From 009646d23a166ed1bbb56d75aa27d5fcc719b5ce Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Fri, 18 Mar 2011 12:46:22 +0300
Subject: [PATCH] backend/view: use JSON instead of XML; backend: output
 session invalid error using JSON

---
 backend.php             |  87 ++++-----
 functions.php           | 121 ++++++------
 modules/backend-rpc.php |  94 +++++-----
 tt-rss.js               | 103 ++++++-----
 viewfeed.js             | 396 +++++++++++++++++-----------------------
 5 files changed, 376 insertions(+), 425 deletions(-)

diff --git a/backend.php b/backend.php
index 8381c9dc..20186b08 100644
--- a/backend.php
+++ b/backend.php
@@ -3,7 +3,7 @@
 
 	if (get_magic_quotes_gpc()) {
 		function stripslashes_deep($value) {
-			$value = is_array($value) ? 
+			$value = is_array($value) ?
 				array_map('stripslashes_deep', $value) : stripslashes($value);
 				return $value;
 		}
@@ -24,19 +24,19 @@
 
 	no_cache_incantation();
 
-	if (ENABLE_TRANSLATIONS == true) { 
+	if (ENABLE_TRANSLATIONS == true) {
 		startup_gettext();
 	}
 
 	$script_started = getmicrotime();
 
-	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);	
+	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
 
 	if (!$link) {
 		if (DB_TYPE == "mysql") {
 			print mysql_error();
 		}
-		// PG seems to display its own errors just fine by default.		
+		// PG seems to display its own errors just fine by default.
 		return;
 	}
 
@@ -48,9 +48,8 @@
 
 	$print_exec_time = false;
 
-	if ((!$op || $op == "rpc" || $op == "rss" || 
-			($op == "view" && $mode != "zoom") || 
-			$op == "digestSend" || $op == "dlg" || 
+	if ((!$op || $op == "rpc" || $op == "rss" ||
+			$op == "digestSend" || $op == "dlg" ||
 			$op == "viewfeed" || $op == "publish" ||
 			$op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
 				header("Content-Type: application/xml; charset=utf-8");
@@ -58,7 +57,7 @@
 				if (ENABLE_GZIP_OUTPUT) {
 					ob_start("ob_gzhandler");
 				}
-				
+
 		} else {
 		if (!$_REQUEST["noxml"]) {
 			header("Content-Type: text/html; charset=utf-8");
@@ -67,25 +66,28 @@
 		}
 	}
 
-	if (!$op) {
-		header("Content-Type: application/xml");
-		print_error_xml(7); exit;
-	}
-
 	if (SINGLE_USER_MODE) {
 		authenticate_user($link, "admin", null);
 	}
 
-	if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds" 
+	/* if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
 		&& $op != "rss" && $op != "getUnread" && $op != "publish" && $op != "getProfiles") {
 
 		if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
-			print_error_xml(6); die;
+			print_error_xml(6); exit;
 		} else {
-			header("Location: tt-rss.php?return=" . 
+			header("Location: tt-rss.php?return=" .
 				urlencode($_SERVER['REQUEST_URI']));
 		}
 		exit;
+	} */
+
+	if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds" &&
+				$op != "rss" && $op != "getUnread" && $op != "getProfiles") {
+
+		header("Content-Type: text/plain");
+		print json_encode(array("error" => array("code" => 6)));
+		return;
 	}
 
 	$purge_intervals = array(
@@ -121,7 +123,7 @@
 	$update_methods = array(
 		0   => __("Default"),
 		1   => __("Magpie"),
-		2   => __("SimplePie"), 
+		2   => __("SimplePie"),
 		3   => __("Twitter OAuth"));
 
 	if (DEFAULT_UPDATE_METHOD == "1") {
@@ -131,7 +133,7 @@
 	}
 
 	$access_level_names = array(
-		0 => __("User"), 
+		0 => __("User"),
 		5 => __("Power User"),
 		10 => __("Administrator"));
 
@@ -157,7 +159,7 @@
 
 			switch($subop) {
 				case "catchupAll":
-					db_query($link, "UPDATE ttrss_user_entries SET 
+					db_query($link, "UPDATE ttrss_user_entries SET
 						last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 					ccache_zero_all($link, $_SESSION["uid"]);
 
@@ -217,15 +219,15 @@
 			$mode = db_escape_string($_REQUEST["mode"]);
 			$omode = db_escape_string($_REQUEST["omode"]);
 
-			if ($mode != "zoom") print "<reply>";
-
-			// in prefetch mode we only output requested cids, main article 
+			// in prefetch mode we only output requested cids, main article
 			// just gets marked as read (it already exists in client cache)
 
+			$articles = array();
+
 			if ($mode == "") {
-				outputArticleXML($link, $id, false);
+				array_push($articles, format_article($link, $id, false));
 			} else if ($mode == "zoom") {
-				outputArticleXML($link, $id, false, true, true);
+				array_push($articles, format_article($link, $id, false, true, true));
 			} else {
 				catchupArticleById($link, $id, 0);
 			}
@@ -233,18 +235,13 @@
 			if (!$_SESSION["bw_limit"]) {
 				foreach ($cids as $cid) {
 					if ($cid) {
-						outputArticleXML($link, $cid, false, false);
+						array_push($articles, format_article($link, $cid, false, false));
 					}
 				}
 			}
 
-			/* if ($mode == "prefetch") {
-				print "<counters><![CDATA[";
-				print json_encode(getAllCounters($link, $omode));
-				print "]]></counters>";
-			} */
+			print json_encode($articles);
 
-			if ($mode != "zoom") print "</reply>";
 		break; // view
 
 		case "viewfeed":
@@ -298,7 +295,7 @@
 			} else {
 				print "<headlines id=\"$next_unread_feed\" is_cat=\"$cat_view\">";
 			}
-		
+
 			$override_order = false;
 
 			if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
@@ -311,7 +308,7 @@
 				case "date":
 					if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
 						$override_order = "$date_sort_field";
-					} else {	
+					} else {
 						$override_order = "$date_sort_field DESC";
 					}
 					break;
@@ -335,8 +332,8 @@
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("04", $timing_info);
 
-			$ret = outputHeadlinesList($link, $feed, $subop, 
-				$view_mode, $limit, $cat_view, $next_unread_feed, $offset, 
+			$ret = outputHeadlinesList($link, $feed, $subop,
+				$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
 				$vgroup_last_feed, $override_order);
 
 			$topmost_article_ids = $ret[0];
@@ -376,13 +373,18 @@
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 
-			if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
-				print "<articles>";
+/*			if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
+
+				$articles = array();
+
 				foreach ($topmost_article_ids as $id) {
-					outputArticleXML($link, $id, $feed, false);
+					array_push($articles, format_article($link, $id, $feed, false));
 				}
-				print "</articles>";
-			}
+
+				print "<articles><![CDATA[";
+				print json_encode($articles);
+				print "]]></articles>";
+			} */
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 
@@ -391,7 +393,7 @@
 				print "<counters><![CDATA[";
 				print json_encode(getAllCounters($link, $omode, $feed));
 				print "]]></counters>";
-			} 
+			}
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 
@@ -481,7 +483,6 @@
 					$search, $search_mode, $match_on, $view_mode);
 			} else {
 				header('HTTP/1.1 403 Forbidden');
-				print_error_xml(6); die;
 			}
 		break; // rss
 
@@ -523,7 +524,7 @@
 		break; // digestSend
 
 		case "loading":
-			print __("Loading, please wait...") . " " . 
+			print __("Loading, please wait...") . " " .
 				"<img src='images/indicator_tiny.gif'>";
 
 		case "getProfiles":
diff --git a/functions.php b/functions.php
index c9a8c868..3f1d72f9 100644
--- a/functions.php
+++ b/functions.php
@@ -4487,9 +4487,13 @@
 		return $entry;
 	}
 
-	function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
+	function format_article($link, $id, $feed_id, $mark_as_read = true,
 		$zoom_mode = false) {
 
+		$rv = array();
+
+		$rv['id'] = $id;
+
 		/* we can figure out feed_id from article id anyway, why do we
 		 * pass feed_id here? let's ignore the argument :( */
 
@@ -4498,7 +4502,9 @@
 
 		$feed_id = (int) db_fetch_result($result, 0, "feed_id");
 
-		if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
+		$rv['feed_id'] = $feed_id;
+
+		//if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
 
 		$result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
 			WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
@@ -4568,28 +4574,19 @@
 
 			if ($zoom_mode) {
 				header("Content-Type: text/html");
-				print "<html><head>
+				$rv['content'] .= "<html><head>
 						<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
 						<title>Tiny Tiny RSS - ".$line["title"]."</title>
 						<link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
 					</head><body>";
 			}
 
-			print "<div id=\"PTITLE-$id\" style=\"display : none\">" .
+			$rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
 				truncate_string(strip_tags($line['title']), 15) . "</div>";
 
-			print "<div class=\"postReply\" id=\"POST-$id\">";
-
-			/* print "<div dojoType=\"dijit.Menu\" style=\"display: none;\"
-				targetNodeIds=\"POSTHDR-$id\">";
-			print "<div onclick=\"postOpenInNewTab(event, $id)\"
-				dojoType=\"dijit.MenuItem\">".__('View in a new tab')."</div>";
-			print "<div dojoType=\"dijit.MenuSeparator\"></div>";
-			print "<div onclick=\"openArticleInNewWindow($id)\"
-				dojoType=\"dijit.MenuItem\">".__('Open original article')."</div>";
-			print "</div>"; */
+			$rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
 
-			print "<div onclick=\"return postClicked(event, $id)\"
+			$rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
 				class=\"postHeader\" id=\"POSTHDR-$id\">";
 
 			$entry_author = $line["author"];
@@ -4601,69 +4598,69 @@
 			$parsed_updated = make_local_datetime($link, $line["updated"], true,
 				false, true);
 
-			print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
+			$rv['content'] .= "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
 
 			if ($line["link"]) {
-				print "<div clear='both'><a target='_blank'
+				$rv['content'] .= "<div clear='both'><a target='_blank'
 					title=\"".htmlspecialchars($line['title'])."\"
 					href=\"" .
 					$line["link"] . "\">" .
 					truncate_string($line["title"], 100) .
 					"<span class='author'>$entry_author</span></a></div>";
 			} else {
-				print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
+				$rv['content'] .= "<div clear='both'>" . $line["title"] . "$entry_author</div>";
 			}
 
 			$tags_str = format_tags_string(get_article_tags($link, $id), $id);
 
 			if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
 
-			print "<div style='float : right'>
+			$rv['content'] .= "<div style='float : right'>
 				<img src='".theme_image($link, 'images/tag.png')."'
 				class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
 
 			if (!$zoom_mode) {
-				print "<span id=\"ATSTR-$id\">$tags_str</span>
+				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
 					<a title=\"".__('Edit tags for this article')."\"
 					href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
 
-				print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
+				$rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
 						class='tagsPic' style=\"cursor : pointer\"
 						onclick=\"postOpenInNewTab(event, $id)\"
 						alt='Zoom' title='".__('Open article in new tab')."'>";
 
 				//$note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
 
-				print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
+				$rv['content'] .= "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
 						class='tagsPic' style=\"cursor : pointer\"
 						onclick=\"editArticleNote($id)\"
 						alt='PubNote' title='".__('Edit article note')."'>";
 
 				if (DIGEST_ENABLE) {
-					print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
+					$rv['content'] .= "<img src=\"".theme_image($link, 'images/art-email.png')."\"
 						class='tagsPic' style=\"cursor : pointer\"
 						onclick=\"emailArticle($id)\"
 						alt='Zoom' title='".__('Forward by email')."'>";
 				}
 
 				if (ENABLE_TWEET_BUTTON) {
-					print "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
+					$rv['content'] .= "<img src=\"".theme_image($link, 'images/art-tweet.png')."\"
 							class='tagsPic' style=\"cursor : pointer\"
 							onclick=\"tweetArticle($id)\"
 							alt='Zoom' title='".__('Share on Twitter')."'>";
 				}
 
-				print "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
+				$rv['content'] .= "<img src=\"".theme_image($link, 'images/digest_checkbox.png')."\"
 						class='tagsPic' style=\"cursor : pointer\"
 						onclick=\"closeArticlePanel($id)\"
 						alt='Zoom' title='".__('Close this panel')."'>";
 
 			} else {
 				$tags_str = strip_tags($tags_str);
-				print "<span id=\"ATSTR-$id\">$tags_str</span>";
+				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
 			}
-			print "</div>";
-			print "<div clear='both'>$entry_comments</div>";
+			$rv['content'] .= "</div>";
+			$rv['content'] .= "<div clear='both'>$entry_comments</div>";
 
 			if ($line["orig_feed_id"]) {
 
@@ -4672,66 +4669,65 @@
 
 				if (db_num_rows($tmp_result) != 0) {
 
-					print "<div clear='both'>";
-					print __("Originally from:");
+					$rv['content'] .= "<div clear='both'>";
+					$rv['content'] .= __("Originally from:");
 
-					print "&nbsp;";
+					$rv['content'] .= "&nbsp;";
 
 					$tmp_line = db_fetch_assoc($tmp_result);
 
-					print "<a target='_blank'
+					$rv['content'] .= "<a target='_blank'
 						href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
 						$tmp_line['title'] . "</a>";
 
-					print "&nbsp;";
+					$rv['content'] .= "&nbsp;";
 
-					print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
-					print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
+					$rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
+					$rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
 
-					print "</div>";
+					$rv['content'] .= "</div>";
 				}
 			}
 
-			print "</div>";
+			$rv['content'] .= "</div>";
 
-			print "<div class=\"postIcon\">" .
+			$rv['content'] .= "<div class=\"postIcon\">" .
 				"<a target=\"_blank\" title=\"".__("Visit the website")."\"$
 				href=\"".htmlspecialchars($feed_site_url)."\">".
 				$feed_icon . "</a></div>";
 
-			print "<div id=\"POSTNOTE-$id\">";
+			$rv['content'] .= "<div id=\"POSTNOTE-$id\">";
 				if ($line['note']) {
-					print format_article_note($id, $line['note']);
+					$rv['content'] .= format_article_note($id, $line['note']);
 				}
-			print "</div>";
+			$rv['content'] .= "</div>";
 
-			print "<div class=\"postContent\">";
+			$rv['content'] .= "<div class=\"postContent\">";
 
 			$article_content = sanitize_rss($link, $line["content"], false, false,
 				$feed_site_url);
 
-			print $article_content;
+			$rv['content'] .= $article_content;
 
-			print_article_enclosures($link, $id, $always_display_enclosures,
-				$article_content);
+			$rv['content'] .= format_article_enclosures($link, $id,
+				$always_display_enclosures, $article_content);
 
-			print "</div>";
+			$rv['content'] .= "</div>";
 
-			print "</div>";
+			$rv['content'] .= "</div>";
 
 		}
 
-		if (!$zoom_mode) {
-			print "]]></article>";
-		} else {
-			print "
+		if ($zoom_mode) {
+			$rv['content'] .= "
 				<div style=\"text-align : center\">
 				<button onclick=\"return window.close()\">".
 					__("Close this window")."</button></div>";
-			print "</body></html>";
-
+			$rv['content'] .= "</body></html>";
 		}
 
+		return $rv;
+
 	}
 
 	function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
@@ -5230,7 +5226,7 @@
 					$always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
 						0, "always_display_enclosures"));
 
-					print_article_enclosures($link, $id, $always_display_enclosures,
+					print format_article_enclosures($link, $id, $always_display_enclosures,
 						$article_content);
 
 					print "</div>";
@@ -6795,10 +6791,11 @@
 
 	}
 
-	function print_article_enclosures($link, $id, $always_display_enclosures,
+	function format_article_enclosures($link, $id, $always_display_enclosures,
 					$article_content) {
 
 		$result = get_article_enclosures($link, $id);
+		$rv = '';
 
 		if (count($result) > 0) {
 
@@ -6830,7 +6827,7 @@
 				array_push($entries, $entry);
 			}
 
-			print "<div class=\"postEnclosures\">";
+			$rv .= "<div class=\"postEnclosures\">";
 
 			if (!get_pref($link, "STRIP_IMAGES")) {
 				if ($always_display_enclosures ||
@@ -6841,7 +6838,7 @@
 						if (preg_match("/image/", $entry["type"]) ||
 								preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
 
-								print "<p><img
+								$rv .= "<p><img
 								alt=\"".htmlspecialchars($entry["filename"])."\"
 								src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
 						}
@@ -6850,15 +6847,17 @@
 			}
 
 			if (count($entries) == 1) {
-				print __("Attachment:") . " ";
+				$rv .= __("Attachment:") . " ";
 			} else {
-				print __("Attachments:") . " ";
+				$rv .= __("Attachments:") . " ";
 			}
 
-			print join(", ", $entries_html);
+			$rv .= join(", ", $entries_html);
 
-			print "</div>";
+			$rv .= "</div>";
 		}
+
+		return $rv;
 	}
 
 	function getLastArticleId($link) {
diff --git a/modules/backend-rpc.php b/modules/backend-rpc.php
index 947dd5c5..bb76fd16 100644
--- a/modules/backend-rpc.php
+++ b/modules/backend-rpc.php
@@ -39,15 +39,15 @@
 
 					db_query($link, "INSERT INTO ttrss_settings_profiles (title, owner_uid)
 						VALUES ('$title', ".$_SESSION["uid"] .")");
-	
+
 					$result = db_query($link, "SELECT id FROM ttrss_settings_profiles WHERE
 						title = '$title'");
-	
+
 					if (db_num_rows($result) != 0) {
 						$profile_id = db_fetch_result($result, 0, "id");
-	
+
 						if ($profile_id) {
-							initialize_user_prefs($link, $_SESSION["uid"], $profile_id); 
+							initialize_user_prefs($link, $_SESSION["uid"], $profile_id);
 						}
 					}
 				}
@@ -85,7 +85,7 @@
 				}
 
 				db_query($link, "COMMIT");
-			}			
+			}
 			return;
 		}
 
@@ -95,7 +95,7 @@
 
 			foreach ($ids as $id) {
 				$result = db_query($link, "DELETE FROM ttrss_archived_feeds WHERE
-					(SELECT COUNT(*) FROM ttrss_user_entries 
+					(SELECT COUNT(*) FROM ttrss_user_entries
 						WHERE orig_feed_id = '$id') = 0 AND
 						id = '$id' AND owner_uid = ".$_SESSION["uid"]);
 
@@ -178,7 +178,7 @@
 
 			$ids = db_escape_string($_REQUEST["ids"]);
 
-			$result = db_query($link, "DELETE FROM ttrss_user_entries 				
+			$result = db_query($link, "DELETE FROM ttrss_user_entries
 				WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
 
 			print json_encode(array("message" => "UPDATE_COUNTERS"));
@@ -190,7 +190,7 @@
 
 			$ids = db_escape_string($_REQUEST["ids"]);
 
-			$result = db_query($link, "UPDATE ttrss_user_entries 
+			$result = db_query($link, "UPDATE ttrss_user_entries
 				SET feed_id = orig_feed_id, orig_feed_id = NULL
 				WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
 
@@ -224,7 +224,7 @@
 				$pub = "false";
 			}
 
-			$result = db_query($link, "UPDATE ttrss_user_entries SET 
+			$result = db_query($link, "UPDATE ttrss_user_entries SET
 				published = $pub
 				WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
 
@@ -248,7 +248,7 @@
 
 			header("Content-Type: text/plain");
 
-			$last_article_id = (int) $_REQUEST["last_article_id"];	
+			$last_article_id = (int) $_REQUEST["last_article_id"];
 
 			$reply = array();
 
@@ -257,12 +257,12 @@
 			if ($last_article_id != getLastArticleId($link)) {
 				$omode = $_REQUEST["omode"];
 
-				if ($omode != "T") 
+				if ($omode != "T")
 					$reply['counters'] = getAllCounters($link, $omode);
 				else
 					$reply['counters'] = getGlobalCounters($link);
 			}
- 
+
 			$reply['runtime-info'] = make_runtime_info($link);
 
 
@@ -325,7 +325,7 @@
 			print "</rpc-reply>";
 
 			return;
-		}		
+		}
 
 /*		if ($subop == "globalPurge") {
 
@@ -357,11 +357,11 @@
 
 				$int_id = db_fetch_result($result, 0, "int_id");
 
-				db_query($link, "DELETE FROM ttrss_tags WHERE 
+				db_query($link, "DELETE FROM ttrss_tags WHERE
 					post_int_id = $int_id AND owner_uid = '".$_SESSION["uid"]."'");
 
 				foreach ($tags as $tag) {
-					$tag = sanitize_tag($tag);	
+					$tag = sanitize_tag($tag);
 
 					if (!tag_is_valid($tag)) {
 						continue;
@@ -372,9 +372,9 @@
 					}
 
 //					print "<!-- $id : $int_id : $tag -->";
-					
+
 					if ($tag != '') {
-						db_query($link, "INSERT INTO ttrss_tags 
+						db_query($link, "INSERT INTO ttrss_tags
 							(post_int_id, owner_uid, tag_name) VALUES ('$int_id', '".$_SESSION["uid"]."', '$tag')");
 					}
 
@@ -385,7 +385,7 @@
 
 				$tags_str = join(",", $tags_to_cache);
 
-				db_query($link, "UPDATE ttrss_user_entries 
+				db_query($link, "UPDATE ttrss_user_entries
 					SET tag_cache = '$tags_str' WHERE ref_id = '$id'
 					AND owner_uid = " . $_SESSION["uid"]);
 			}
@@ -408,10 +408,10 @@
 		if ($subop == "regenOPMLKey") {
 			header("Content-Type: text/plain");
 
-			update_feed_access_key($link, 'OPML:Publish', 
+			update_feed_access_key($link, 'OPML:Publish',
 				false, $_SESSION["uid"]);
 
-			$new_link = opml_publish_url($link);		
+			$new_link = opml_publish_url($link);
 
 			print json_encode(array("link" => $new_link));
 			return;
@@ -429,7 +429,7 @@
 
 			$search = db_escape_string($_REQUEST["search"]);
 
-			$result = db_query($link, "SELECT DISTINCT tag_name FROM ttrss_tags 
+			$result = db_query($link, "SELECT DISTINCT tag_name FROM ttrss_tags
 				WHERE owner_uid = '".$_SESSION["uid"]."' AND
 			  	tag_name LIKE '$search%' ORDER BY tag_name
 				LIMIT 10");
@@ -473,20 +473,20 @@
 
 		} */
 
-		// XML method
 		if ($subop == "getArticles") {
-			$ids = split(",", db_escape_string($_REQUEST["ids"]));
+			header("Content-Type: text/plain");
 
-			print "<rpc-reply>";
+			$ids = split(",", db_escape_string($_REQUEST["ids"]));
+			$articles = array();
 
 			foreach ($ids as $id) {
 				if ($id) {
-					outputArticleXML($link, $id, 0, false);
+					array_push($articles, format_article($link, $id, 0, false));
 				}
 			}
-			print "</rpc-reply>";
 
-			return;		
+			print json_encode($articles);
+			return;
 		}
 
 		if ($subop == "checkDate") {
@@ -507,7 +507,7 @@
 			$ids = split(",", db_escape_string($_REQUEST["ids"]));
 			$label_id = db_escape_string($_REQUEST["lid"]);
 
-			$label = db_escape_string(label_find_caption($link, $label_id, 
+			$label = db_escape_string(label_find_caption($link, $label_id,
 				$_SESSION["uid"]));
 
 			$reply["info-for-headlines"] = array();
@@ -522,7 +522,7 @@
 						label_remove_article($link, $id, $label, $_SESSION["uid"]);
 
 					$labels = get_article_labels($link, $id, $_SESSION["uid"]);
-				  
+
 					array_push($reply["info-for-headlines"],
 					  array("id" => $id, "labels" => format_article_labels($labels, $id)));
 
@@ -568,23 +568,23 @@
 					$orig_id = db_escape_string(db_fetch_result($result, 0, "id"));
 					$site_url = db_escape_string(db_fetch_result($result, 0, "site_url"));
 				}
-	
+
 				$feed_url = db_escape_string(db_fetch_result($result, 0, "feed_url"));
 				$title = db_escape_string(db_fetch_result($result, 0, "title"));
-	
+
 				$title_orig = db_fetch_result($result, 0, "title");
-	
+
 				$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
 						feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
-	
-				if (db_num_rows($result) == 0) {			
+
+				if (db_num_rows($result) == 0) {
 					if ($mode == 1) {
 						$result = db_query($link,
-							"INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id) 
+							"INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id)
 							VALUES ('".$_SESSION["uid"]."', '$feed_url', '$title', NULL)");
 					} else if ($mode == 2) {
 						$result = db_query($link,
-							"INSERT INTO ttrss_feeds (id,owner_uid,feed_url,title,cat_id,site_url) 
+							"INSERT INTO ttrss_feeds (id,owner_uid,feed_url,title,cat_id,site_url)
 							VALUES ('$orig_id','".$_SESSION["uid"]."', '$feed_url', '$title', NULL, '$site_url')");
 					}
 					array_push($subscribed, $title_orig);
@@ -592,14 +592,14 @@
 			}
 
 			return;
-		} 
+		}
 
 		if ($subop == "digest-get-contents") {
 			header("Content-Type: text/plain");
 
 			$article_id = db_escape_string($_REQUEST['article_id']);
 
-			$result = db_query($link, "SELECT content 
+			$result = db_query($link, "SELECT content
 				FROM ttrss_entries, ttrss_user_entries
 				WHERE id = '$article_id' AND ref_id = id AND owner_uid = ".$_SESSION['uid']);
 
@@ -616,7 +616,7 @@
 			$feed_id = db_escape_string($_REQUEST['feed_id']);
 			$offset = db_escape_string($_REQUEST['offset']);
 			$seq = db_escape_string($_REQUEST['seq']);
-		
+
 			if (!$feed_id) $feed_id = -4;
 			if (!$offset) $offset = 0;
 
@@ -670,7 +670,7 @@
 
 			$reply = array();
 
-			if (DIGEST_ENABLE && $_SESSION['email_secretkey'] && 
+			if (DIGEST_ENABLE && $_SESSION['email_secretkey'] &&
 						$secretkey == $_SESSION['email_secretkey']) {
 
 				$_SESSION['email_secretkey'] = '';
@@ -798,19 +798,19 @@
 
 			$id = db_escape_string($_REQUEST["id"]);
 
-			$result = db_query($link, "SELECT content, 
-				ttrss_feeds.site_url AS site_url FROM ttrss_user_entries, ttrss_feeds, 
+			$result = db_query($link, "SELECT content,
+				ttrss_feeds.site_url AS site_url FROM ttrss_user_entries, ttrss_feeds,
 				ttrss_entries
-				WHERE feed_id = ttrss_feeds.id AND ref_id = '$id' AND 
+				WHERE feed_id = ttrss_feeds.id AND ref_id = '$id' AND
 				ttrss_entries.id = ref_id AND
 				ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
 
 			if (db_num_rows($result) != 0) {
 				$line = db_fetch_assoc($result);
 
-				$article_content = sanitize_rss($link, $line["content"], 
+				$article_content = sanitize_rss($link, $line["content"],
 					false, false, $line['site_url']);
-			
+
 			} else {
 				$article_content = '';
 			}
@@ -841,7 +841,7 @@
 				} else {
 					$message = __("Category update has been scheduled.");
 
-					if ($feed_id) 
+					if ($feed_id)
 						$cat_query = "cat_id = '$feed_id'";
 					else
 						$cat_query = "cat_id IS NULL";
@@ -863,7 +863,7 @@
 			header("Content-Type: text/plain");
 			$id = db_escape_string($_REQUEST['id']);
 
-			$result = db_query($link, "SELECT title, link 
+			$result = db_query($link, "SELECT title, link
 				FROM ttrss_entries, ttrss_user_entries
 				WHERE id = '$id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
 
diff --git a/tt-rss.js b/tt-rss.js
index 690e35bc..3d0f5304 100644
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -52,7 +52,7 @@ function setActiveFeedId(id, is_cat) {
 function updateFeedList() {
 	try {
 
-//		$("feeds-holder").innerHTML = "<div id=\"feedlistLoading\">" + 
+//		$("feeds-holder").innerHTML = "<div id=\"feedlistLoading\">" +
 //			__("Loading, please wait...") + "</div>";
 
 		Element.show("feedlistLoading");
@@ -81,16 +81,16 @@ function updateFeedList() {
 			var id = String(item.id);
 			var cat_id = id.substr(id.indexOf(":")+1);
 
-			new Ajax.Request("backend.php", 
-				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" + 
+			new Ajax.Request("backend.php",
+				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 					param_escape(cat_id) + "&mode=0" } );
 	   },
 		onClose: function (item, node) {
 			var id = String(item.id);
 			var cat_id = id.substr(id.indexOf(":")+1);
 
-			new Ajax.Request("backend.php", 
-				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" + 
+			new Ajax.Request("backend.php",
+				{ parameters: "backend.php?op=feeds&subop=collapse&cid=" +
 					param_escape(cat_id) + "&mode=1" } );
 
 	   },
@@ -107,14 +107,14 @@ function updateFeedList() {
 		}, "feedTree");
 
 /*		var menu = new dijit.Menu({id: 'feedMenu'});
-		
+
 		menu.addChild(new dijit.MenuItem({
           label: "Simple menu item"
 		}));
 
 //		menu.bindDomNode(tree.domNode); */
-		
-		var tmph = dojo.connect(dijit.byId('feedMenu'), '_openMyself', function (event) { 
+
+		var tmph = dojo.connect(dijit.byId('feedMenu'), '_openMyself', function (event) {
 			console.log(dijit.getEnclosingWidget(event.target));
 			dojo.disconnect(tmph);
 		});
@@ -156,8 +156,8 @@ function catchupAllFeeds() {
 
 		new Ajax.Request("backend.php", {
 			parameters: query_str,
-			onComplete: function(transport) { 
-				feedlist_callback2(transport); 
+			onComplete: function(transport) {
+				feedlist_callback2(transport);
 			} });
 
 		global_unread = 0;
@@ -185,28 +185,28 @@ function timeout() {
 			//console.log("timeout()");
 
 			window.clearTimeout(counter_timeout_id);
-		
+
 			var query_str = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
-		
+
 			var omode;
-		
+
 			if (firsttime_update && !navigator.userAgent.match("Opera")) {
 				firsttime_update = false;
 				omode = "T";
 			} else {
 				omode = "flc";
 			}
-			
+
 			query_str = query_str + "&omode=" + omode;
 
 			if (!_force_scheduled_update)
 				query_str = query_str + "&last_article_id=" + getInitParam("last_article_id");
-		
+
 			//console.log("[timeout]" + query_str);
-		
+
 			new Ajax.Request("backend.php", {
 				parameters: query_str,
-				onComplete: function(transport) { 
+				onComplete: function(transport) {
 						handle_rpc_json(transport, !_force_scheduled_update);
 						_force_scheduled_update = false;
 					} });
@@ -264,7 +264,7 @@ function updateTitle() {
 
 function genericSanityCheck() {
 	setCookie("ttrss_test", "TEST");
-	
+
 	if (getCookie("ttrss_test") != "TEST") {
 		return fatalError(2);
 	}
@@ -317,7 +317,7 @@ function init() {
 
 		});
 
-		if (!genericSanityCheck()) 
+		if (!genericSanityCheck())
 			return false;
 
 		loading_set_progress(20);
@@ -343,10 +343,10 @@ function init_second_stage() {
 
 		var toolbar = document.forms["main_toolbar_form"];
 
-		dijit.getEnclosingWidget(toolbar.view_mode).attr('value', 
+		dijit.getEnclosingWidget(toolbar.view_mode).attr('value',
 			getInitParam("default_view_mode"));
 
-		dijit.getEnclosingWidget(toolbar.order_by).attr('value', 
+		dijit.getEnclosingWidget(toolbar.order_by).attr('value',
 			getInitParam("default_view_order_by"));
 
 		feeds_sort_by_unread = getInitParam("feeds_sort_by_unread") == 1;
@@ -368,7 +368,7 @@ function quickMenuGo(opid) {
 		if (opid == "qmcPrefs") {
 			gotoPreferences();
 		}
-	
+
 		if (opid == "qmcTagCloud") {
 			displayDlg("printTagCloud");
 		}
@@ -377,7 +377,7 @@ function quickMenuGo(opid) {
 			search();
 			return;
 		}
-	
+
 		if (opid == "qmcAddFeed") {
 			quickAddFeed();
 			return;
@@ -395,14 +395,14 @@ function quickMenuGo(opid) {
 				editFeed(getActiveFeedId());
 			return;
 		}
-	
+
 		if (opid == "qmcRemoveFeed") {
 			var actid = getActiveFeedId();
 
 			if (activeFeedIsCat()) {
 				alert(__("You can't unsubscribe from the category."));
 				return;
-			}	
+			}
 
 			if (!actid) {
 				alert(__("Please select some feed first."));
@@ -416,7 +416,7 @@ function quickMenuGo(opid) {
 			if (confirm(pr)) {
 				unsubscribeFeed(actid);
 			}
-		
+
 			return;
 		}
 
@@ -424,12 +424,12 @@ function quickMenuGo(opid) {
 			catchupAllFeeds();
 			return;
 		}
-	
+
 		if (opid == "qmcShowOnlyUnread") {
 			toggleDispRead();
 			return;
 		}
-	
+
 		if (opid == "qmcAddFilter") {
 			quickAddFilter();
 			return;
@@ -462,16 +462,16 @@ function toggleDispRead() {
 
 		hideOrShowFeeds(hide);
 
-		var query = "?op=rpc&subop=setpref&key=HIDE_READ_FEEDS&value=" + 
+		var query = "?op=rpc&subop=setpref&key=HIDE_READ_FEEDS&value=" +
 			param_escape(hide);
 
 		setInitParam("hide_read_feeds", hide);
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
-			onComplete: function(transport) { 
+			onComplete: function(transport) {
 			} });
-				
+
 	} catch (e) {
 		exception_error("toggleDispRead", e);
 	}
@@ -517,7 +517,7 @@ function parse_runtime_info(data) {
 			}
 		}
 
-		init_params[k] = v;					
+		init_params[k] = v;
 		notify('');
 	}
 }
@@ -525,7 +525,7 @@ function parse_runtime_info(data) {
 function catchupCurrentFeed() {
 
 	var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
-	
+
 	var str = __("Mark all articles in %s as read?").replace("%s", fn);
 
 	if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
@@ -610,7 +610,7 @@ function rescoreCurrentFeed() {
 	if (activeFeedIsCat() || actid < 0) {
 		alert(__("You can't rescore this kind of feed."));
 		return;
-	}	
+	}
 
 	if (!actid) {
 		alert(__("Please select some feed first."));
@@ -648,7 +648,7 @@ function hotkey_handler(e) {
 		} catch (e) {
 
 		}
-	
+
 		if (window.event) {
 			keycode = window.event.keyCode;
 		} else if (e) {
@@ -662,12 +662,12 @@ function hotkey_handler(e) {
 				Element.hide("hotkey_help_overlay");
 			}
 			hotkey_prefix = false;
-		} 
+		}
 
 		if (keycode == 16) return; // ignore lone shift
 		if (keycode == 17) return; // ignore lone ctrl
 
-		if ((keycode == 70 || keycode == 67 || keycode == 71) 
+		if ((keycode == 70 || keycode == 67 || keycode == 71)
 				&& !hotkey_prefix) {
 
 			var date = new Date();
@@ -715,7 +715,7 @@ function hotkey_handler(e) {
 
 				return;
 			}
-	
+
 			if (keycode == 75) { // k
 				var rv = dijit.byId("feedTree").getNextFeed(
 						getActiveFeedId(), activeFeedIsCat());
@@ -736,12 +736,12 @@ function hotkey_handler(e) {
 			}
 
 			if (shift_key && keycode == 78) { // N
-				scrollArticle(50);	
+				scrollArticle(50);
 				return;
 			}
 
 			if (shift_key && keycode == 80) { // P
-				scrollArticle(-50);	
+				scrollArticle(-50);
 				return;
 			}
 
@@ -761,7 +761,7 @@ function hotkey_handler(e) {
 					return false;
 				}
 			}
-	
+
 			if (keycode == 80 || keycode == 38) { // p, up
 				if (typeof moveToPost != 'undefined') {
 					moveToPost('prev');
@@ -795,7 +795,7 @@ function hotkey_handler(e) {
 
 			if (keycode == 9) { // tab
 				var id = getArticleUnderPointer();
-				if (id) {				
+				if (id) {
 					var cb = $("RCHK-" + id);
 
 					if (cb) {
@@ -830,7 +830,7 @@ function hotkey_handler(e) {
 
 		/* Prefix f */
 
-		if (hotkey_prefix == 70) { // f 
+		if (hotkey_prefix == 70) { // f
 
 			hotkey_prefix = false;
 
@@ -981,7 +981,7 @@ function hotkey_handler(e) {
 
 		/* Cmd */
 
-		if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f 
+		if (hotkey_prefix == 224 || hotkey_prefix == 91) { // f
 			hotkey_prefix = false;
 			return;
 		}
@@ -1009,7 +1009,7 @@ function reverseHeadlineOrder() {
 
 		new Ajax.Request("backend.php", {
 			parameters: query_str,
-			onComplete: function(transport) { 
+			onComplete: function(transport) {
 					viewCurrentFeed();
 				} });
 
@@ -1052,7 +1052,7 @@ function handle_rpc_reply(transport, scheduled_call) {
 			}
 
 			var counters = transport.responseXML.getElementsByTagName("counters")[0];
-	
+
 			if (counters)
 				parse_counters(JSON.parse(counters.firstChild.nodeValue), scheduled_call);
 
@@ -1086,7 +1086,7 @@ function scheduleFeedUpdate(id, is_cat) {
 			return;
 		}
 
-		var query = "?op=rpc&subop=scheduleFeedUpdate&id=" + 
+		var query = "?op=rpc&subop=scheduleFeedUpdate&id=" +
 			param_escape(id) +
 			"&is_cat=" + param_escape(is_cat);
 
@@ -1094,7 +1094,7 @@ function scheduleFeedUpdate(id, is_cat) {
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
-			onComplete: function(transport) { 
+			onComplete: function(transport) {
 				handle_rpc_json(transport);
 
 				var reply = JSON.parse(transport.responseText);
@@ -1145,6 +1145,9 @@ function handle_rpc_json(transport, scheduled_call) {
 			if (error) {
 				var code = error['code'];
 				var msg = error['msg'];
+
+				console.warn("[handle_rpc_json] received fatal error " + code + "/" + msg);
+
 				if (code != 0) {
 					fatalError(code, msg);
 					return false;
@@ -1155,7 +1158,7 @@ function handle_rpc_json(transport, scheduled_call) {
 
 			if (seq) {
 				if (get_seq() != seq) {
-					console.log("[handle_rpc_json] sequence mismatch: " + seq + 
+					console.log("[handle_rpc_json] sequence mismatch: " + seq +
 						" (want: " + get_seq() + ")");
 					return true;
 				}
@@ -1172,7 +1175,7 @@ function handle_rpc_json(transport, scheduled_call) {
 			}
 
 			var counters = reply['counters'];
-	
+
 			if (counters)
 				parse_counters(counters, scheduled_call);
 
diff --git a/viewfeed.js b/viewfeed.js
index 2cad5afb..6e220bb4 100644
--- a/viewfeed.js
+++ b/viewfeed.js
@@ -16,15 +16,12 @@ var cache_added = [];
 
 function headlines_callback2(transport, feed_cur_page) {
 	try {
-
-		if (!handle_rpc_reply(transport)) return;
+		handle_rpc_json(transport);
 
 		loading_set_progress(25);
 
 		console.log("headlines_callback2 [page=" + feed_cur_page + "]");
 
-		if (!transport_error_check(transport)) return;
-
 		var is_cat = false;
 		var feed_id = false;
 
@@ -42,11 +39,11 @@ function headlines_callback2(transport, feed_cur_page) {
 		update_btn.disabled = !(feed_id >= 0 && !is_cat);
 
 		try {
-			if (feed_cur_page == 0) { 
-				$("headlines-frame").scrollTop = 0; 
+			if (feed_cur_page == 0) {
+				$("headlines-frame").scrollTop = 0;
 			}
 		} catch (e) { };
-	
+
 		if (transport.responseXML) {
 			var response = transport.responseXML;
 
@@ -54,7 +51,7 @@ function headlines_callback2(transport, feed_cur_page) {
 
 			var headlines_content = headlines.getElementsByTagName("content")[0];
 			var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
-			
+
 			var headlines_info = response.getElementsByTagName("headlines-info")[0];
 
 			if (headlines_info)
@@ -67,7 +64,7 @@ function headlines_callback2(transport, feed_cur_page) {
 			var headlines_count = headlines_info.count;
 			var headlines_unread = headlines_info.unread;
 			var disable_cache = headlines_info.disable_cache;
-			
+
 			vgroup_last_feed = headlines_info.vgroup_last_feed;
 
 			if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
@@ -79,10 +76,10 @@ function headlines_callback2(transport, feed_cur_page) {
 			var counters = response.getElementsByTagName("counters")[0];
 			var articles = response.getElementsByTagName("article");
 			var runtime_info = response.getElementsByTagName("runtime-info");
-	
+
 			if (feed_cur_page == 0) {
 				if (headlines) {
-					dijit.byId("headlines-frame").attr('content', 
+					dijit.byId("headlines-frame").attr('content',
 						headlines_content.firstChild.nodeValue);
 
 					dijit.byId("headlines-toolbar").attr('content',
@@ -107,20 +104,20 @@ function headlines_callback2(transport, feed_cur_page) {
 
 				} else {
 					console.warn("headlines_callback: returned no data");
-					dijit.byId("headlines-frame").attr('content', 
-						"<div class='whiteBox'>" + 
+					dijit.byId("headlines-frame").attr('content',
+						"<div class='whiteBox'>" +
 						__('Could not update headlines (missing XML data)') + "</div>");
-	
+
 				}
 			} else {
 				if (headlines) {
 					if (headlines_count > 0) {
 						console.log("adding some more headlines...");
 
-						var c = dijit.byId("headlines-frame");	
+						var c = dijit.byId("headlines-frame");
 						var ids = getSelectedArticleIds2();
-	
-						//c.attr('content', c.attr('content') + 
+
+						//c.attr('content', c.attr('content') +
 						//	headlines_content.firstChild.nodeValue);
 
 						$("headlines-tmp").innerHTML = headlines_content.firstChild.nodeValue;
@@ -142,11 +139,11 @@ function headlines_callback2(transport, feed_cur_page) {
 					}
 				} else {
 					console.warn("headlines_callback: returned no data");
-					notify_error("Error while trying to load more headlines");	
+					notify_error("Error while trying to load more headlines");
 				}
 
 			}
-	
+
 			if (articles) {
 				for (var i = 0; i < articles.length; i++) {
 					var a_id = articles[i].getAttribute("id");
@@ -164,10 +161,10 @@ function headlines_callback2(transport, feed_cur_page) {
 
 		} else {
 			console.warn("headlines_callback: returned no XML object");
-			dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" + 
+			dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 					__('Could not update headlines (missing XML object)') + "</div>");
 		}
-	
+
 
 
 		_feed_cur_page = feed_cur_page;
@@ -190,7 +187,7 @@ function render_article(article) {
 		try {
 			c.domNode.scrollTop = 0;
 		} catch (e) { };
-		
+
 		c.attr('content', article);
 
 		correctHeadlinesOffset(getActiveArticleId());
@@ -215,7 +212,7 @@ function showArticleInHeadlines(id) {
 		if (!crow) return;
 
 		var article_is_unread = crow.hasClassName("Unread");
-			
+
 		crow.removeClassName("Unread");
 
 		selectArticles('none');
@@ -223,7 +220,7 @@ function showArticleInHeadlines(id) {
 		var upd_img_pic = $("FUPDPIC-" + id);
 
 		var cache_prefix = "";
-				
+
 		if (activeFeedIsCat()) {
 			cache_prefix = "C:";
 		} else {
@@ -233,13 +230,13 @@ function showArticleInHeadlines(id) {
 		var view_mode = false;
 
 		try {
-			view_mode = document.forms['main_toolbar_form'].view_mode;	
+			view_mode = document.forms['main_toolbar_form'].view_mode;
 			view_mode = view_mode[view_mode.selectedIndex].value;
 		} catch (e) {
 			//
 		}
 
-		if (upd_img_pic && (upd_img_pic.src.match("updated.png") || 
+		if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 					upd_img_pic.src.match("fresh_sign.png"))) {
 
 			upd_img_pic.src = "images/blank_icon.gif";
@@ -276,51 +273,32 @@ function article_callback2(transport, id) {
 	try {
 		console.log("article_callback2 " + id);
 
-		if (!handle_rpc_reply(transport)) return;
-
-		if (transport.responseXML) {
+		handle_rpc_json(transport);
 
-			if (!transport_error_check(transport)) return;
+		var reply = JSON.parse(transport.responseText);
 
+		if (reply) {
 			var upic = $('FUPDPIC-' + id);
 
-			if (upic) {
-				upic.src = 'images/blank_icon.gif';
-			}
+			if (upic) upic.src = 'images/blank_icon.gif';
 
 			if (id != last_requested_article) {
 				console.log("requested article id is out of sequence, aborting");
 				return;
 			}
 
-//			active_post_id = id; 
-
-			//console.log("looking for articles to cache...");
-
-			var articles = transport.responseXML.getElementsByTagName("article");
-
-			for (var i = 0; i < articles.length; i++) {
-				var a_id = articles[i].getAttribute("id");
-
-				//console.log("found id: " + a_id);
-
-				if (a_id == active_post_id) {
-					//console.log("active article, rendering...");					
-					render_article(articles[i].firstChild.nodeValue);
+			reply.each(function(article) {
+				if (active_post_id == article['id']) {
+					render_article(article['content']);
 				}
+				cache_inject(article['id'], article['content']);
+			});
 
-				cache_inject(a_id, articles[i].firstChild.nodeValue);
-			}
-
-
-//			showArticleInHeadlines(id);	
-
-			var reply = transport.responseXML.firstChild.firstChild;
-		
 		} else {
-			console.warn("article_callback: returned no XML object");
-			//var f = $("content-frame");
-			//f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
+			console.warn("article_callback: returned invalid data");
+
+			render_article("<div class='whiteBox'>" +
+					__('Could not display article (invalid data received)') + "</div>");
 		}
 
 		var date = new Date();
@@ -341,7 +319,7 @@ function view(id) {
 		var cached_article = cache_find(id);
 
 		console.log("cache check result: " + (cached_article != false));
-	
+
 		hideAuxDlg();
 
 		var query = "?op=view&id=" + param_escape(id);
@@ -358,8 +336,8 @@ function view(id) {
 			}
 		}
 
-		console.log("additional ids: " + cids_to_request.toString());			
-	
+		console.log("additional ids: " + cids_to_request.toString());
+
 		query = query + "&cids=" + cids_to_request.toString();
 
 		var crow = $("RROW-" + id);
@@ -372,7 +350,7 @@ function view(id) {
 
 			var upic = $('FUPDPIC-' + id);
 
-			if (upic) {	
+			if (upic) {
 				upic.src = getInitParam("sign_progress");
 			}
 
@@ -395,8 +373,8 @@ function view(id) {
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
-			onComplete: function(transport) { 
-				article_callback2(transport, id); 
+			onComplete: function(transport) {
+				article_callback2(transport, id);
 			} });
 
 		return false;
@@ -417,11 +395,11 @@ function tPub(id) {
 function toggleMark(id, client_only) {
 	try {
 		var query = "?op=rpc&id=" + id + "&subop=mark";
-	
+
 		var img = $("FMPIC-" + id);
 
 		if (!img) return;
-	
+
 		if (img.src.match("mark_unset")) {
 			img.src = img.src.replace("mark_unset", "mark_set");
 			img.alt = __("Unstar article");
@@ -436,8 +414,8 @@ function toggleMark(id, client_only) {
 		if (!client_only) {
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_json(transport); 
+				onComplete: function(transport) {
+					handle_rpc_json(transport);
 				} });
 		}
 
@@ -449,7 +427,7 @@ function toggleMark(id, client_only) {
 function togglePub(id, client_only, no_effects, note) {
 	try {
 		var query = "?op=rpc&id=" + id + "&subop=publ";
-	
+
 		if (note != undefined) {
 			query = query + "&note=" + param_escape(note);
 		} else {
@@ -459,7 +437,7 @@ function togglePub(id, client_only, no_effects, note) {
 		var img = $("FPPIC-" + id);
 
 		if (!img) return;
-	
+
 		if (img.src.match("pub_unset") || note != undefined) {
 			img.src = img.src.replace("pub_unset", "pub_set");
 			img.alt = __("Unpublish article");
@@ -475,41 +453,11 @@ function togglePub(id, client_only, no_effects, note) {
 		if (!client_only) {
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_json(transport); 
+				onComplete: function(transport) {
+					handle_rpc_json(transport);
 				} });
 		}
 
-/*		if (!client_only) {
-			new Ajax.Request("backend.php", {
-				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_reply(transport);
-		
-					var note = transport.responseXML.getElementsByTagName("note")[0];
-		
-					if (note) {
-						var note_id = note.getAttribute("id");
-						var note_size = note.getAttribute("size");
-						var note_content = note.firstChild.nodeValue;
-		
-						var container = $('POSTNOTE-' + note_id);
-		
-						cache_invalidate(note_id);
-		
-						if (container) {
-							if (note_size == "0") {
-								Element.hide(container);
-							} else {
-								container.innerHTML = note_content;
-								Element.show(container);
-							}
-						}
-					}	
-
-				} });
-		} */
-
 	} catch (e) {
 		exception_error("togglePub", e);
 	}
@@ -523,27 +471,27 @@ function moveToPost(mode) {
 
 		var prev_id = false;
 		var next_id = false;
-		
+
 		if (!$('RROW-' + active_post_id)) {
 			active_post_id = false;
 		}
-		
+
 		if (active_post_id == false) {
 			next_id = getFirstVisibleHeadlineId();
 			prev_id = getLastVisibleHeadlineId();
-		} else {	
+		} else {
 			for (var i = 0; i < rows.length; i++) {
 				if (rows[i] == active_post_id) {
 					prev_id = rows[i-1];
-					next_id = rows[i+1];			
+					next_id = rows[i+1];
 				}
 			}
 		}
-		
+
 		if (mode == "next") {
 		 	if (next_id) {
 				if (isCdmMode()) {
-	
+
 					cdmExpandArticle(next_id);
 					cdmScrollToArticleId(next_id);
 
@@ -553,7 +501,7 @@ function moveToPost(mode) {
 				}
 			}
 		}
-		
+
 		if (mode == "prev") {
 			if (prev_id) {
 				if (isCdmMode()) {
@@ -564,7 +512,7 @@ function moveToPost(mode) {
 					view(prev_id, getActiveFeedId());
 				}
 			}
-		} 
+		}
 
 	} catch (e) {
 		exception_error("moveToPost", e);
@@ -573,7 +521,7 @@ function moveToPost(mode) {
 
 function toggleSelected(id, force_on) {
 	try {
-	
+
 		var cb = $("RCHK-" + id);
 		var row = $("RROW-" + id);
 
@@ -600,11 +548,11 @@ function toggleUnread_afh(effect) {
 	} catch (e) {
 		exception_error("toggleUnread_afh", e);
 	}
-} 
+}
 
 function toggleUnread(id, cmode, effect) {
 	try {
-	
+
 		var row = $("RROW-" + id);
 		if (row) {
 			if (cmode == undefined || cmode == 2) {
@@ -615,7 +563,7 @@ function toggleUnread(id, cmode, effect) {
 						new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 							afterFinish: toggleUnread_afh,
 							queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
-					} 
+					}
 
 				} else {
 					row.addClassName("Unread");
@@ -629,7 +577,7 @@ function toggleUnread(id, cmode, effect) {
 					new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 						afterFinish: toggleUnread_afh,
 						queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
-				} 
+				}
 
 			} else if (cmode == 1) {
 				row.addClassName("Unread");
@@ -644,8 +592,8 @@ function toggleUnread(id, cmode, effect) {
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_json(transport); 
+				onComplete: function(transport) {
+					handle_rpc_json(transport);
 				} });
 
 		}
@@ -680,7 +628,7 @@ function selectionRemoveLabel(id, ids) {
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
+				onComplete: function(transport) {
 					handle_rpc_json(transport);
 					show_labels_in_headlines(transport);
 				} });
@@ -718,7 +666,7 @@ function selectionAssignLabel(id, ids) {
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
+				onComplete: function(transport) {
 					handle_rpc_json(transport);
 					show_labels_in_headlines(transport);
 				} });
@@ -774,13 +722,13 @@ function selectionToggleUnread(set_state, callback, no_error) {
 			}
 
 			var query = "?op=rpc&subop=catchupSelected" +
-				"&cmode=" + cmode + "&ids=" + param_escape(rows.toString()); 
+				"&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 
 			notify_progress("Loading, please wait...");
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
+				onComplete: function(transport) {
 					handle_rpc_json(transport);
 					if (callback) callback(transport);
 				} });
@@ -794,9 +742,9 @@ function selectionToggleUnread(set_state, callback, no_error) {
 
 function selectionToggleMarked() {
 	try {
-	
+
 		var rows = getSelectedArticleIds2();
-		
+
 		if (rows.length == 0) {
 			alert(__("No articles are selected."));
 			return;
@@ -813,8 +761,8 @@ function selectionToggleMarked() {
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_json(transport); 
+				onComplete: function(transport) {
+					handle_rpc_json(transport);
 				} });
 
 		}
@@ -826,7 +774,7 @@ function selectionToggleMarked() {
 
 function selectionTogglePublished() {
 	try {
-	
+
 		var rows = getSelectedArticleIds2();
 
 		if (rows.length == 0) {
@@ -845,8 +793,8 @@ function selectionTogglePublished() {
 
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
-					handle_rpc_json(transport); 
+				onComplete: function(transport) {
+					handle_rpc_json(transport);
 				} });
 
 		}
@@ -925,7 +873,7 @@ function selectArticles(mode) {
 function catchupPage() {
 
 	var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
-	
+
 	var str = __("Mark all visible articles in %s as read?");
 
 	str = str.replace("%s", fn);
@@ -942,27 +890,27 @@ function catchupPage() {
 function deleteSelection() {
 
 	try {
-	
+
 		var rows = getSelectedArticleIds2();
 
 		if (rows.length == 0) {
 			alert(__("No articles are selected."));
 			return;
 		}
-	
+
 		var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 		var str;
 		var op;
-	
+
 		if (getActiveFeedId() != 0) {
 			str = __("Delete %d selected articles in %s?");
 		} else {
 			str = __("Delete %d selected articles?");
 		}
-	
+
 		str = str.replace("%d", rows.length);
 		str = str.replace("%s", fn);
-	
+
 		if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 			return;
 		}
@@ -993,11 +941,11 @@ function archiveSelection() {
 			alert(__("No articles are selected."));
 			return;
 		}
-	
+
 		var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 		var str;
 		var op;
-	
+
 		if (getActiveFeedId() != 0) {
 			str = __("Archive %d selected articles in %s?");
 			op = "archive";
@@ -1005,10 +953,10 @@ function archiveSelection() {
 			str = __("Move %d archived articles back?");
 			op = "unarchive";
 		}
-	
+
 		str = str.replace("%d", rows.length);
 		str = str.replace("%s", fn);
-	
+
 		if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 			return;
 		}
@@ -1043,18 +991,18 @@ function catchupSelection() {
 			alert(__("No articles are selected."));
 			return;
 		}
-	
+
 		var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
-		
+
 		var str = __("Mark %d selected articles in %s as read?");
-	
+
 		str = str.replace("%d", rows.length);
 		str = str.replace("%s", fn);
-	
+
 		if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 			return;
 		}
-	
+
 		selectionToggleUnread(false, 'viewCurrentFeed()', true)
 
 	} catch (e) {
@@ -1083,7 +1031,7 @@ function editArticleTags(id) {
 					onComplete: function(transport) {
 						notify('');
 						dialog.hide();
-	
+
 						var data = JSON.parse(transport.responseText);
 
 						if (data) {
@@ -1098,7 +1046,7 @@ function editArticleTags(id) {
 
 							cache_invalidate(id);
 						}
-	
+
 					}});
 				}
 			},
@@ -1141,7 +1089,7 @@ function cache_inject(id, article, param) {
 	      var ts = Math.round(date.getTime() / 1000);
 
 			var cache_obj = {};
-	
+
 			cache_obj["id"] = id;
 			cache_obj["data"] = article;
 			cache_obj["param"] = param;
@@ -1150,7 +1098,7 @@ function cache_inject(id, article, param) {
 
 			cache_added["TS:" + id] = ts;
 
-			if (has_local_storage()) 
+			if (has_local_storage())
 				sessionStorage.setItem(id, JSON.stringify(cache_obj));
 			else
 				article_cache.push(cache_obj);
@@ -1158,7 +1106,7 @@ function cache_inject(id, article, param) {
 		} else {
 			//console.log("cache_article: hit: " + id + " [p=" + param + "]");
 		}
-	} catch (e) {	
+	} catch (e) {
 		exception_error("cache_inject", e);
 	}
 }
@@ -1274,7 +1222,7 @@ function cache_flush() {
 }
 
 function cache_invalidate(id) {
-	try {	
+	try {
 		if (has_local_storage()) {
 
 			var found = false;
@@ -1320,25 +1268,25 @@ function getActiveArticleId() {
 function preloadBatchedArticles() {
 	try {
 
-		var query = "?op=rpc&subop=getArticles&ids=" + 
+		var query = "?op=rpc&subop=getArticles&ids=" +
 			preload_id_batch.toString();
 
 		new Ajax.Request("backend.php", {
 			parameters: query,
-			onComplete: function(transport) { 
+			onComplete: function(transport) {
 
 				preload_id_batch = [];
 
-				var articles = transport.responseXML.getElementsByTagName("article");
+				var articles = JSON.parse(transport.responseText);
 
 				for (var i = 0; i < articles.length; i++) {
-					var id = articles[i].getAttribute("id");
+					var id = articles[i]['id'];
 					if (!cache_check(id)) {
-						cache_inject(id, articles[i].firstChild.nodeValue);				
+						cache_inject(id, articles[i]['content']);
 						console.log("preloaded article: " + id);
 					}
 				}
-		} }); 
+		} });
 
 	} catch (e) {
 		exception_error("preloadBatchedArticles", e);
@@ -1417,7 +1365,7 @@ function headlines_scroll_handler(e) {
 
 			$$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
 				function(child) {
-					if ($("headlines-frame").scrollTop > 
+					if ($("headlines-frame").scrollTop >
 							(child.offsetTop + child.offsetHeight)) {
 
 						ids.push(child.id.replace("RROW-", ""));
@@ -1428,12 +1376,12 @@ function headlines_scroll_handler(e) {
 
 				var query = "?op=rpc&subop=catchupSelected" +
 					"&cmode=0&ids=" + param_escape(ids.toString());
-	
+
 				new Ajax.Request("backend.php", {
 					parameters: query,
-					onComplete: function(transport) { 
+					onComplete: function(transport) {
 						handle_rpc_json(transport);
-	
+
 						ids.each(function(id) {
 							var elem = $("RROW-" + id);
 							if (elem) elem.removeClassName("Unread");
@@ -1499,12 +1447,12 @@ function catchupRelativeToArticle(below) {
 				}
 
 				var query = "?op=rpc&subop=catchupSelected" +
-					"&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString()); 
+					"&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
 
 				new Ajax.Request("backend.php", {
 					parameters: query,
-					onComplete: function(transport) { 
-						handle_rpc_json(transport); 
+					onComplete: function(transport) {
+						handle_rpc_json(transport);
 					} });
 
 			}
@@ -1524,7 +1472,7 @@ function cdmExpandArticle(id) {
 
 		var upd_img_pic = $("FUPDPIC-" + id);
 
-		if (upd_img_pic && (upd_img_pic.src.match("updated.png") || 
+		if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 				upd_img_pic.src.match("fresh_sign.png"))) {
 
 			upd_img_pic.src = "images/blank_icon.gif";
@@ -1554,18 +1502,18 @@ function cdmExpandArticle(id) {
 
 				$("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
 
-				$("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" + 
+				$("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
 					__("Loading, please wait...") + "</div>";
-	
+
 				var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
-	
+
 				//console.log(query);
-	
+
 				new Ajax.Request("backend.php", {
 					parameters: query,
-					onComplete: function(transport) { 
+					onComplete: function(transport) {
 						$("FUPDPIC-" + id).src = 'images/blank_icon.gif';
-	
+
 						handle_rpc_json(transport);
 
 						var reply = JSON.parse(transport.responseText);
@@ -1573,16 +1521,16 @@ function cdmExpandArticle(id) {
 						if (reply) {
 							var article = reply['article']['content'];
 							var recv_id = reply['article']['id'];
-	
+
 							if (recv_id == id)
 								$("CWRAP-" + id).innerHTML = article;
-	
+
 						} else {
 							$("CWRAP-" + id).innerHTML = __("Unable to load article.");
-	
+
 						}
 				}});
-	
+
 			}
 		}
 
@@ -1590,7 +1538,7 @@ function cdmExpandArticle(id) {
 
 		$("headlines-frame").scrollTop += (new_offset-old_offset);
 
-		if ($("RROW-" + id).offsetTop != old_offset) 
+		if ($("RROW-" + id).offsetTop != old_offset)
 			$("headlines-frame").scrollTop = new_offset;
 
 		toggleUnread(id, 0, true);
@@ -1637,13 +1585,13 @@ function zoomToArticle(event, id) {
 
 		if (cached_article) {
 			//closeArticlePanel();
-		
-			var article_pane = new dijit.layout.ContentPane({ 
-				title: __("Loading...") , content: cached_article, 
+
+			var article_pane = new dijit.layout.ContentPane({
+				title: __("Loading...") , content: cached_article,
 				style: 'padding : 0px;',
 				id: 'ATAB-' + id,
 				closable: true });
-	
+
 			dijit.byId("content-tabs").addChild(article_pane);
 
 			if (!event || !event.shiftKey)
@@ -1655,26 +1603,26 @@ function zoomToArticle(event, id) {
 		} else {
 
 			var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
-	
+
 			notify_progress("Loading, please wait...", true);
-	
+
 			new Ajax.Request("backend.php", {
 				parameters: query,
-				onComplete: function(transport) { 
+				onComplete: function(transport) {
 					notify('');
-	
+
 					if (transport.responseXML) {
 						//closeArticlePanel();
-	
+
 						var article = transport.responseXML.getElementsByTagName("article")[0];
 						var content = article.firstChild.nodeValue;
-	
-						var article_pane = new dijit.layout.ContentPane({ 
-							title: "article-" + id , content: content, 
+
+						var article_pane = new dijit.layout.ContentPane({
+							title: "article-" + id , content: content,
 							style: 'padding : 0px;',
 							id: 'ATAB-' + id,
 							closable: true });
-	
+
 						dijit.byId("content-tabs").addChild(article_pane);
 
 						if (!event || !event.shiftKey)
@@ -1683,7 +1631,7 @@ function zoomToArticle(event, id) {
 						if ($("PTITLE-" + id))
 							article_pane.attr('title', $("PTITLE-" + id).innerHTML);
 					}
-	
+
 				} });
 			}
 
@@ -1789,19 +1737,19 @@ function emailArticle(id) {
 
 					new Ajax.Request("backend.php", {
 						parameters: dojo.objectToQuery(this.attr('value')),
-						onComplete: function(transport) { 
+						onComplete: function(transport) {
 
 							var reply = JSON.parse(transport.responseText);
-		
+
 							var error = reply['error'];
-			
+
 							if (error) {
 								alert(__('Error sending email:') + ' ' + error);
 							} else {
 								notify_info('Your message has been sent.');
 								dialog.hide();
 							}
-			
+
 					} });
 				}
 			},
@@ -1817,8 +1765,8 @@ function emailArticle(id) {
 
 		dialog.show();
 
-		/* displayDlg('emailArticle', id, 
-		   function () {				
+		/* displayDlg('emailArticle', id,
+		   function () {
 				document.forms['article_email_form'].destination.focus();
 
 			   new Ajax.Autocompleter('destination', 'destination_choices',
@@ -1857,7 +1805,7 @@ function dismissSelectedArticles() {
 		for (var i = 0; i < ids.length; i++) {
 			var elem = $("RROW-" + ids[i]);
 
-			if (elem.className && elem.hasClassName("Selected") && 
+			if (elem.className && elem.hasClassName("Selected") &&
 					ids[i] != active_post_id) {
 				new Effect.Fade(elem, {duration : 0.5});
 				sel.push(ids[i]);
@@ -1885,9 +1833,9 @@ function dismissReadArticles() {
 		for (var i = 0; i < ids.length; i++) {
 			var elem = $("RROW-" + ids[i]);
 
-			if (elem.className && !elem.hasClassName("Unread") && 
+			if (elem.className && !elem.hasClassName("Unread") &&
 					!elem.hasClassName("Selected")) {
-			
+
 				new Effect.Fade(elem, {duration : 0.5});
 			} else {
 				tmp.push(ids[i]);
@@ -1905,7 +1853,7 @@ function getVisibleArticleIds() {
 	var ids = [];
 
 	try {
-		
+
 		getLoadedArticleIds().each(function(id) {
 			var elem = $("RROW-" + id);
 			if (elem && Element.visible(elem))
@@ -1933,29 +1881,29 @@ function cdmClicked(event, id) {
 
 				selectArticles("none");
 				toggleSelected(id);
-	
+
 				var elem = $("RROW-" + id);
-	
+
 				if (elem)
 					elem.removeClassName("Unread");
-	
+
 				var upd_img_pic = $("FUPDPIC-" + id);
-	
-				if (upd_img_pic && (upd_img_pic.src.match("updated.png") || 
+
+				if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 						upd_img_pic.src.match("fresh_sign.png"))) {
-	
+
 					upd_img_pic.src = "images/blank_icon.gif";
 				}
-	
+
 				active_post_id = id;
-	
+
 				var query = "?op=rpc&subop=catchupSelected" +
 					"&cmode=0&ids=" + param_escape(id);
-	
+
 				new Ajax.Request("backend.php", {
 					parameters: query,
-					onComplete: function(transport) { 
-						handle_rpc_json(transport); 
+					onComplete: function(transport) {
+						handle_rpc_json(transport);
 					} });
 
 				return true;
@@ -2021,7 +1969,7 @@ function hlClicked(event, id) {
 function getFirstVisibleHeadlineId() {
 	var rows = getVisibleArticleIds();
 	return rows[0];
-	
+
 }
 
 function getLastVisibleHeadlineId() {
@@ -2058,9 +2006,9 @@ function getRelativePostIds(id, limit) {
 	try {
 
 		if (!limit) limit = 3;
-	
+
 		var ids = getVisibleArticleIds();
-	
+
 		for (var i = 0; i < ids.length; i++) {
 			if (ids[i] == id) {
 				for (var k = 1; k <= limit; k++) {
@@ -2079,17 +2027,17 @@ function getRelativePostIds(id, limit) {
 }
 
 function correctHeadlinesOffset(id) {
-	
+
 	try {
 
 		var container = $("headlines-frame");
 		var row = $("RROW-" + id);
-	
+
 		var viewport = container.offsetHeight;
-	
+
 		var rel_offset_top = row.offsetTop - container.scrollTop;
 		var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
-	
+
 		//console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 		//console.log("Vport: " + viewport);
 
@@ -2100,8 +2048,8 @@ function correctHeadlinesOffset(id) {
 			/* doesn't properly work with Opera in some cases because
 				Opera fucks up element scrolling */
 
-			container.scrollTop = row.offsetTop + row.offsetHeight - viewport;		
-		} 
+			container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
+		}
 
 	} catch (e) {
 		exception_error("correctHeadlinesOffset", e);
@@ -2209,7 +2157,7 @@ function initHeadlinesMenu() {
 					label: name,
 					labelId: bare_id,
 					onClick: function(event) {
-						selectionAssignLabel(this.labelId, 
+						selectionAssignLabel(this.labelId,
 							[this.getParent().ownerMenu.callerRowId]);
 				}}));
 
@@ -2217,7 +2165,7 @@ function initHeadlinesMenu() {
 					label: name,
 					labelId: bare_id,
 					onClick: function(event) {
-						selectionRemoveLabel(this.labelId, 
+						selectionRemoveLabel(this.labelId,
 							[this.getParent().ownerMenu.callerRowId]);
 				}}));
 
@@ -2255,14 +2203,14 @@ function tweetArticle(id) {
 			"status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
 
 		new Ajax.Request("backend.php",	{
-			parameters: query, 
+			parameters: query,
 			onComplete: function(transport) {
 				var ti = JSON.parse(transport.responseText);
 
 				var share_url = "http://twitter.com/share?_=" + ts +
-					"&text=" + param_escape(ti.title) + 
+					"&text=" + param_escape(ti.title) +
 					"&url=" + param_escape(ti.link);
-						
+
 				w.location.href = share_url;
 
 			} });
@@ -2296,7 +2244,7 @@ function editArticleNote(id) {
 					onComplete: function(transport) {
 						notify('');
 						dialog.hide();
-					
+
 						var reply = JSON.parse(transport.responseText);
 
 						cache_invalidate(id);
-- 
2.39.5