]> git.wh0rd.org - tt-rss.git/blobdiff - backend.php
use prototype in form editor
[tt-rss.git] / backend.php
index 7cc77c64fd66136a65fa2dcc04ebed4e34a26caa..8c4dbcfe35857126bd51fa5cc7e9a1c1099cbc91 100644 (file)
@@ -1,5 +1,6 @@
 <?
        require_once "sessions.php";
+       require_once "backend-rpc.php";
        
        header("Cache-Control: no-cache, must-revalidate");
        header("Pragma: no-cache");
 
        $op = $_REQUEST["op"];
 
+       define('SCHEMA_VERSION', 8);
+
+       require_once "sanity_check.php";
+       require_once "config.php";
+       
+       require_once "db.php";
+       require_once "db-prefs.php";
+       require_once "functions.php";
+       require_once "magpierss/rss_fetch.inc";
+
+       $err_msg = check_configuration_variables();
+
+       if ($err_msg) {
+               header("Content-Type: application/xml");
+               print_error_xml(9, $err_msg); die;
+       }
+
        if ((!$op || $op == "rpc" || $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
                header("Content-Type: application/xml");
        }
@@ -22,7 +40,7 @@
        if (!$_SESSION["uid"] && $op != "globalUpdateFeeds") {
 
                if ($op == "rpc") {
-                       print "<error error-code=\"6\"/>";
+                       print_error_xml(6); die;
                } else {
                        print "
                        <html><body>
        }
 
        if (!$op) {
-               print "<error error-code=\"7\"/>";
-               exit;
+               print_error_xml(7); exit;
        }
 
-       define('SCHEMA_VERSION', 7);
-
-       require_once "sanity_check.php";
-       require_once "config.php";
-       require_once "db.php";
-       require_once "db-prefs.php";
-       require_once "functions.php";
-       require_once "magpierss/rss_fetch.inc";
-
        $purge_intervals = array(
-               0  => "Default",
+               0  => "Use default",
                -1 => "Never purge",
-               5  => "1 week",
-               14 => "2 weeks",
-               31 => "1 month",
-               60 => "2 months",
-               90 => "3 months");
+               5  => "1 week old",
+               14 => "2 weeks old",
+               31 => "1 month old",
+               60 => "2 months old",
+               90 => "3 months old");
 
        $update_intervals = array(
-               0   => "Default",
+               0   => "Use default",
                -1  => "Disable updates",
-               30  => "30 minutes",
-               60  => "1 hour",
-               240 => "4 hours",
-               720 => "12 hours",
+               30  => "Each 30 minutes",
+               60  => "Hourly",
+               240 => "Each 4 hours",
+               720 => "Each 12 hours",
                1440 => "Daily",
                10080 => "Weekly");
 
 
                setcookie('ttrss_vf_refresh', FEEDS_FRAME_REFRESH);
                setcookie('ttrss_vf_daemon', ENABLE_UPDATE_DAEMON);
+
+               if (get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED")) {             
+                       setcookie('ttrss_vf_catchupnext', 1);
+               } else {
+                       setcookie('ttrss_vf_catchupnext', 0);
+               }               
        }
 
        $fetch = $_GET["fetch"];
 
        if (!sanity_check($link)) { return; }
 
-       function getAllCounters($link) {
-               getLabelCounters($link);
-               getFeedCounters($link);
-               getTagCounters($link);
-               getGlobalCounters($link);
-               if (get_pref($link, 'ENABLE_FEED_CATS')) {
-                       getCategoryCounters($link);
-               }
-       }       
-
-       function getCategoryCounters($link) {
-               $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id) 
-                               FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id 
-                                       AND unread = true)) AS unread FROM ttrss_feeds 
-                       WHERE 
-                               owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
-
-               while ($line = db_fetch_assoc($result)) {
-                       $line["cat_id"] = sprintf("%d", $line["cat_id"]);
-                       print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
-                               $line["unread"]."\"/>";
-               }
-       }
-
-       function getFeedUnread($link, $feed) {
-               $n_feed = sprintf("%d", $feed);
-       
-               if ($n_feed == -1) {
-                       $match_part = "marked = true";
-               } else if ($feed > 0) {
-                       $match_part = "feed_id = '$n_feed'";
-               } else if ($feed < -10) {
-                       $label_id = -$feed - 11;
-
-                       $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
-                               id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
-
-                       $match_part = db_fetch_result($result, 0, "sql_exp");
-               }
-
-               if ($match_part) {
-               
-                       $result = db_query($link, "SELECT count(int_id) AS unread 
-                               FROM ttrss_user_entries 
-                               WHERE   unread = true AND $match_part AND owner_uid = " . $_SESSION["uid"]);
-                               
-               } else {
-               
-                       $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
-                               FROM ttrss_tags,ttrss_user_entries 
-                               WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
-                                       ttrss_tags.owner_uid = " . $_SESSION["uid"]);
-               }
-               
-               $unread = db_fetch_result($result, 0, "unread");
-               return $unread;
-       }
-
-       /* FIXME this needs reworking */
-
-       function getGlobalUnread($link) {
-               $result = db_query($link, "SELECT count(id) as c_id FROM ttrss_entries,ttrss_user_entries
-                       WHERE unread = true AND 
-                       ttrss_user_entries.ref_id = ttrss_entries.id AND 
-                       owner_uid = " . $_SESSION["uid"]);
-               $c_id = db_fetch_result($result, 0, "c_id");
-               return $c_id;
-       }
-
-       function getGlobalCounters($link, $global_unread = -1) {
-               if ($global_unread == -1) {     
-                       $global_unread = getGlobalUnread($link);
-               }
-               print "<counter type=\"global\" id='global-unread' counter='$global_unread'/>";
-       }
-
-       function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
-
-               if ($smart_mode) {
-                       if (!$_SESSION["tctr_last_value"]) {
-                               $_SESSION["tctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["tctr_last_value"];
-
-               $tctrs_modified = false;
-
-/*             $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
-                       FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
-                       ttrss_user_entries.ref_id = ttrss_entries.id AND 
-                       ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
-                       post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name 
-               UNION
-                       select tag_name,0 as count FROM ttrss_tags
-                       WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
-
-               $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
-                       FROM ttrss_user_entries WHERE int_id = post_int_id 
-                               AND unread = true)) AS count FROM ttrss_tags 
-                       WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
-                       
-               $tags = array();
-
-               while ($line = db_fetch_assoc($result)) {
-                       $tags[$line["tag_name"]] += $line["count"];
-               }
-
-               foreach (array_keys($tags) as $tag) {
-                       $unread = $tags[$tag];                  
-
-                       $tag = htmlspecialchars($tag);
-
-                       if (!$smart_mode || $old_counters[$tag] != $unread) {                   
-                               $old_counters[$tag] = $unread;
-                               $tctrs_modified = true;
-                               print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
-                       }
-
-               } 
-
-               if ($smart_mode && $tctrs_modified) {
-                       $_SESSION["tctr_last_value"] = $old_counters;
-               }
-
-       }
-
-       function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
-
-               if ($smart_mode) {
-                       if (!$_SESSION["lctr_last_value"]) {
-                               $_SESSION["lctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["lctr_last_value"];
-               $lctrs_modified = false;
-
-               $result = db_query($link, "SELECT count(id) as count FROM ttrss_entries,ttrss_user_entries
-                       WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND 
-                       unread = true AND owner_uid = ".$_SESSION["uid"]);
-
-               $count = db_fetch_result($result, 0, "count");
-
-               print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
-
-               $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
-                       ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
-       
-               while ($line = db_fetch_assoc($result)) {
-
-                       $id = -$line["id"] - 11;
-
-                       error_reporting (0);
-
-                       $tmp_result = db_query($link, "SELECT count(id) as count FROM ttrss_user_entries,ttrss_entries
-                               WHERE (" . $line["sql_exp"] . ") AND unread = true AND 
-                               ttrss_user_entries.ref_id = ttrss_entries.id AND 
-                               owner_uid = ".$_SESSION["uid"]);
-
-                       $count = db_fetch_result($tmp_result, 0, "count");
-
-                       if (!$smart_mode || $old_counters[$id] != $count) {     
-                               $old_counters[$id] = $count;
-                               $lctrs_modified = true;
-                               print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
-                       }
-
-                       error_reporting (DEFAULT_ERROR_LEVEL);
-               }
-
-               if ($smart_mode && $lctrs_modified) {
-                       $_SESSION["lctr_last_value"] = $old_counters;
-               }
-       }
-
-/*     function getFeedCounter($link, $id) {
-       
-               $result = db_query($link, "SELECT 
-                               count(id) as count,last_error
-                       FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
-                       WHERE feed_id = '$id' AND unread = true
-                       AND ttrss_user_entries.feed_id = ttrss_feeds.id
-                       AND ttrss_user_entries.ref_id = ttrss_entries.id");
-       
-                       $count = db_fetch_result($result, 0, "count");
-                       $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
-                       
-                       print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";           
-       } */
-
-       function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
-
-               if ($smart_mode) {
-                       if (!$_SESSION["fctr_last_value"]) {
-                               $_SESSION["fctr_last_value"] = array();
-                       }
-               }
-
-               $old_counters = $_SESSION["fctr_last_value"];
-
-               $result = db_query($link, "SELECT id,last_error,parent_feed,
-                       (SELECT count(id) 
-                               FROM ttrss_entries,ttrss_user_entries 
-                               WHERE feed_id = ttrss_feeds.id AND 
-                                       ttrss_user_entries.ref_id = ttrss_entries.id
-                               AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
-                       FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
-                               AND parent_feed IS NULL");
-
-               $fctrs_modified = false;
-
-               while ($line = db_fetch_assoc($result)) {
-               
-                       $id = $line["id"];
-                       $count = $line["count"];
-                       $last_error = htmlspecialchars($line["last_error"]);
-       
-                       $has_img = is_file(ICONS_DIR . "/$id.ico");
-
-                       $tmp_result = db_query($link,
-                               "SELECT id,COUNT(unread) AS unread
-                               FROM ttrss_feeds LEFT JOIN ttrss_user_entries 
-                                       ON (ttrss_feeds.id = ttrss_user_entries.feed_id) 
-                               WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
-                       
-                       if (db_num_rows($tmp_result) > 0) {                             
-                               while ($l = db_fetch_assoc($tmp_result)) {
-                                       $count += $l["unread"];
-                               }
-                       }
-
-                       if (!$smart_mode || $old_counters[$id] != $count) {
-                               $old_counters[$id] = $count;
-                               $fctrs_modified = true;
-
-                               if ($last_error) {
-                                       $error_part = "error=\"$last_error\"";
-                               } else {
-                                       $error_part = "";
-                               }
-
-                               if ($has_img) {
-                                       $has_img_part = "hi=\"$has_img\"";
-                               } else {
-                                       $has_img_part = "";
-                               }                               
-
-                               print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part/>";
-                       }
-               }
-
-               if ($smart_mode && $fctrs_modified) {
-                       $_SESSION["fctr_last_value"] = $old_counters;
-               }
-       }
-
        function outputFeedList($link, $tags = false) {
 
                print "<html><head>
                                        type=\"text/css\" href=\"tt-rss_compact.css\"/>";
                }
 
-               print "<script type=\"text/javascript\" src=\"functions.js\"></script>
-                       <script type=\"text/javascript\" src=\"feedlist.js\"></script>
+               $script_dt_add = get_script_dt_add();
+
+               print "<script type=\"text/javascript\" src=\"functions.js?$script_dt_add\"></script>
+                       <script type=\"text/javascript\" src=\"feedlist.js?$script_dt_add\"></script>
                        <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
                        <!--[if gte IE 5.5000]>
                        <script type=\"text/javascript\" src=\"pngfix.js\"></script>
                        }
 
                        $result = db_query($link, "SELECT ttrss_feeds.*,
+                               SUBSTRING(last_updated,1,19) AS last_updated_noms,
                                (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
                                        WHERE feed_id = ttrss_feeds.id AND 
                                        ttrss_user_entries.ref_id = ttrss_entries.id AND
                        $total_unread = 0;
 
                        $category = "";
+
+                       $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
        
                        while ($line = db_fetch_assoc($result)) {
                        
                                $total = $line["total"];
                                $unread = $line["unread"];
 
+                               if (get_pref($link, 'HEADLINES_SMART_DATE')) {
+                                       $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
+                               } else {
+                                       $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
+                               }
+
                                $rtl_content = sql_bool_to_bool($line["rtl_content"]);
 
                                if ($rtl_content) {
                                                <a href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
                                                        <a href=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
                                                        <span id=\"FCATCTR-$cat_id\" 
-                                                       class=\"$catctr_class\">($cat_unread unread)$ellipsis</span></a></li>";
+                                                       class=\"$catctr_class\">($cat_unread unread)$ellipsis</span>
+                                                       </a></li>";
 
                                        // !!! NO SPACE before <ul...feedCatList - breaks firstChild DOM function
                                        // -> keyboard navigation, etc.
                                }
        
                                printFeedEntry($feed_id, $class, $feed, $unread, 
-                                       "icons/$feed_id.ico", $link, $rtl_content);
+                                       "icons/$feed_id.ico", $link, $rtl_content, 
+                                       $last_updated, $line["last_error"]);
        
                                ++$lnum;
                        }
 
 
        if ($op == "rpc") {
-
-               $subop = $_GET["subop"];
-
-               if ($subop == "setpref") {
-                       if (WEB_DEMO_MODE) {
-                               return;
-                       }
-
-                       print "<rpc-reply>";
-
-                       $key = db_escape_string($_GET["key"]);
-                       $value = db_escape_string($_GET["value"]);
-
-                       set_pref($link, $key, $value);
-
-                       print "<param-set key=\"$key\" value=\"$value\"/>";
-
-                       print "</rpc-reply>";
-
-               }
-
-               if ($subop == "getLabelCounters") {
-                       $aid = $_GET["aid"];            
-                       print "<rpc-reply>";
-                       getLabelCounters($link);
-                       if ($aid) {
-                               getFeedCounter($link, $aid);
-                       }
-                       print "</rpc-reply>";
-               }
-
-               if ($subop == "getFeedCounters") {
-                       print "<rpc-reply>";
-                       getFeedCounters($link);
-                       print "</rpc-reply>";
-               }
-
-               if ($subop == "getAllCounters") {
-                       print "<rpc-reply>";
-                       getAllCounters($link);
-                       print "</rpc-reply>";
-               }
-
-               if ($subop == "mark") {
-                       $mark = $_GET["mark"];
-                       $id = db_escape_string($_GET["id"]);
-
-                       if ($mark == "1") {
-                               $mark = "true";
-                       } else {
-                               $mark = "false";
-                       }
-
-                       // FIXME this needs collision testing
-
-                       $result = db_query($link, "UPDATE ttrss_user_entries SET marked = $mark
-                               WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-               }
-
-               if ($subop == "updateFeed") {
-                       $feed_id = db_escape_string($_GET["feed"]);
-
-                       $result = db_query($link, 
-                               "SELECT feed_url FROM ttrss_feeds WHERE id = '$feed_id'
-                                       AND owner_uid = " . $_SESSION["uid"]);
-
-                       if (db_num_rows($result) > 0) {                 
-                               $feed_url = db_fetch_result($result, 0, "feed_url");
-                               update_rss_feed($link, $feed_url, $feed_id);
-                       }
-
-                       print "<rpc-reply>";
-                       getFeedCounter($link, $feed_id);
-                       print "</rpc-reply>";
-                       
-                       return;
-               }
-
-               if ($subop == "forceUpdateAllFeeds" || $subop == "updateAllFeeds") {
-       
-                       if (ENABLE_UPDATE_DAEMON) {
-
-                               if ($subop == "forceUpdateAllFeeds") {                          
-
-                                       $result = db_query($link, "SELECT count(id) AS cid FROM
-                                               ttrss_scheduled_updates WHERE feed_id IS NULL AND
-                                                       owner_uid = " . $_SESSION["uid"]);
-       
-                                       $cid = db_fetch_result($result, 0, "cid");
-       
-#                                      print "<rpc-reply>";
-       
-                                       if ($cid == 0) {
-       
-                                               db_query($link, "INSERT INTO ttrss_scheduled_updates
-                                                       (owner_uid, feed_id, entered) VALUES
-                                                       (".$_SESSION["uid"].", NULL, NOW())");
-                                                       
-//                                             print "<!-- ScheduledOK -->";
-                                               
-                                       } else {
-//                                             print "<!-- RequestAlreadyInQueue -->";
-                                       }
-       
-#                                      print "</rpc-reply>";
-                               }
-                               
-                       } else {        
-                               update_all_feeds($link, $subop == "forceUpdateAllFeeds");
-                       }
-
-                       $global_unread_caller = sprintf("%d", $_GET["uctr"]);
-                       $global_unread = getGlobalUnread($link);
-
-                       print "<rpc-reply>";
-
-                       if ($global_unread_caller != $global_unread) {
-
-                               $omode = $_GET["omode"];
-        
-                               if (!$omode) $omode = "tflc";
-        
-                               if (strchr($omode, "l")) getLabelCounters($link);
-                               if (strchr($omode, "f")) getFeedCounters($link);
-                               if (strchr($omode, "t")) getTagCounters($link);
-                               if (strchr($omode, "c")) {                      
-                                       if (get_pref($link, 'ENABLE_FEED_CATS')) {
-                                               getCategoryCounters($link);
-                                       }
-                               }
-                       }
-
-                       getGlobalCounters($link, $global_unread);
-
-                       print "</rpc-reply>";
-
-               }
-       
-               /* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
-               if ($subop == "catchupSelected") {
-
-                       $ids = split(",", db_escape_string($_GET["ids"]));
-
-                       $cmode = sprintf("%d", $_GET["cmode"]);
-
-                       foreach ($ids as $id) {
-
-                               if ($cmode == 0) {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       unread = false,last_read = NOW()
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               } else if ($cmode == 1) {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       unread = true
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               } else {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       unread = NOT unread,last_read = NOW()
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               }
-                       }
-                       print "<rpc-reply>";
-                       getAllCounters($link);
-                       print "</rpc-reply>";
-               }
-
-               if ($subop == "markSelected") {
-
-                       $ids = split(",", db_escape_string($_GET["ids"]));
-
-                       $cmode = sprintf("%d", $_GET["cmode"]);
-
-                       foreach ($ids as $id) {
-
-                               if ($cmode == 0) {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       marked = false
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               } else if ($cmode == 1) {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       marked = true
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               } else {
-                                       db_query($link, "UPDATE ttrss_user_entries SET 
-                                       marked = NOT marked
-                                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-                               }
-                       }
-                       print "<rpc-reply>";
-                       getAllCounters($link);
-                       print "</rpc-reply>";
-               }
-
-               if ($subop == "sanityCheck") {
-                       if (sanity_check($link)) {
-                               print "<error error-code=\"0\"/>";
-                       }
-               }
-
-               if ($subop == "globalPurge") {
-
-                       print "<rpc-reply>";
-                       global_purge_old_posts($link, true);
-                       print "</rpc-reply>";
-
-               }
-
+               handle_rpc_request($link);
        }
        
        if ($op == "feeds") {
 
                if ($rtl_content) {
                        $rtl_tag = "dir=\"RTL\"";
+                       $rtl_class = "RTL";
                } else {
                        $rtl_tag = "";
+                       $rtl_class = "";
                }
 
                $result = db_query($link, "UPDATE ttrss_user_entries 
                        num_comments,
                        author
                        FROM ttrss_entries,ttrss_user_entries
-                       WHERE   id = '$id' AND ref_id = id");
+                       WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
 
                print "<html><head>
                        <title>Tiny Tiny RSS : Article $id</title>
                                        type=\"text/css\" href=\"tt-rss_compact.css\"/>";
                }
 
-               print "<script type=\"text/javascript\" src=\"functions.js\"></script>
+               $script_dt_add = get_script_dt_add();
+
+               print "<script type=\"text/javascript\" src=\"functions.js?$script_dt_add\"></script>
                        <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
                        </head><body $rtl_tag>";
 
                        $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'), 
                                strtotime($line["updated"]));
                
-                       print "<td class=\"postDate\">$parsed_updated</td>";
+                       print "<td class=\"postDate$rtl_class\">$parsed_updated</td>";
                                                
                        print "</tr>";
 
 
        if ($op == "viewfeed") {
 
-               $feed = $_GET["feed"];
-               $skip = $_GET["skip"];
-               $subop = $_GET["subop"];
-               $view_mode = $_GET["view"];
-               $limit = $_GET["limit"];
-               $cat_view = $_GET["cat"];
+               $feed = db_escape_string($_GET["feed"]);
+               $skip = db_escape_string($_GET["skip"]);
+               $subop = db_escape_string($_GET["subop"]);
+               $view_mode = db_escape_string($_GET["view"]);
+               $limit = db_escape_string($_GET["limit"]);
+               $cat_view = db_escape_string($_GET["cat"]);
+               $next_unread_feed = db_escape_string($_GET["nuf"]);
 
                if (!$skip) $skip = 0;
 
                                        type=\"text/css\" href=\"tt-rss_compact.css\"/>";
                }
 
-               $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
-                       WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+               if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
+                       update_generic_feed($link, $feed, $cat_view);
+               }
 
-               if (db_num_rows($result) == 1) {
-                       $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
-               } else {
-                       $rtl_content = false;
+               if ($subop == "MarkAllRead")  {
+                       catchup_feed($link, $feed, $cat_view);
+
+                       if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
+                               if ($next_unread_feed) {
+                                       $feed = $next_unread_feed;
+                               }
+                       }
                }
 
-               if ($rtl_content) {
-                       $rtl_tag = "dir=\"RTL\"";
+               if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
+       
+                       $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
+                               WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+
+                       if (db_num_rows($result) == 1) {
+                               $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
+                       } else {
+                               $rtl_content = false;
+                       }
+       
+                       if ($rtl_content) {
+                               $rtl_tag = "dir=\"RTL\"";
+                       } else {
+                               $rtl_tag = "";
+                       }
                } else {
                        $rtl_tag = "";
+                       $rtl_content = false;
                }
 
+               $script_dt_add = get_script_dt_add();
+
                print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">  
-                       <script type=\"text/javascript\" src=\"functions.js\"></script>
-                       <script type=\"text/javascript\" src=\"viewfeed.js\"></script>
+                       <script type=\"text/javascript\" src=\"functions.js?$script_dt_add\"></script>
+                       <script type=\"text/javascript\" src=\"viewfeed.js?$script_dt_add\"></script>
                        <!--[if gte IE 5.5000]>
                        <script type=\"text/javascript\" src=\"pngfix.js\"></script>
                        <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss-ie.css\">
                        window.onload = init;
                        </script>";
 
-               if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
-
-/*                     if (ENABLE_UPDATE_DAEMON) {
-
-                               if ($cid == 0) {
-
-                                       db_query($link, "INSERT INTO ttrss_scheduled_updates
-                                               (owner_uid, feed_id, entered) VALUES
-                                               (".$_SESSION["uid"].", '$feed', NOW())");
-                               }
-
-                       } else { 
-                               // fixme update_rss_feed...
-                       } */
-
-                       if ($cat_view) {
-
-                               if ($feed > 0) {
-                                       $cat_qpart = "cat_id = '$feed'";
-                               } else {
-                                       $cat_qpart = "cat_id IS NULL";
-                               }
-                               
-                               $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
-                                       WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
-
-                               while ($tmp_line = db_fetch_assoc($tmp_result)) {                                       
-                                       $feed_url = $tmp_line["feed_url"];
-                                       update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
-                               }
-
-                       } else {
-                               $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
-                                       WHERE id = '$feed'");
-                               $feed_url = db_fetch_result($tmp_result, 0, "feed_url");                                
-                               update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
-                       }
-               }
-
-               if ($subop == "MarkAllRead")  {
-
-                       if (preg_match("/^[0-9][0-9]*$/", $feed) != false && $feed >= 0) {
-                       
-                               if ($cat_view) {
-
-                                       if ($feed > 0) {
-                                               $cat_qpart = "cat_id = '$feed'";
-                                       } else {
-                                               $cat_qpart = "cat_id IS NULL";
-                                       }
-                                       
-                                       $tmp_result = db_query($link, "SELECT id 
-                                               FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " . 
-                                               $_SESSION["uid"]);
-
-                                       while ($tmp_line = db_fetch_assoc($tmp_result)) {
-
-                                               $tmp_feed = $tmp_line["id"];
-
-                                               db_query($link, "UPDATE ttrss_user_entries 
-                                                       SET unread = false,last_read = NOW() 
-                                                       WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
-                                       }
-
-                               } else if ($feed > 0) {
-
-                                       $tmp_result = db_query($link, "SELECT id 
-                                               FROM ttrss_feeds WHERE parent_feed = '$feed'
-                                               ORDER BY cat_id,title");
-
-                                       $parent_ids = array();
-
-                                       if (db_num_rows($tmp_result) > 0) {
-                                               while ($p = db_fetch_assoc($tmp_result)) {
-                                                       array_push($parent_ids, "feed_id = " . $p["id"]);
-                                               }
-
-                                               $children_qpart = implode(" OR ", $parent_ids);
-                                               
-                                               db_query($link, "UPDATE ttrss_user_entries 
-                                                       SET unread = false,last_read = NOW() 
-                                                       WHERE (feed_id = '$feed' OR $children_qpart) 
-                                                       AND owner_uid = " . $_SESSION["uid"]);
-
-                                       } else {                                                
-                                               db_query($link, "UPDATE ttrss_user_entries 
-                                                       SET unread = false,last_read = NOW() 
-                                                       WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
-                                       }
-                                               
-                               } else if ($feed < 0 && $feed > -10) { // special, like starred
-
-                                       if ($feed == -1) {
-                                               db_query($link, "UPDATE ttrss_user_entries 
-                                                       SET unread = false,last_read = NOW()
-                                                       WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
-                                       }
-                       
-                               } else if ($feed < -10) { // label
-
-                                       // TODO make this more efficient
-
-                                       $label_id = -$feed - 11;
-
-                                       $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
-                                               WHERE id = '$label_id'");                                       
-
-                                       if ($tmp_result) {
-                                               $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
-
-                                               db_query($link, "BEGIN");
-
-                                               $tmp2_result = db_query($link,
-                                                       "SELECT 
-                                                               int_id 
-                                                       FROM 
-                                                               ttrss_user_entries,ttrss_entries 
-                                                       WHERE
-                                                               ref_id = id AND 
-                                                               $sql_exp AND
-                                                               owner_uid = " . $_SESSION["uid"]);
-
-                                               while ($tmp_line = db_fetch_assoc($tmp2_result)) {
-                                                       db_query($link, "UPDATE 
-                                                               ttrss_user_entries 
-                                                       SET 
-                                                               unread = false, last_read = NOW()
-                                                       WHERE
-                                                               int_id = " . $tmp_line["int_id"]);
-                                               }
-                                                               
-                                               db_query($link, "COMMIT");
-
-/*                                             db_query($link, "UPDATE ttrss_user_entries,ttrss_entries 
-                                                       SET unread = false,last_read = NOW()
-                                                       WHERE $sql_exp
-                                                       AND ref_id = id
-                                                       AND owner_uid = ".$_SESSION["uid"]); */
-                                       }
-                               }
-                       } else { // tag
-                               db_query($link, "BEGIN");
-
-                               $tag_name = db_escape_string($feed);
-
-                               $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
-                                       WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
-
-                               while ($line = db_fetch_assoc($result)) {
-                                       db_query($link, "UPDATE ttrss_user_entries SET
-                                               unread = false, last_read = NOW() 
-                                               WHERE int_id = " . $line["post_int_id"]);
-                               }
-                               db_query($link, "COMMIT");
-                       }
-
-               }
-
                $search = db_escape_string($_GET["search"]);
                $search_mode = db_escape_string($_GET["smode"]);
 
                        $feed_title = "?";
                }
 
+               $feed_title = db_unescape_string($feed_title);
+
                if ($feed < -10) error_reporting (0);
 
                print "<div id=\"headlinesContainer\">";
 
                                        print "<div class=\"cdmHeader\">";
 
-                                       print "<div style=\"float : right\">$updated_fmt</div>";
+                                       print "<div style=\"float : right\">$updated_fmt,
+                                               <a class=\"cdmToggleLink\"
+                                                       href=\"javascript:toggleUnread($id)\">Toggle unread</a>
+                                       </div>";
                                        
-                                       print "<a target=\"new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
+                                       print "<a class=\"title\" 
+                                               onclick=\"javascript:toggleUnread($id, 0)\"
+                                               target=\"new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
 
                                        if ($line["feed_title"]) {      
                                                print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
                                        print "</div>";
 
                                        print "<div class=\"cdmContent\">" . $line["content_preview"] . "</div>";
-       
+
                                        print "<div style=\"float : right\">$marked_pic</div>
-                                               <div class=\"cdmFooter\">
+                                               <div lass=\"cdmFooter\">
                                                        <input type=\"checkbox\" onclick=\"toggleSelectRowById(this, 
                                                        'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\"></div>";
 
+#                                      print "<div align=\"center\"><a class=\"cdmToggleLink\"
+#                                                      href=\"javascript:toggleUnread($id)\">
+#                                                      Toggle unread</a></div>";
+
                                        print "</div>"; 
 
                                }                               
                                print "Feed browser is administratively disabled.";
                                return;
                        }
+
+                       print "<div id=\"infoBoxTitle\">Other feeds: Top 25</div>";
                        
                        print "<div class=\"infoBoxContents\">";
 
-                       print "<h1>Feed browser</h1>";
-
-                       print "<p>Showing top 50 registered feeds, sorted by popularity:</p>";
+                       print "<p>Showing top 25 registered feeds, sorted by popularity:</p>";
 
                        $result = db_query($link, "SELECT feed_url,count(id) AS subscribers 
                                FROM ttrss_feeds 
                                WHERE auth_login = '' AND auth_pass = '' AND private = false
-                               GROUP BY feed_url ORDER BY subscribers DESC LIMIT 50");
+                               GROUP BY feed_url ORDER BY subscribers DESC LIMIT 25");
                        
                        print "<ul class='browseFeedList' id='browseFeedList'>";
 
                        $title = htmlspecialchars(db_unescape_string(db_fetch_result($result,
                                0, "title")));
 
-                       print "<div class=\"infoBoxContents\">";
-
                        $icon_file = ICONS_DIR . "/$feed_id.ico";
        
                        if (file_exists($icon_file) && filesize($icon_file) > 0) {
                        } else {
                                $feed_icon = "";
                        }
-       
-                       print "<h1>$feed_icon $title</h1>";
 
-                       print "<table width='100%'>";
+                       print "<div id=\"infoBoxTitle\">Feed editor</div>";
+
+                       print "<div class=\"infoBoxContents\">";
+
+                       print "<form id=\"edit_feed_form\">";   
 
-                       $row_class = "odd";
+                       print "<input type=\"hidden\" name=\"id\" value=\"$feed_id\">";
+                       print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
+                       print "<input type=\"hidden\" name=\"subop\" value=\"editSave\">";
 
-                       print "<tr class='$row_class'><td>Title:</td>";
-                       print "<td><input id=\"iedit_title\" value=\"$title\"></td></tr>";
+                       print "<table width='100%'>";
+
+                       print "<tr><td>Title:</td>";
+                       print "<td><input class=\"iedit\" name=\"title\" value=\"$title\"></td></tr>";
 
                        $feed_url = db_fetch_result($result, 0, "feed_url");
                        $feed_url = htmlspecialchars(db_unescape_string(db_fetch_result($result,
                                0, "feed_url")));
-                       $row_class = toggleEvenOdd($row_class);
-
-                       print "<tr class='$row_class'><td>Feed URL:</td>";
-                       print "<td><input id=\"iedit_link\" value=\"$feed_url\"></td></tr>";
+                               
+                       print "<tr><td>Feed URL:</td>";
+                       print "<td><input class=\"iedit\" name=\"feed_url\" value=\"$feed_url\"></td></tr>";
 
                        if (get_pref($link, 'ENABLE_FEED_CATS')) {
 
                                $cat_id = db_fetch_result($result, 0, "cat_id");
 
-                               $row_class = toggleEvenOdd($row_class);
-
-                               print "<tr class='$row_class'><td>Category:</td>";
+                               print "<tr><td>Category:</td>";
                                print "<td>";
-                               print "<select id=\"iedit_fcat\">";
-                               print "<option id=\"0\">Uncategorized</option>";
-
-                               $tmp_result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
-                                       WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
 
-                               if (db_num_rows($tmp_result) > 0) {
-                                       print "<option disabled>--------</option>";
-                               }
-
-                               while ($tmp_line = db_fetch_assoc($tmp_result)) {
-                                       if ($tmp_line["id"] == $cat_id) {
-                                               $is_selected = "selected";
-                                       } else {
-                                               $is_selected = "";
-                                       }
-                                       printf("<option $is_selected id='%d'>%s</option>", 
-                                               $tmp_line["id"], $tmp_line["title"]);
-                               }
+                               print_feed_cat_select($link, "cat_id", $cat_id);
 
-                               print "</select></td>";
+                               print "</td>";
                                print "</td></tr>";
        
                        }
 
                        $update_interval = db_fetch_result($result, 0, "update_interval");
-                       $row_class = toggleEvenOdd($row_class);
 
-                       print "<tr class='$row_class'><td>Update Interval:</td>";
-//                     print "<td><input id=\"iedit_updintl\" 
-//                             value=\"$update_interval\"></td></tr>";
+                       print "<tr><td>Update Interval:</td>";
 
                        print "<td>";
 
-                       print "<select id=\"iedit_updintl\">";
+                       print "<select name=\"update_interval\">";
                        
                        foreach (array_keys($update_intervals) as $i) {
                        
                                } else {
                                        $selected = "";
                                }                                       
-                               print "<option $selected id=\"$i\">" . $update_intervals[$i] . "</option>";
+                               print "<option $selected value=\"$i\">" . $update_intervals[$i] . "</option>";
                        }
                                
                        print "</select>";
 
                        print "</td>";
 
-                       $row_class = toggleEvenOdd($row_class);
-                       print "<tr class='$row_class'><td>Link to:</td>";
+                       print "<tr><td>Link to:</td><td>";
 
                        $tmp_result = db_query($link, "SELECT COUNT(id) AS count
                                FROM ttrss_feeds WHERE parent_feed = '$feed_id'");
                                $disabled = "disabled";
                        }
 
-                       print "<select $disabled  id=\"iedit_parent_feed\">";
+                       print "<select $disabled name=\"parent_feed\">";
                        
-                       print "<option id=\"0\">Not linked</option>";
+                       print "<option value=\"0\">Not linked</option>";
 
                        if (get_pref($link, 'ENABLE_FEED_CATS')) {
                                if ($cat_id) {
                                        } else {
                                                $is_selected = "";
                                        }
-                                       printf("<option $is_selected id='%d'>%s</option>", 
+                                       printf("<option $is_selected value='%d'>%s</option>", 
                                                $tmp_line["id"], $tmp_line["title"]);
                                }
 
-                               print "</select></td>";
-                               print "</td></tr>";
+                       print "</select>";
+                       print "</td></tr>";
 
                        $purge_interval = db_fetch_result($result, 0, "purge_interval");
-                       $row_class = toggleEvenOdd($row_class);
 
-                       print "<tr class='$row_class'><td>Purge Days:</td>";
-//                     print "<td><input id=\"iedit_purgintl\" 
-//                             value=\"$purge_interval\"></td></tr>";
+                       print "<tr><td>Article purging:</td>";
 
                        print "<td>";
 
-                       print "<select id=\"iedit_purgintl\">";
+                       print "<select name=\"purge_interval\">";
                        
                        foreach (array_keys($purge_intervals) as $i) {
                        
                                } else {
                                        $selected = "";
                                }                                       
-                               print "<option $selected id=\"$i\">" . $purge_intervals[$i] . "</option>";
+                               print "<option $selected value=\"$i\">" . $purge_intervals[$i] . "</option>";
                        }
                                
                        print "</select>";
 
                        print "</td>";
 
-//                     print "<tr><td colspan=\"2\"><b>Authentication</b></td></tr>";
-
-                       $row_class = toggleEvenOdd($row_class);
                        $auth_login = db_fetch_result($result, 0, "auth_login");
 
-                       print "<tr class='$row_class'><td>Login:</td>";
-                       print "<td><input id=\"iedit_login\" 
-                               value=\"$auth_login\"></td></tr>";
+                       print "<tr><td>Login:</td>";
+                       print "<td><input class=\"iedit\" name=\"auth_login\" value=\"$auth_login\"></td></tr>";
 
-                       $row_class = toggleEvenOdd($row_class);
                        $auth_pass = db_fetch_result($result, 0, "auth_pass");
 
-                       print "<tr class='$row_class'><td>Password:</td>";
-                       print "<td><input type=\"password\" id=\"iedit_pass\" 
+                       print "<tr><td>Password:</td>";
+                       print "<td><input class=\"iedit\" type=\"password\" name=\"auth_pass\" 
                                value=\"$auth_pass\"></td></tr>";
 
-                       $row_class = toggleEvenOdd($row_class);
                        $private = sql_bool_to_bool(db_fetch_result($result, 0, "private"));
 
                        if ($private) {
                                $checked = "";
                        }
 
-                       print "<tr class='$row_class'><td valign='top'>Options:</td>";
-                       print "<td><input type=\"checkbox\" id=\"iedit_private\" 
-                               $checked><label for=\"iedit_private\">Hide from feed browser</label>";
+                       print "<tr><td valign='top'>Options:</td>";
+                       print "<td><input type=\"checkbox\" name=\"private\" id=\"private\" 
+                               $checked><label for=\"private\">Hide from feed browser</label>";
 
                        $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
 
                                $checked = "";
                        }
 
-                       print "<br><input type=\"checkbox\" id=\"iedit_rtl\" 
-                               $checked><label for=\"iedit_rtl\">Right-to-left content</label>";
+                       print "<br><input type=\"checkbox\" id=\"rtl_content\" name=\"rtl_content\"
+                               $checked><label for=\"rtl_content\">Right-to-left content</label>";
                        
                        print "</td></tr>";
 
                        print "</table>";
+
+                       print "</form>";
+
                        print "</div>";
 
                        print "<div align='center'>
                }
 
                if ($subop == "editSave") {
-                       $feed_title = db_escape_string($_POST["t"]);
-                       $feed_link = db_escape_string($_POST["l"]);
-                       $upd_intl = db_escape_string($_POST["ui"]);
-                       $purge_intl = db_escape_string($_POST["pi"]);
-                       $feed_id = db_escape_string($_POST["id"]);
-                       $cat_id = db_escape_string($_POST["catid"]);
-                       $auth_login = db_escape_string($_POST["login"]);
-                       $auth_pass = db_escape_string($_POST["pass"]);
-                       $parent_feed = db_escape_string($_POST["pfeed"]);
-                       $private = db_escape_string($_POST["is_pvt"]);
-                       $rtl_content = db_escape_string($_POST["is_rtl"]);
-
-                       if (strtoupper($upd_intl) == "DEFAULT")
-                               $upd_intl = 0;
-
-                       if (strtoupper($upd_intl) == "DISABLED")
-                               $upd_intl = -1;
-
-                       if (strtoupper($purge_intl) == "DEFAULT")
-                               $purge_intl = 0;
 
-                       if (strtoupper($purge_intl) == "DISABLED")
-                               $purge_intl = -1;
-
-                       if ($cat_id != 0) {
+                       $feed_title = db_escape_string(trim($_POST["title"]));
+                       $feed_link = db_escape_string(trim($_POST["feed_url"]));
+                       $upd_intl = db_escape_string($_POST["update_interval"]);
+                       $purge_intl = db_escape_string($_POST["purge_interval"]);
+                       $feed_id = db_escape_string($_POST["id"]);
+                       $cat_id = db_escape_string($_POST["cat_id"]);
+                       $auth_login = db_escape_string(trim($_POST["auth_login"]));
+                       $auth_pass = db_escape_string(trim($_POST["auth_pass"]));
+                       $parent_feed = db_escape_string($_POST["parent_feed"]);
+                       $private = checkbox_to_sql_bool(db_escape_string($_POST["private"]));
+                       $rtl_content = checkbox_to_sql_bool(db_escape_string($_POST["rtl_content"]));
+
+                       if ($cat_id && $cat_id != 0) {
                                $category_qpart = "cat_id = '$cat_id'";
                        } else {
                                $category_qpart = 'cat_id = NULL';
                        }
 
-                       if ($parent_feed != 0) {
+                       if ($parent_feed && $parent_feed != 0) {
                                $parent_qpart = "parent_feed = '$parent_feed'";
                        } else {
                                $parent_qpart = 'parent_feed = NULL';
                }
 
                if ($subop == "saveCat") {
-                       $cat_title = db_escape_string($_GET["title"]);
+                       $cat_title = db_escape_string(trim($_GET["title"]));
                        $cat_id = db_escape_string($_GET["id"]);
 
                        $result = db_query($link, "UPDATE ttrss_feed_categories SET
                                $feed_link = db_escape_string(trim($_GET["link"]));
                                $cat_id = db_escape_string($_GET["cid"]);
 
-                               if ($cat_id == "0" || !$cat_id) {
-                                       $cat_qpart = "NULL";
-                               } else {
-                                       $cat_qpart = "'$cat_id'";
-                               }
-
-                               $result = db_query($link,
-                                       "SELECT id FROM ttrss_feeds 
-                                       WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
-
-                               if (db_num_rows($result) == 0) {
-                                       
-                                       $result = db_query($link,
-                                               "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id) 
-                                               VALUES ('".$_SESSION["uid"]."', '$feed_link', 
-                                               '[Unknown]', $cat_qpart)");
-
-                                       $result = db_query($link,
-                                               "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link' 
-                                               AND owner_uid = " . $_SESSION["uid"]);
-
-                                       $feed_id = db_fetch_result($result, 0, "id");
-
-                                       if ($feed_id) {
-                                               update_rss_feed($link, $feed_link, $feed_id, true);
-                                       }
+                               if (subscribe_to_feed($link, $feed_link, $cat_id)) {
+                                       print "Added feed.";
                                } else {
-
                                        print "<div class=\"warning\">
                                                Feed <b>$feed_link</b> already exists in the database.
                                        </div>";
 //                             onclick=\"javascript:hideParentElement(this);\" src=\"images/close.png\">";
        
                        print "<a href=\"javascript:showBlockElement('feedUpdateErrors')\">
-                               <b>Feeds with update errors</b> (click to expand)</a>";
+                               <b>Some feeds have update errors (click for details)</b></a>";
 
                        print "<ul id=\"feedUpdateErrors\" class=\"nomarks\">";
                                                
                        cellspacing='0' cellpadding='0'><tr>
                        <td>
                                <input id=\"fadd_link\" 
-                               onchange=\"javascript:addFeed()\"
-                               size=\"40\">
+                                       onkeyup=\"toggleSubmitNotEmpty(this, 'fadd_submit_btn')\"
+                                       size=\"40\">
                                <input type=\"submit\" class=\"button\"
-                               onclick=\"javascript:addFeed()\" value=\"Add feed\">";
+                                       disabled=\"true\" id=\"fadd_submit_btn\"
+                                       onclick=\"addFeed()\" value=\"Subscribe\">";
 
-               if (ENABLE_FEED_BROWSER) {
-                       print "&nbsp;(<a href='javascript:browseFeeds()'>Top 50</a>)";
+               if (ENABLE_FEED_BROWSER && !SINGLE_USER_MODE) {
+                       print " <input type=\"submit\" class=\"button\"
+                               onclick=\"javascript:browseFeeds()\" value=\"Top 25\">";
                }
                
                print "</td><td align='right'>
                                <input id=\"feed_search\" size=\"20\"  
-                               onchange=\"javascript:updateFeedList()\"
-                               value=\"$feed_search\">
+                                       onchange=\"javascript:updateFeedList()\" value=\"$feed_search\">
                                <input type=\"submit\" class=\"button\" 
                                onclick=\"javascript:updateFeedList()\" value=\"Search\">
                        </td>                   
                                class=\"prefFeedList\" id=\"prefFeedList\">";
                        print "<tr><td class=\"selectPrompt\" colspan=\"8\">
                                Select: 
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFeedList', 
-                                               'FEEDR-', 'FRCHK-', true)\">All</a>,
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFeedList', 
-                                               'FEEDR-', 'FRCHK-', false)\">None</a>
+                                       <a href=\"javascript:selectPrefRows('feed', true)\">All</a>,
+                                       <a href=\"javascript:selectPrefRows('feed', false)\">None</a>
                                </td</tr>";
 
                        if (!get_pref($link, 'ENABLE_FEED_CATS')) {
                                print "<tr class=\"title\">
                                        <td width='5%' align='center'>&nbsp;</td>
-                                       <td width='30%'><a href=\"javascript:updateFeedList('title')\">Title</a></td>
-                                       <td width='30%'><a href=\"javascript:updateFeedList('feed_url')\">Feed</a></td>
-                                       <td width='15%'><a href=\"javascript:updateFeedList('update_interval')\">Update Interval</a></td>
-                                       <td width='15%'><a href=\"javascript:updateFeedList('purge_interval')\">Purge Interval</a></td></tr>";
+                                       <td width='40%'><a href=\"javascript:updateFeedList('title')\">Title</a></td>
+                                       <td width='45%'><a href=\"javascript:updateFeedList('feed_url')\">Feed</a></td>
+                                       <td width='15%' align='right'><a href=\"javascript:updateFeedList('last_updated')\">Updated</a></td>";
                        }
                        
                        $lnum = 0;
                                $edit_title = htmlspecialchars(db_unescape_string($line["title"]));
                                $edit_link = htmlspecialchars(db_unescape_string($line["feed_url"]));
                                $edit_cat = htmlspecialchars(db_unescape_string($line["category"]));
-       
-//                             if ($line["update_interval"] == "0") $line["update_interval"] = "Default";
-//                             if ($line["update_interval"] == "-1") $line["update_interval"] = "Disabled";
-//                             if ($line["purge_interval"] == "0") $line["purge_interval"] = "Default";
-//                             if ($line["purge_interval"] < 0)        $line["purge_interval"] = "Disabled";
 
                                if (!$edit_cat) $edit_cat = "Uncategorized";
 
+                               $last_updated = $line["last_updated"];
+
+                               if (get_pref($link, 'HEADLINES_SMART_DATE')) {
+                                       $last_updated = smart_date_time(strtotime($last_updated));
+                               } else {
+                                       $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
+                                       $last_updated = date($short_date, strtotime($last_updated));
+                               }
+
                                if (get_pref($link, 'ENABLE_FEED_CATS') && $cur_cat_id != $cat_id) {
                                        $lnum = 0;
                                
                                        print "<tr><td colspan=\"6\" class=\"feedEditCat\">$edit_cat</td></tr>";
 
                                        print "<tr class=\"title\">
-                                               <td width='5%' align='center'>&nbsp;</td>
-                                               <td width='30%'><a href=\"javascript:updateFeedList('title')\">Title</a></td>
-                                               <td width='30%'><a href=\"javascript:updateFeedList('feed_url')\">Feed</a></td>
-                                               <td width='15%'><a href=\"javascript:updateFeedList('update_interval')\">Update Interval</a></td>
-                                               <td width='15%'><a href=\"javascript:updateFeedList('purge_interval')\">Purge Interval</a></td></tr>";
+                                               <td width='5%'>&nbsp;</td>";
+
+                                       if (get_pref($link, 'ENABLE_FEED_ICONS')) {
+                                               print "<td width='3%'>&nbsp;</td>";
+                                       }
+
+                                       print "<td width='40%'><a href=\"javascript:updateFeedList('title')\">Title</a></td>
+                                               <td width='45%'><a href=\"javascript:updateFeedList('feed_url')\">Feed</a></td>
+                                               <td width='15%' align='right'><a href=\"javascript:updateFeedList('last_updated')\">Updated</a></td>";
 
                                        $cur_cat_id = $cat_id;
                                }
                                } else {
                                        $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
                                }
-//                             print "<td class='feedIcon'>$feed_icon</td>";           
-       
-                               print "<td class='feedSelect'><input onclick='toggleSelectRow(this);' 
+                               
+                               print "<td class='feedSelect'><input onclick='toggleSelectPrefRow(this, \"feed\");' 
                                type=\"checkbox\" id=\"FRCHK-".$line["id"]."\"></td>";
 
+                               if (get_pref($link, 'ENABLE_FEED_ICONS')) {
+                                       print "<td class='feedIcon'>$feed_icon</td>";           
+                               }
+
                                $edit_title = truncate_string($edit_title, 40);
                                $edit_link = truncate_string($edit_link, 60);
 
                                }
 
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       "$feed_icon $edit_title $parent_title" . "</a></td>";           
+                                       "$edit_title $parent_title" . "</a></td>";              
                                        
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
                                        $edit_link . "</a></td>";               
 
-/*                             if (get_pref($link, 'ENABLE_FEED_CATS')) {
-                                       print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                               $edit_cat . "</a></td>";                
-                               } */
-
-                               print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       $update_intervals[$line["update_interval"]] . "</a></td>";
+                               print "<td align='right'><a href=\"javascript:editFeed($feed_id);\">" . 
+                                       "$last_updated</a></td>";
 
-                               print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       $purge_intervals[$line["purge_interval"]] . "</a></td>";
-       
                                print "</tr>";
        
                                ++$lnum;
        
                        print "</table>";
 
-                       print "<p>";
+                       print "<p><span id=\"feedOpToolbar\">";
        
                        if ($subop == "edit") {
                                print "Edit feed:&nbsp;
        
                                print "
                                        Selection:&nbsp;
-                               <input type=\"submit\" class=\"button\" 
-                                       onclick=\"javascript:selectedFeedDetails()\" value=\"Details\">
-                               <input type=\"submit\" class=\"button\" 
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
                                        onclick=\"javascript:editSelectedFeed()\" value=\"Edit\">
-                               <input type=\"submit\" class=\"button\" 
-                                       onclick=\"javascript:removeSelectedFeeds()\" value=\"Remove\">";
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
+                                       onclick=\"javascript:removeSelectedFeeds()\" value=\"Unsubscribe\">";
 
                                if (get_pref($link, 'ENABLE_FEED_CATS')) {
 
-                                       print "&nbsp;&nbsp;";                           
-
-                                       $result = db_query($link, "SELECT title,id FROM ttrss_feed_categories
-                                               WHERE owner_uid = ".$_SESSION["uid"]."
-                                               ORDER BY title");
-
-                                       print "<select id=\"sfeed_set_fcat\">";
-                                       print "<option id=\"0\">Uncategorized</option>";
-
-                                       if (db_num_rows($result) != 0) {
-               
-                                               print "<option disabled>--------</option>";
-
-                                               while ($line = db_fetch_assoc($result)) {
-                                                       printf("<option id='%d'>%s</option>", 
-                                                               $line["id"], $line["title"]);
-                                               }               
-                                       }
-
-                                       print "</select>";
+                                       print "&nbsp;|&nbsp;";                          
 
-                                       print " <input type=\"submit\" class=\"button\" 
-                                       onclick=\"javascript:categorizeSelectedFeeds()\" value=\"Set category\">";
+                                       print_feed_cat_select($link, "sfeed_set_fcat", "", "disabled");
 
-                               }
+                                       print " <input type=\"submit\" class=\"button\" disabled=\"true\"
+                                       onclick=\"javascript:categorizeSelectedFeeds()\" value=\"Recategorize\">";
 
-                               if (get_pref($link, 'ENABLE_PREFS_CATCHUP_UNCATCHUP')) {
-                                       print "
-                                       <input type=\"submit\" class=\"button\" 
-                                               onclick=\"javascript:readSelectedFeeds(true)\" value=\"Mark as read\">
-                                       <input type=\"submit\" class=\"button\" 
-                                               onclick=\"javascript:readSelectedFeeds(false)\" 
-                                               value=\"Mark as unread\">&nbsp;";
                                }
                                
-                               print "
+                               print "</span>
                                        &nbsp;All feeds: <input type=\"submit\" 
                                                        class=\"button\" onclick=\"gotoExportOpml()\" 
                                                        value=\"Export OPML\">";                        
 
                        print "<h3>Edit Categories</h3>";
 
-       //              print "<h3>Categories</h3>";
-
                        print "<div class=\"prefGenericAddBox\">
                                <input id=\"fadd_cat\" 
-                                       onchange=\"javascript:addFeedCat()\"
+                                       onkeyup=\"toggleSubmitNotEmpty(this, 'catadd_submit_btn')\"
                                        size=\"40\">&nbsp;
                                <input 
-                                       type=\"submit\" class=\"button\" 
-                                       onclick=\"javascript:addFeedCat()\" value=\"Add category\"></div>";
+                                       type=\"submit\" class=\"button\" disabled=\"true\" id=\"catadd_submit_btn\"
+                                       onclick=\"javascript:addFeedCat()\" value=\"Create category\"></div>";
        
                        $result = db_query($link, "SELECT title,id FROM ttrss_feed_categories
                                WHERE owner_uid = ".$_SESSION["uid"]."
 
                                print "<tr><td class=\"selectPrompt\" colspan=\"8\">
                                Select: 
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFeedCatList', 
-                                               'FCATR-', 'FCCHK-', true)\">All</a>,
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFeedCatList', 
-                                               'FCATR-', 'FCCHK-', false)\">None</a>
+                                       <a href=\"javascript:selectPrefRows('fcat', true)\">All</a>,
+                                       <a href=\"javascript:selectPrefRows('fcat', false)\">None</a>
                                </td</tr>";
 
                                print "<tr class=\"title\">
-                                                       <td width=\"5%\"></td><td width=\"80%\">Title</td>
+                                                       <td width=\"5%\">&nbsp;</td><td width=\"80%\">Title</td>
                                                </tr>";
                                                
                                $lnum = 0;
                
                                        if (!$edit_cat_id || $subop != "editCat") {
                
-                                               print "<td align='center'><input onclick='toggleSelectRow(this);' 
-                                               type=\"checkbox\" id=\"FCCHK-".$line["id"]."\"></td>";
+                                               print "<td align='center'><input onclick='toggleSelectPrefRow(this, \"fcat\");' 
+                                                       type=\"checkbox\" id=\"FCCHK-".$line["id"]."\"></td>";
                
                                                print "<td><a href=\"javascript:editFeedCat($cat_id);\">" . 
                                                        $edit_title . "</a></td>";              
        
                                print "</table>";
        
-                               print "<p>";
+                               print "<p id=\"catOpToolbar\">";
        
                                if ($subop == "editCat") {
                                        print "Edit category:&nbsp;
-                                               <input type=\"submit\" class=\"button\" 
+                                               <input type=\"submit\" class=\"button\"
                                                        onclick=\"javascript:feedCatEditCancel()\" value=\"Cancel\">
-                                               <input type=\"submit\" class=\"button\" 
+                                               <input type=\"submit\" class=\"button\"
                                                        onclick=\"javascript:feedCatEditSave()\" value=\"Save\">";
                                        } else {
                
                                        print "
                                                Selection:&nbsp;
-                                       <input type=\"submit\" class=\"button\" 
+                                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                                onclick=\"javascript:editSelectedFeedCat()\" value=\"Edit\">
-                                       <input type=\"submit\" class=\"button\" 
+                                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                                onclick=\"javascript:removeSelectedFeedCats()\" value=\"Remove\">";
        
                                }
 
                if ($subop == "editSave") {
 
-                       $regexp = db_escape_string($_GET["r"]);
-                       $descr = db_escape_string($_GET["d"]);
-                       $match = db_escape_string($_GET["m"]);
+                       $regexp = db_escape_string(trim($_GET["r"]));
+                       $match = db_escape_string(trim($_GET["m"]));
                        $filter_id = db_escape_string($_GET["id"]);
                        $feed_id = db_escape_string($_GET["fid"]);
                        $action_id = db_escape_string($_GET["aid"]); 
                        
                        $result = db_query($link, "UPDATE ttrss_filters SET 
                                reg_exp = '$regexp', 
-                               description = '$descr',
                                feed_id = $feed_id,
                                action_id = '$action_id',
                                filter_type = (SELECT id FROM ttrss_filter_types WHERE
 
                if ($quiet) return;
 
+               print "<div id=\"infoBoxShadow\">
+                       <div id=\"infoBox\">PLACEHOLDER</div></div>";
+
                $result = db_query($link, "SELECT description 
                        FROM ttrss_filter_types ORDER BY description");
 
                        array_push($filter_types, $line["description"]);
                }
 
-               print "<div class=\"prefGenericAddBox\">
-               <input id=\"fadd_regexp\" size=\"40\">&nbsp;";
-               
-               print_select("fadd_match", "Title", $filter_types);     
-
-               print "&nbsp;<select id=\"fadd_feed\">";
-
-               print "<option selected id=\"0\">All feeds</option>";
-
-               $result = db_query($link, "SELECT id,title FROM ttrss_feeds
-                       WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
-
-               if (db_num_rows($result) > 0) {
-                       print "<option disabled>--------</option>";
-               }
-
-               while ($line = db_fetch_assoc($result)) {
-                       printf("<option id='%d'>%s</option>", $line["id"], $line["title"]);
-               }
-
-               print "</select>&nbsp;";
-
-               print "&nbsp;Action: ";
-
-               print "<select id=\"fadd_action\">";
-
-               $result = db_query($link, "SELECT id,description FROM ttrss_filter_actions 
-                       ORDER BY name");
-
-               while ($line = db_fetch_assoc($result)) {                       
-                       printf("<option id='%d'>%s</option>", $line["id"], $line["description"]);
-               }
-
-               print "</select>&nbsp;";
-
-/*             print "<input type=\"submit\" 
-                       class=\"button\" onclick=\"javascript:testFilter()\" 
-                       value=\"Test filter\"> "; */
-
                print "<input type=\"submit\" 
-                       class=\"button\" onclick=\"javascript:addFilter()\" 
-                       value=\"Add filter\">";
-
-               print "</div>";
+                       class=\"button\" 
+                       onclick=\"javascript:displayDlg('quickAddFilter', false)\" 
+                       value=\"Create filter\">"; 
 
                $result = db_query($link, "SELECT 
                                ttrss_filters.id AS id,reg_exp,
-                               ttrss_filters.description AS description,
                                ttrss_filter_types.name AS filter_type_name,
                                ttrss_filter_types.description AS filter_type_descr,
                                feed_id,
 
                        print "<tr><td class=\"selectPrompt\" colspan=\"8\">
                                Select: 
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFilterList', 
-                                               'FILRR-', 'FICHK-', true)\">All</a>,
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefFilterList', 
-                                               'FILRR-', 'FICHK-', false)\">None</a>
+                                       <a href=\"javascript:selectPrefRows('filter', true)\">All</a>,
+                                       <a href=\"javascript:selectPrefRows('filter', false)\">None</a>
                                </td</tr>";
 
                        print "<tr class=\"title\">
                                                <td width=\"20%\">Filter expression</td>
                                                <td width=\"20%\">Feed</td>
                                                <td width=\"15%\">Match</td>
-                                               <td width=\"15%\">Action</td>
-                                               <td width=\"30%\">Description</td></tr>";
-               
+                                               <td width=\"15%\">Action</td>";
+
                        $lnum = 0;
                        
                        while ($line = db_fetch_assoc($result)) {
                                print "<tr class=\"$class\" $this_row_id>";
        
                                $line["regexp"] = htmlspecialchars($line["reg_exp"]);
-                               $line["description"] = htmlspecialchars($line["description"]);
        
                                if (!$line["feed_title"]) $line["feed_title"] = "All feeds";
        
                                if (!$edit_filter_id || $subop != "edit") {
        
-                                       if (!$line["description"]) $line["description"] = "[No description]";
-       
-                                       print "<td align='center'><input onclick='toggleSelectRow(this);' 
+                                       print "<td align='center'><input onclick='toggleSelectPrefRow(this, \"filter\");' 
                                        type=\"checkbox\" id=\"FICHK-".$line["id"]."\"></td>";
        
                                        print "<td><a href=\"javascript:editFilter($filter_id);\">" . 
                
                                        print "<td><a href=\"javascript:editFilter($filter_id);\">" . 
                                                $line["action_description"] . "</td>";                  
-
-                                       print "<td><a href=\"javascript:editFilter($filter_id);\">" . 
-                                               $line["description"] . "</td>";                 
        
                                } else if ($filter_id != $edit_filter_id) {
        
                                        if (!$line["description"]) $line["description"] = "[No description]";
        
-                                       print "<td><input disabled=\"true\" type=\"checkbox\" 
+                                       print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
                                                id=\"FICHK-".$line["id"]."\"></td>";
        
                                        print "<td>".$line["reg_exp"]."</td>";          
                                        print "<td>".$line["feed_title"]."</td>";
                                        print "<td>".$line["filter_type_descr"]."</td>";
                                        print "<td>".$line["action_description"]."</td>";               
-                                       print "<td>".$line["description"]."</td>";              
 
                                } else {
        
-                                       print "<td><input disabled=\"true\" type=\"checkbox\" checked></td>";
+                                       print "<td align='center'><input disabled=\"true\" type=\"checkbox\" checked></td>";
        
                                        print "<td><input id=\"iedit_regexp\" value=\"".$line["reg_exp"].
                                                "\"></td>";
        
-                                       print "<td>";
-                                       print "<select id=\"iedit_feed\">";
-                                       print "<option id=\"0\">All feeds</option>";
-       
-                                       $tmp_result = db_query($link, "SELECT id,title FROM ttrss_feeds
-                                               WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
-
-                                       if (db_num_rows($tmp_result) > 0) {
-                                               print "<option disabled>--------</option>";
-                                       }
-
-                                       while ($tmp_line = db_fetch_assoc($tmp_result)) {
-                                               if ($tmp_line["id"] == $line["feed_id"]) {
-                                                       $is_selected = "selected";
-                                               } else {
-                                                       $is_selected = "";
-                                               }
-                                               printf("<option $is_selected id='%d'>%s</option>", 
-                                                       $tmp_line["id"], $tmp_line["title"]);
-                                       }
-       
-                                       print "</select></td>";
-       
+                                       print "<td>";   
+                                       print_feed_select($link, "iedit_feed", $line["feed_id"]);                                       
+                                       print "</td>";
+                                       
                                        print "<td>";
                                        print_select("iedit_match", $line["filter_type_descr"], $filter_types);
                                        print "</td>";
        
                                        print "</select></td>";
 
-
-                                       print "<td><input id=\"iedit_descr\" value=\"".$line["description"].
-                                               "\"></td>";
-       
                                        print "</td>";
                                }
                                
        
                        print "</table>";
        
-                       print "<p>";
+                       print "<p id=\"filterOpToolbar\">";
        
                        if ($subop == "edit") {
                                print "Edit filter:
        
                                print "
                                        Selection:
-                               <input type=\"submit\" class=\"button\" 
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
                                        onclick=\"javascript:editSelectedFilter()\" value=\"Edit\">
-                               <input type=\"submit\" class=\"button\" 
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
                                        onclick=\"javascript:removeSelectedFilters()\" value=\"Remove\">";
                        }
 
 
                if ($subop == "test") {
 
-                       $expr = $_GET["expr"];
-                       $descr = $_GET["descr"];
+                       $expr = trim($_GET["expr"]);
+                       $descr = trim($_GET["descr"]);
+
+                       print "<div id=\"infoBoxTitle\">Test label: $descr</div>";
 
                        print "<div class='infoBoxContents'>";
                
-                       print "<h1>Label &laquo;$descr&raquo;</h1>";
+#                      print "<h1>Label &laquo;$descr&raquo;</h1>";
 
 //                     print "<p><b>Expression</b>: $expr</p>";
 
                        
                        if ($num_matches > 0) { 
 
-                               print "<p>Query returned <b>$num_matches</b> matches, first 5 follow:</p>";
+                               print "<p>Query returned <b>$num_matches</b> matches, showing first 15:</p>";
 
                                $result = db_query($link, 
                                        "SELECT title, 
                                                        WHERE ($expr) AND 
                                                        ttrss_user_entries.ref_id = ttrss_entries.id
                                                        AND owner_uid = " . $_SESSION["uid"] . " 
-                                                       ORDER BY date_entered DESC LIMIT 5");
+                                                       ORDER BY date_entered DESC LIMIT 15");
 
-                               print "<ul class=\"nomarks\">";
+                               print "<ul class=\"filterTestResults\">";
+
+                               $row_class = "even";
+                               
                                while ($line = db_fetch_assoc($result)) {
-                                       print "<li>".$line["title"].
+                                       $row_class = toggleEvenOdd($row_class);
+                                       
+                                       print "<li class=\"$row_class\">".$line["title"].
                                                " <span class=\"insensitive\">(".$line["feed_title"].")</span></li>";
                                }
                                print "</ul>";
 
                if ($subop == "editSave") {
 
-                       $sql_exp = $_GET["s"];
-                       $descr = $_GET["d"];
+                       $sql_exp = trim($_GET["s"]);
+                       $descr = trim($_GET["d"]);
                        $label_id = db_escape_string($_GET["id"]);
                        
 //                     print "$sql_exp : $descr : $label_id";
                }
 
                print "<div class=\"prefGenericAddBox\">
-                       <input size=\"40\" id=\"ladd_expr\">&nbsp;";
+                       <input size=\"40\"                      
+                               onkeyup=\"toggleSubmitNotEmpty(this, 'label_create_btn')\"
+                               id=\"ladd_expr\">&nbsp;";
                        
                print"<input type=\"submit\" class=\"button\" 
-                       onclick=\"javascript:addLabel()\" value=\"Add label\"></div>";
+                       disabled=\"true\" id=\"label_create_btn\"
+                       onclick=\"javascript:addLabel()\" value=\"Create label\"></div>";
 
                $result = db_query($link, "SELECT 
                                id,sql_exp,description
 
                        print "<tr><td class=\"selectPrompt\" colspan=\"8\">
                                Select: 
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefLabelList', 
-                                               'LILRR-', 'LICHK-', true)\">All</a>,
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefLabelList', 
-                                               'LILRR-', 'LICHK-', false)\">None</a>
+                                       <a href=\"javascript:selectPrefRows('label', true)\">All</a>,
+                                       <a href=\"javascript:selectPrefRows('label', false)\">None</a>
                                </td</tr>";
 
                        print "<tr class=\"title\">
-                                               <td align='center' width=\"5%\">&nbsp;</td>
+                                               <td width=\"5%\">&nbsp;</td>
                                                <td width=\"40%\">SQL expression
                                                <a class=\"helpLink\" href=\"javascript:displayHelpInfobox(1)\">(?)</a>
                                                </td>
        
                                        if (!$line["description"]) $line["description"] = "[No caption]";
        
-                                       print "<td align='center'><input onclick='toggleSelectRow(this);' 
+                                       print "<td align='center'><input onclick='toggleSelectPrefRow(this, \"label\");' 
                                        type=\"checkbox\" id=\"LICHK-".$line["id"]."\"></td>";
        
                                        print "<td><a href=\"javascript:editLabel($label_id);\">" . 
        
                                        if (!$line["description"]) $line["description"] = "[No description]";
        
-                                       print "<td><input disabled=\"true\" type=\"checkbox\" 
+                                       print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
                                                id=\"LICHK-".$line["id"]."\"></td>";
        
                                        print "<td>".$line["sql_exp"]."</td>";          
        
                                } else {
        
-                                       print "<td><input disabled=\"true\" type=\"checkbox\" checked></td>";
+                                       print "<td align='center'><input disabled=\"true\" type=\"checkbox\" checked></td>";
        
                                        print "<td><input id=\"iedit_expr\" value=\"".$line["sql_exp"].
                                                "\"></td>";
        
                                        print "<td><input id=\"iedit_descr\" value=\"".$line["description"].
-                                               "\"></td>";
-                                                       
+                                               "\"></td>";                                                     
                                }
                                        
                                
        
                        print "</table>";
        
-                       print "<p>";
+                       print "<p id=\"labelOpToolbar\">";
        
                        if ($subop == "edit") {
                                print "Edit label:
                                        <input type=\"submit\" class=\"button\" 
                                                onclick=\"javascript:labelEditCancel()\" value=\"Cancel\">";
                                                
-                       } else {
-       
+                       } else {        
                                print "
                                        Selection:
-                               <input type=\"submit\" class=\"button\" 
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
                                        onclick=\"javascript:editSelectedLabel()\" value=\"Edit\">
-                               <input type=\"submit\" class=\"button\" 
+                               <input type=\"submit\" class=\"button\" disabled=\"true\"
                                        onclick=\"javascript:removeSelectedLabels()\" value=\"Remove\">";
                        }
                } else {
                        print "<html><head>
                                <title>Tiny Tiny RSS : Help</title>
                                <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
-                               <script type=\"text/javascript\" src=\"functions.js\"></script>
+                               <script type=\"text/javascript\" src=\"functions.js?$script_dt_add\"></script>
                                <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
                                </head><body>";
                }
 
                $tid = sprintf("%d", $_GET["tid"]);
 
+               print "<div id=\"infoBoxTitle\">Help</div>";
+
                print "<div class='infoBoxContents'>";
 
                if (file_exists("help/$tid.php")) {
                $param = $_GET["param"];
 
                if ($id == "quickAddFeed") {
-                       print "
-                       Feed URL: <input 
-                       onblur=\"javascript:enableHotkeys()\" onfocus=\"javascript:disableHotkeys()\"
-                       id=\"qafInput\">";
+
+                       print "<div id=\"infoBoxTitle\">Subscribe to feed</div>";
+                       print "<div class=\"infoBoxContents\">";
+
+                       print "<table width='100%'>
+                       <tr><td>Feed URL:</td><td>
+                               <input onblur=\"javascript:enableHotkeys()\" 
+                                       onkeyup=\"toggleSubmitNotEmpty(this, 'fadd_submit_btn')\"
+                                       onfocus=\"javascript:disableHotkeys()\" id=\"qafInput\"></td></tr>";
                
                        if (get_pref($link, 'ENABLE_FEED_CATS')) {
+                               print "<tr><td>Category:</td><td>";
+                       
                                $result = db_query($link, "SELECT title,id FROM ttrss_feed_categories
                                        WHERE owner_uid = ".$_SESSION["uid"]."
                                        ORDER BY title");
 
-                               print " <select id=\"qafCat\">";
+                               print "<select id=\"qafCat\">";
                                print "<option id=\"0\">Uncategorized</option>";
 
                                if (db_num_rows($result) != 0) {
                                }
 
                                print "</select>";
+                               print "</td></tr>";
                        }
                        
-                       print "&nbsp;<input class=\"button\"
-                               type=\"submit\" onclick=\"javascript:qafAdd()\" value=\"Add feed\">
-                       <input class=\"button\"
-                               type=\"submit\" onclick=\"javascript:closeDlg()\" 
-                               value=\"Cancel\">";
+                       print "<tr><td colspan='2' align='right'>
+                               <input class=\"button\"
+                                       id=\"fadd_submit_btn\" disabled=\"true\"
+                                       type=\"submit\" onclick=\"javascript:qafAdd()\" value=\"Subscribe\">
+                               <input class=\"button\"
+                                       type=\"submit\" onclick=\"javascript:closeInfoBox()\" 
+                                       value=\"Cancel\"></td></tr></table>";
                }
 
                if ($id == "quickDelFeed") {
                                <input class=\"button\"
                                        type=\"submit\" onclick=\"javascript:qfdDelete($param)\" value=\"Remove\">
                                <input class=\"button\"
-                                       type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                                       type=\"submit\" onclick=\"javascript:closeInfoBox()\" 
                                        value=\"Cancel\">";
                        } else {
                                print "Error: Feed $param not found.&nbsp;
                                <input class=\"button\"
-                                       type=\"submit\" onclick=\"javascript:closeDlg()\" 
+                                       type=\"submit\" onclick=\"javascript:closeInfoBox()\" 
                                        value=\"Cancel\">";             
                        }
                }
 
                if ($id == "search") {
 
+                       print "<div id=\"infoBoxTitle\">Search</div>";
+                       print "<div class=\"infoBoxContents\">";
+
                        $active_feed_id = db_escape_string($_GET["param"]);
 
+                       print "<table width='100%'><tr><td>Search:</td><td>";
+
                        print "<input id=\"searchbox\" class=\"extSearch\"                      
-                       onblur=\"javascript:enableHotkeys()\" onfocus=\"javascript:disableHotkeys()\"
-                       onchange=\"javascript:search()\">
+                               onblur=\"javascript:enableHotkeys()\" 
+                               onfocus=\"javascript:disableHotkeys()\"
+                               onkeyup=\"toggleSubmitNotEmpty(this, 'search_submit_btn')\"
+                               onchange=\"javascript:search()\">                               
+                       </td></tr><tr><td>Where:</td><td>
                        <select id=\"searchmodebox\">
                                <option selected>All feeds</option>";
                                
                                print "<option>This category</option>";
                        }
 
-                       print "</select>                
+                       print "</select></td></tr>
+
+                       <tr><td colspan='2' align='right'>
                        <input type=\"submit\" 
-                               class=\"button\" onclick=\"javascript:search()\" value=\"Search\">
+                               class=\"button\" onclick=\"javascript:search()\" 
+                               id=\"search_submit_btn\" disabled=\"true\"
+                               value=\"Search\">
                        <input class=\"button\"
-                               type=\"submit\" onclick=\"javascript:closeDlg()\" 
-                               value=\"Close\">";
+                               type=\"submit\" onclick=\"javascript:closeInfoBox()\" 
+                               value=\"Cancel\"></td></tr></table>";
 
                }
 
                if ($id == "quickAddFilter") {
 
+                       print "<div id=\"infoBoxTitle\">Create filter</div>";
+                       print "<div class=\"infoBoxContents\">";
+
+//                     print "<div class=\"notice\"><b>Note:</b> filter will only apply to new articles.</div>";
+                       
                        $result = db_query($link, "SELECT description 
                                FROM ttrss_filter_types ORDER BY description");
        
                                array_push($filter_types, $line["description"]);
                        }
 
-                       print "<table>";
+                       print "<table width='100%'>";
 
-                       print "<tr><td>Match:</td><td><input id=\"fadd_regexp\" size=\"40\">&nbsp;";
+                       print "<tr><td>Match:</td>
+                               <td><input onkeyup=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
+                               id=\"fadd_regexp\" size=\"30\">&nbsp;";
                        
                        print_select("fadd_match", "Title", $filter_types);     
        
                        print "</td></tr>";
-                       print "<tr><td>Feed:</td><td><select id=\"fadd_feed\">";
-       
-                       print "<option selected id=\"0\">All feeds</option>";
-       
-                       $result = db_query($link, "SELECT id,title FROM ttrss_feeds
-                               WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
-       
-                       if (db_num_rows($result) > 0) {
-                               print "<option disabled>--------</option>";
-                       }
-       
-                       while ($line = db_fetch_assoc($result)) {
-                               if ($param == $line["id"]) {
-                                       $selected = "selected";
-                               } else {
-                                       $selected = "";
-                               }
-                               printf("<option id='%d' %s>%s</option>", $line["id"], $selected, $line["title"]);
-                       }
-       
-                       print "</select></td></tr>";
+                       print "<tr><td>Feed:</td><td>";
+
+                       print_feed_select($link, "fadd_feed");
+                       
+                       print "</td></tr>";
        
                        print "<tr><td>Action:</td>";
        
                        print "</td></tr><tr><td colspan=\"2\" align=\"right\">";
        
                        print "<input type=\"submit\" 
+                               id=\"infobox_submit\"
                                class=\"button\" onclick=\"javascript:qaddFilter()\" 
-                               value=\"Add filter\"> ";
+                               disabled=\"true\" value=\"Create\"> ";
 
                        print "<input class=\"button\"
-                               type=\"submit\" onclick=\"javascript:closeDlg()\" 
-                               value=\"Close\">";
+                               type=\"submit\" onclick=\"javascript:closeInfoBox()\" 
+                               value=\"Cancel\">";
 
                        print "</td></tr></table>";
+
                }
+
+               print "</div>";
+
        }
 
        // update feeds of all users, may be used anonymously
 
                                print "</form>";
 
-                               print "<form action=\"backend.php\" method=\"POST\">";
+                               print "<form action=\"backend.php\" method=\"POST\" name=\"changePassForm\">";
        
                                print "<table width=\"100%\" class=\"prefPrefsList\">";
                                print "<tr><td colspan='3'><h3>Authentication</h3></tr></td>";
                                print "<input type=\"hidden\" name=\"op\" value=\"pref-prefs\">";
        
                                print "<p><input class=\"button\" type=\"submit\" 
+                                       onclick=\"return validateNewPassword(this.form)\"
                                        value=\"Change password\" name=\"subop\">";
        
                                print "</form>";
                                $tmp_user_pwd = make_password(8);
                                $pwd_hash = 'SHA1:' . sha1($tmp_user_pwd);
 
-                               db_query($link, "INSERT INTO ttrss_users 
-                                       (login,pwd_hash,access_level,last_login)
-                                       VALUES ('$login', '$pwd_hash', 0, NOW())");
-
-
                                $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
-                                       login = '$login' AND pwd_hash = '$pwd_hash'");
-
-                               if (db_num_rows($result) == 1) {
+                                       login = '$login'");
 
-                                       $new_uid = db_fetch_result($result, 0, "id");
-
-                                       print "<div class=\"notice\">Added user <b>".$_GET["login"].
-                                               "</b> with password <b>$tmp_user_pwd</b>.</div>";
-
-                                       initialize_user($link, $new_uid);
+                               if (db_num_rows($result) == 0) {
 
+                                       db_query($link, "INSERT INTO ttrss_users 
+                                               (login,pwd_hash,access_level,last_login)
+                                               VALUES ('$login', '$pwd_hash', 0, NOW())");
+       
+       
+                                       $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
+                                               login = '$login' AND pwd_hash = '$pwd_hash'");
+       
+                                       if (db_num_rows($result) == 1) {
+       
+                                               $new_uid = db_fetch_result($result, 0, "id");
+       
+                                               print "<div class=\"notice\">Added user <b>".$_GET["login"].
+                                                       "</b> with password <b>$tmp_user_pwd</b>.</div>";
+       
+                                               initialize_user($link, $new_uid);
+       
+                                       } else {
+                                       
+                                               print "<div class=\"warning\">Could not create user <b>".
+                                                       $_GET["login"]."</b></div>";
+       
+                                       }
                                } else {
-                               
-                                       print "<div class=\"warning\">Error while adding user <b>".
-                                       $_GET["login"].".</b></div>";
-
+                                       print "<div class=\"warning\">User <b>".
+                                               $_GET["login"]."</b> already exists.</div>";
                                }
                        } 
                } else if ($subop == "resetPass") {
                }
 
                print "<div class=\"prefGenericAddBox\">
-                       <input id=\"uadd_box\" onchange=\"javascript:addUser()\" size=\"40\">&nbsp;";
+                       <input id=\"uadd_box\"                  
+                               onkeyup=\"toggleSubmitNotEmpty(this, 'user_add_btn')\"
+                               size=\"40\">&nbsp;";
                        
                print"<input type=\"submit\" class=\"button\" 
-                       onclick=\"javascript:addUser()\" value=\"Add user\"></div>";
+                       id=\"user_add_btn\" disabled=\"true\"
+                       onclick=\"javascript:addUser()\" value=\"Create user\"></div>";
 
                $result = db_query($link, "SELECT 
                                id,login,access_level,email,
 
                print "<tr><td class=\"selectPrompt\" colspan=\"8\">
                                Select: 
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefUserList', 
-                                               'UMRR-', 'UMCHK-', true)\">All</a>,
-                                       <a href=\"javascript:selectTableRowsByIdPrefix('prefUserList', 
-                                               'UMRR-', 'UMCHK-', false)\">None</a>
+                                       <a href=\"javascript:selectPrefRows('user', true)\">All</a>,
+                                       <a href=\"javascript:selectPrefRows('user', false)\">None</a>
                                </td</tr>";
 
                print "<tr class=\"title\">
                                        <td align='center' width=\"5%\">&nbsp;</td>
-                                       <td width='20%'>Username</td>
+                                       <td width='20%'>Login</td>
                                        <td width='20%'>E-mail</td>
                                        <td width='20%'>Access Level</td>
                                        <td width='20%'>Last login</td></tr>";
 
                        $access_level_names = array(0 => "User", 10 => "Administrator");
 
-/*                     if ($uid == $_SESSION["uid"]) {
-
-                               print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
-                                       id=\"UMCHK-".$line["id"]."\"></td>";
-
-                               print "<td>".$line["login"]."</td>";
-                               print "<td>".$line["email"]."</td>";
-                               print "<td>".$line["access_level"]."</td>";
+                       if (!$edit_uid || $subop != "edit") {
 
-                       } else */ if (!$edit_uid || $subop != "edit") {
-
-                               print "<td align='center'><input onclick='toggleSelectRow(this);' 
+                               print "<td align='center'><input onclick='toggleSelectPrefRow(this, \"user\");' 
                                type=\"checkbox\" id=\"UMCHK-$uid\"></td>";
 
                                print "<td><a href=\"javascript:editUser($uid);\">" . 
                                        $line["login"] . "</td>";               
 
+                               if (!$line["email"]) $line["email"] = "&nbsp;";
+
                                print "<td><a href=\"javascript:editUser($uid);\">" . 
                                        $line["email"] . "</td>";                       
 
 
                        } else if ($uid != $edit_uid) {
 
+                               if (!$line["email"]) $line["email"] = "&nbsp;";
+
                                print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
                                        id=\"UMCHK-".$line["id"]."\"></td>";
 
                                print "<td><input id=\"iedit_email\" value=\"".$line["email"].
                                        "\"></td>";
 
-//                             print "<td><input id=\"iedit_ulevel\" value=\"".$line["access_level"].
-//                                     "\"></td>";
-
                                print "<td>";
                                print "<select id=\"iedit_ulevel\">";
                                foreach (array_keys($access_level_names) as $al) {
 
                print "</table>";
 
-               print "<p>";
+               print "<p id='userOpToolbar'>";
 
                if ($subop == "edit") {
                        print "Edit user:
 
                        print "
                                Selection:
-                       <input type=\"submit\" class=\"button\" 
+                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                onclick=\"javascript:selectedUserDetails()\" value=\"User details\">
-                       <input type=\"submit\" class=\"button\" 
+                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                onclick=\"javascript:editSelectedUser()\" value=\"Edit\">
-                       <input type=\"submit\" class=\"button\" 
+                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                onclick=\"javascript:removeSelectedUsers()\" value=\"Remove\">
-                       <input type=\"submit\" class=\"button\" 
+                       <input type=\"submit\" class=\"button\" disabled=\"true\"
                                onclick=\"javascript:resetSelectedUserPass()\" value=\"Reset password\">";
 
                }
 
                $uid = sprintf("%d", $_GET["id"]);
 
+               print "<div id=\"infoBoxTitle\">User details</div>";
+
                print "<div class='infoBoxContents'>";
 
                $result = db_query($link, "SELECT login,
                        return;
                }
                
-               print "<h1>User Details</h1>";
+#              print "<h1>User Details</h1>";
+
+               $login = db_fetch_result($result, 0, "login");
+
+#              print "<h1>$login</h1>";
 
                print "<table width='100%'>";
 
-               $login = db_fetch_result($result, 0, "login");
                $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
                        strtotime(db_fetch_result($result, 0, "last_login")));
                $access_level = db_fetch_result($result, 0, "access_level");
                $stored_articles = db_fetch_result($result, 0, "stored_articles");
 
-               print "<tr><td>Username</td><td>$login</td></tr>";
-               print "<tr><td>Access level</td><td>$access_level</td></tr>";
+#              print "<tr><td>Username</td><td>$login</td></tr>";
+#              print "<tr><td>Access level</td><td>$access_level</td></tr>";
                print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
                print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 
 
                print "<ul class=\"userFeedList\">";
 
+               $row_class = "odd";
+
                while ($line = db_fetch_assoc($result)) {
 
                        $icon_file = ICONS_URL."/".$line["id"].".ico";
                                $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
                        }
 
-                       print "<li>$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
+                       print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
+
+                       $row_class = toggleEvenOdd($row_class);
+
                }
 
                if (db_num_rows($result) < $num_feeds) {
 
        }
 
-       if ($op == "feed-details") {
-
-//             $feed_id = $_GET["id"];
-
-               $feed_ids = split(",", db_escape_string($_GET["id"]));
-
-               print "<div class=\"infoBoxContents\">";
-
-               foreach ($feed_ids as $feed_id) {
-
-                       $result = db_query($link, 
-                               "SELECT 
-                                       title,feed_url,
-                                       SUBSTRING(last_updated,1,16) as last_updated,
-                                       icon_url,site_url,
-                                       (SELECT COUNT(int_id) FROM ttrss_user_entries 
-                                               WHERE feed_id = id) AS total,
-                                       (SELECT COUNT(int_id) FROM ttrss_user_entries 
-                                               WHERE feed_id = id AND unread = true) AS unread,
-                                       (SELECT COUNT(int_id) FROM ttrss_user_entries 
-                                               WHERE feed_id = id AND marked = true) AS marked
-                               FROM ttrss_feeds
-                               WHERE id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
-       
-                       if (db_num_rows($result) == 0) return;
-       
-                       $title = db_unescape_string(db_fetch_result($result, 0, "title"));
-                       $last_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
-                               strtotime(db_fetch_result($result, 0, "last_updated")));
-                       $feed_url = db_fetch_result($result, 0, "feed_url");
-                       $icon_url = db_fetch_result($result, 0, "icon_url");
-                       $total = db_fetch_result($result, 0, "total");
-                       $unread = db_fetch_result($result, 0, "unread");
-                       $marked = db_fetch_result($result, 0, "marked");
-                       $site_url = db_fetch_result($result, 0, "site_url");
-       
-                       $result = db_query($link, "SELECT COUNT(id) AS subscribed
-                                               FROM ttrss_feeds WHERE feed_url = '$feed_url' AND private = false");
-       
-                       $subscribed = db_fetch_result($result, 0, "subscribed");
-       
-                       $icon_file = ICONS_DIR . "/$feed_id.ico";
-       
-                       if (file_exists($icon_file) && filesize($icon_file) > 0) {
-                                       $feed_icon = "<img width=\"16\" height=\"16\"
-                                               src=\"" . ICONS_URL . "/$feed_id.ico\">";
-                       } else {
-                               $feed_icon = "";
-                       }
-       
-                       print "<h1>$feed_icon $title</h1>";
-       
-                       print "<table width='100%'>";
-       
-                       if ($site_url) {
-                               print "<tr><td width='30%'>Link</td>
-                                       <td><a href=\"$site_url\">$site_url</a>
-                                       <a href=\"$feed_url\">(feed)</a></td>
-                                       </td></tr>";
-                       } else {
-                               print "<tr><td width='30%'>Feed URL</td>
-                                       <td><a href=\"$feed_url\">$feed_url</a></td></tr>";
-                       }
-                       print "<tr><td>Last updated</td><td>$last_updated</td></tr>";
-                       print "<tr><td>Total articles</td><td>$total</td></tr>";
-                       print "<tr><td>Unread articles</td><td>$unread</td></tr>";
-                       print "<tr><td>Starred articles</td><td>$marked</td></tr>";
-                       print "<tr><td>Subscribed users</td><td>$subscribed</td></tr>";
-       
-                       print "</table>";
-       
-/*                     $result = db_query($link, "SELECT title,
-                               SUBSTRING(updated,1,16) AS updated,unread
-                               FROM ttrss_entries,ttrss_user_entries
-                               WHERE ref_id = id AND feed_id = '$feed_id' 
-                               ORDER BY date_entered DESC LIMIT 5");
-       
-                       if (db_num_rows($result) > 0) {
-       
-                               print "<h1>Latest headlines</h1>";
-       
-                               print "<ul class=\"nomarks\">";
-               
-                               while ($line = db_fetch_assoc($result)) {
-                                       if ($line["unread"] == "t" || $line["unread"] == "1") {
-                                               $line["title"] = "<b>" . $line["title"] . "</b>";
-                                       }                               
-                                       print "<li>" . $line["title"].
-                                       "&nbsp;<span class=\"insensitive\">(" .
-                                               date(get_pref($link, 'SHORT_DATE_FORMAT'), 
-                                                       strtotime($line["updated"])).
-                                       ")</span></li>";
-                               }
-               
-                               print "</ul>";
-               
-                       } */
-               }
-
-               print "</div>";
-       
-               print "<div align='center'>
-                       <input type='submit' class='button'                     
-                       onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
-       }       
-
        if ($op == "pref-feed-browser") {
 
                if (!ENABLE_FEED_BROWSER) {
                        return;
                }
 
+               print "<p>This panel shows feeds subscribed by other users of this system, just in case you are interested in some of them too.</p>";
+
+               $limit = db_escape_string($_GET["limit"]);
+
+               if (!$limit) $limit = 25;
+
                $result = db_query($link, "SELECT feed_url,count(id) AS subscribers 
                        FROM ttrss_feeds 
                        WHERE auth_login = '' AND auth_pass = '' AND private = false
-                       GROUP BY feed_url ORDER BY subscribers DESC LIMIT 100");
-               
+                       GROUP BY feed_url ORDER BY subscribers DESC LIMIT $limit");
+
+               print "<div style=\"float : right\">
+                       Top <select id=\"feedBrowserLimit\">";
+
+               foreach (array(25, 50, 100) as $l) {
+                       $issel = ($l == $limit) ? "selected" : "";
+                       print "<option $issel>$l</option>";
+               }
+                       
+               print "</select>
+                       <input type=\"submit\" class=\"button\"
+                               onclick=\"updateBigFeedBrowser()\" value=\"Show\">
+               </div>";
+
+               print "<p id=\"fbrOpToolbar\">Selection: 
+                       <input type='submit' class='button' onclick=\"feedBrowserSubscribe()\" 
+                       disabled=\"true\" value=\"Subscribe\">";
+
                print "<ul class='nomarks' id='browseBigFeedList'>";
 
                $feedctr = 0;
                                $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
                        }
 
-                       $check_box = "<input onclick='toggleSelectListRow(this)' class='feedBrowseCB' 
+                       $check_box = "<input onclick='toggleSelectFBListRow(this)' class='feedBrowseCB' 
                                type=\"checkbox\" id=\"FBCHK-" . $details["id"] . "\">";
 
                        $class = ($feedctr % 2) ? "even" : "odd";
 
                print "</ul>";
 
-               print "<p>Selection: 
-                       <input type='submit' class='button' onclick=\"feedBrowserSubscribe()\" 
-                       value=\"Subscribe\"></p>";
-
                print "</div>";
 
        }
 
+       function check_configuration_variables() {
+               if (!defined('SESSION_EXPIRE_TIME')) {
+                       return "config: SESSION_EXPIRE_TIME is undefined";
+               }
+
+               if (SESSION_EXPIRE_TIME < 60) {
+                       return "config: SESSION_EXPIRE_TIME is too low (less than 60)";
+               }
+
+               if (SESSION_EXPIRE_TIME < SESSION_COOKIE_LIFETIME_REMEMBER) {
+                       return "config: SESSION_EXPIRE_TIME should be greater or equal to" .
+                               "SESSION_COOKIE_LIFETIME_REMEMBER";
+               }
+
+               if (defined('DISABLE_SESSIONS')) {
+                       return "config: you have enabled DISABLE_SESSIONS. Please disable this option.";
+               }
+
+               if (DATABASE_BACKED_SESSIONS && SINGLE_USER_MODE) {
+                       return "config: DATABASE_BACKED_SESSIONS is incompatible with SINGLE_USER_MODE";
+               }
+
+               return false;
+       }
+
        db_close($link);
 ?>