js
+++ b/prefs.js
@@ -1451,6 +1451,11 @@ function browserToggleExpand(id) {
 			d.style.display = "none";
 		} */
 
+		if (!xmlhttp_ready(xmlhttp)) {
+			printLockingError();
+			return
+		}
+
 		var d = document.getElementById("BRDET-" + id);
 
 		if (d.style.display == "block") {		
@@ -1460,6 +1465,9 @@ function browserToggleExpand(id) {
 	
 			feed_to_expand = id;
 
+			d.style.display = "block";
+			d.innerHTML = "Loading, please wait...";
+
 			xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
 				+ param_escape(id), true);
 			xmlhttp.onreadystatechange=expand_feed_callback;