]> git.wh0rd.org - tt-rss.git/blobdiff - prefs.js
pref-feeds tweaks
[tt-rss.git] / prefs.js
index 4a018345f9ae84d1f8d829f7ec9b1b4859e69c2c..43a554cf2ba02fb2b8045b0c4cd7f06156fb81ab 100644 (file)
--- a/prefs.js
+++ b/prefs.js
@@ -1,33 +1,58 @@
 var xmlhttp = false;
 
-var active_feed = false;
 var active_feed_cat = false;
-var active_filter = false;
 var active_label = false;
-var active_user = false;
 var active_tab = false;
 var feed_to_expand = false;
 
-var piggie_top = -400;
-var piggie_fwd = true;
+var xmlhttp = Ajax.getTransport();
 
-/*@cc_on @*/
-/*@if (@_jscript_version >= 5)
-// JScript gives us Conditional compilation, we can cope with old IE versions.
-// and security blocked creation of the objects.
-try {
-       xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
-} catch (e) {
-       try {
-               xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
-       } catch (E) {
-               xmlhttp = false;
+var init_params = new Array();
+
+var caller_subop = false;
+
+var sanity_check_done = false;
+
+function infobox_callback() {
+       if (xmlhttp.readyState == 4) {
+               infobox_callback2(xmlhttp);
+       }
+}
+
+function infobox_submit_callback() {
+       if (xmlhttp.readyState == 4) {
+               infobox_submit_callback2(xmlhttp);
        }
 }
-@end @*/
 
-if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
-       xmlhttp = new XMLHttpRequest();
+
+function replace_pubkey_callback() {
+       if (xmlhttp.readyState == 4) {
+               try {   
+                       var link = document.getElementById("pubGenAddress");
+
+                       if (xmlhttp.responseXML) {
+
+                               var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
+
+                               if (new_link) {
+                                       link.href = new_link.firstChild.nodeValue;
+                                       //link.innerHTML = new_link.firstChild.nodeValue;
+
+                                       new Effect.Highlight(link);
+
+                                       notify_info("Published feed URL changed.");
+                               } else {
+                                       notify_error("Could not change feed URL.");
+                               }
+
+                       } else {
+                               notify_error("Could not change feed URL.");
+                       }
+               } catch (e) {
+                       exception_error("replace_pubkey_callback", e);
+               }
+       }
 }
 
 function expand_feed_callback() {
@@ -35,8 +60,8 @@ function expand_feed_callback() {
                try {   
                        var container = document.getElementById("BRDET-" + feed_to_expand);     
                        container.innerHTML=xmlhttp.responseText;
-                       container.style.display = "block";
-                       p_notify("");
+//                     container.style.display = "block";
+                       Effect.Appear(container, {duration : 0.5});
                } catch (e) {
                        exception_error("expand_feed_callback", e);
                }
@@ -50,53 +75,67 @@ function feedlist_callback() {
                        container.innerHTML=xmlhttp.responseText;
                        selectTab("feedConfig", true);
 
-                       if (active_feed) {
-                               var row = document.getElementById("FEEDR-" + active_feed);
-                               if (row) {
-                                       if (!row.className.match("Selected")) {
-                                               row.className = row.className + "Selected";
-                                       }               
-                               }
-                               var checkbox = document.getElementById("FRCHK-" + active_feed);
-                               if (checkbox) {
-                                       checkbox.checked = true;
-                               }
+                       if (caller_subop) {
+                               var tuple = caller_subop.split(":");
+                               if (tuple[0] == 'editFeed') {
+                                       window.setTimeout('editFeed('+tuple[1]+')', 100);
+                               }                               
+
+                               caller_subop = false;
                        }
-                       p_notify("");
+                       if (typeof correctPNG != 'undefined') {
+                               correctPNG();
+                       }
+                       notify("");
                } catch (e) {
                        exception_error("feedlist_callback", e);
                }
        }
 }
 
+/* stub for subscription dialog */
+
+function dlg_frefresh_callback(transport) {
+
+       try {
+               var container = document.getElementById('prefContent'); 
+               container.innerHTML=transport.responseText;
+               selectTab("feedConfig", true);
+
+               if (caller_subop) {
+                       var tuple = caller_subop.split(":");
+                       if (tuple[0] == 'editFeed') {
+                               window.setTimeout('editFeed('+tuple[1]+')', 100);
+                       }                               
+
+                       caller_subop = false;
+               }
+               if (typeof correctPNG != 'undefined') {
+                       correctPNG();
+               }
+               notify("");
+       } catch (e) {
+               exception_error("feedlist_callback", e);
+       }
+
+}
+
 function filterlist_callback() {
        var container = document.getElementById('prefContent');
        if (xmlhttp.readyState == 4) {
-
                container.innerHTML=xmlhttp.responseText;
-
-               if (active_filter) {
-                       var row = document.getElementById("FILRR-" + active_filter);
-                       if (row) {
-                               if (!row.className.match("Selected")) {
-                                       row.className = row.className + "Selected";
-                               }               
-                       }
-                       var checkbox = document.getElementById("FICHK-" + active_filter);
-                       
-                       if (checkbox) {
-                               checkbox.checked = true;
-                       }
+               if (typeof correctPNG != 'undefined') {
+                       correctPNG();
                }
-               p_notify("");
+               notify("");
        }
 }
 
 function labellist_callback() {
        var container = document.getElementById('prefContent');
        if (xmlhttp.readyState == 4) {
+               closeInfoBox();
                container.innerHTML=xmlhttp.responseText;
-
                if (active_label) {
                        var row = document.getElementById("LILRR-" + active_label);
                        if (row) {
@@ -110,7 +149,10 @@ function labellist_callback() {
                                checkbox.checked = true;
                        }
                }
-               p_notify("");
+               if (typeof correctPNG != 'undefined') {
+                       correctPNG();
+               }
+               notify("");
        }
 }
 
@@ -118,7 +160,7 @@ function feed_browser_callback() {
        var container = document.getElementById('prefContent');
        if (xmlhttp.readyState == 4) {
                container.innerHTML=xmlhttp.responseText;
-               p_notify("");
+               notify("");
        }
 }
 
@@ -126,49 +168,17 @@ function userlist_callback() {
        var container = document.getElementById('prefContent');
        if (xmlhttp.readyState == 4) {
                container.innerHTML=xmlhttp.responseText;
-
-               if (active_user) {
-                       var row = document.getElementById("UMRR-" + active_user);
-                       if (row) {
-                               if (!row.className.match("Selected")) {
-                                       row.className = row.className + "Selected";
-                               }               
-                       }
-                       var checkbox = document.getElementById("UMCHK-" + active_user);
-                       
-                       if (checkbox) {
-                               checkbox.checked = true;
-                       }
-               } 
-
-               p_notify("");
-       }
-}
-
-function infobox_callback() {
-       if (xmlhttp.readyState == 4) {
-               var box = document.getElementById('infoBox');
-               var shadow = document.getElementById('infoBoxShadow');
-
-               if (box) {
-                       box.innerHTML=xmlhttp.responseText;
-                       if (shadow) {
-                               shadow.style.display = "block";
-                       } else {
-                               box.style.display = "block";                            
-                       }
-               }
+               notify("");
        }
 }
 
-
 function prefslist_callback() {
        var container = document.getElementById('prefContent');
        if (xmlhttp.readyState == 4) {
 
                container.innerHTML=xmlhttp.responseText;
-
-               p_notify("");
+               
+               notify("");
        }
 }
 
@@ -182,11 +192,62 @@ function gethelp_callback() {
        }
 }
 
-
 function notify_callback() {
-       var container = document.getElementById('notify');
        if (xmlhttp.readyState == 4) {
-               container.innerHTML=xmlhttp.responseText;
+               notify_info(xmlhttp.responseText);
+       } 
+}
+
+function prefs_reset_callback() {
+       if (xmlhttp.readyState == 4) {
+               notify_info(xmlhttp.responseText);
+               selectTab();
+       } 
+}
+
+
+function changepass_callback() {
+       try {
+               if (xmlhttp.readyState == 4) {
+       
+                       if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
+                               notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
+                       } else {
+                               notify_info(xmlhttp.responseText);
+                               var warn = document.getElementById("default_pass_warning");
+                               if (warn) warn.style.display = "none";
+                       }
+       
+                       document.forms['change_pass_form'].reset();
+
+               } 
+       } catch (e) {
+               exception_error("changepass_callback", e);
+       }
+}
+
+function infobox_feed_cat_callback() {
+       if (xmlhttp.readyState == 4) {
+               try {
+
+                       infobox_callback();
+
+                       if (document.getElementById("prefFeedCatList")) {
+                               var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
+
+                               for (var i = 0; i < elems.length; i++) {
+                                       if (elems[i].id && elems[i].id.match("FCATT-")) {
+                                               var cat_id = elems[i].id.replace("FCATT-", "");
+
+                                               new Ajax.InPlaceEditor(elems[i],
+                                                       'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
+                                       }
+                               }
+                       }
+
+               } catch (e) {
+                       exception_error("infobox_feed_cat_callback", e);
+               }
        }
 }
 
@@ -197,34 +258,35 @@ function updateFeedList(sort_key) {
                return
        }
 
-//     document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
-
-       p_notify("Loading, please wait...");
-
        var feed_search = document.getElementById("feed_search");
        var search = "";
        if (feed_search) { search = feed_search.value; }
 
+       var slat = document.getElementById("show_last_article_times");
+
+       var slat_checked = false;
+       if (slat) {
+               slat_checked = slat.checked;
+       }
+
        xmlhttp.open("GET", "backend.php?op=pref-feeds" +
                "&sort=" + param_escape(sort_key) + 
+               "&slat=" + param_escape(slat_checked) +
                "&search=" + param_escape(search), true);
        xmlhttp.onreadystatechange=feedlist_callback;
        xmlhttp.send(null);
 
 }
 
-function updateUsersList() {
+function updateUsersList(sort_key) {
 
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-//     document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
-
-       p_notify("Loading, please wait...");
-
-       xmlhttp.open("GET", "backend.php?op=pref-users", true);
+       xmlhttp.open("GET", "backend.php?op=pref-users&sort="
+               + param_escape(sort_key), true);
        xmlhttp.onreadystatechange=userlist_callback;
        xmlhttp.send(null);
 
@@ -237,55 +299,26 @@ function addLabel() {
                return
        }
 
-       var sqlexp = document.getElementById("ladd_expr");
-
-       if (sqlexp.value.length == 0) {
-               notify("Missing SQL expression.");
-       } else {
-               notify("Adding label...");
+       var form = document.forms['label_edit_form'];
 
-               xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&exp=" +
-                       param_escape(sqlexp.value), true);                      
-                       
-               xmlhttp.onreadystatechange=labellist_callback;
-               xmlhttp.send(null);
+       var sql_exp = form.sql_exp.value;
+       var description = form.description.value;
 
-               sqlexp.value = "";
+       if (sql_exp == "") {
+               alert(__("Can't create label: missing SQL expression."));
+               return false;
        }
 
-}
-
-function addFilter() {
-
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
+       if (description == "") {
+               alert(__("Can't create label: missing caption."));
+               return false;
        }
 
-       var regexp = document.getElementById("fadd_regexp");
-       var match = document.getElementById("fadd_match");
-       var feed = document.getElementById("fadd_feed");
-       var action = document.getElementById("fadd_action");
-
-       if (regexp.value.length == 0) {
-               notify("Missing filter expression.");
-       } else {
-               notify("Adding filter...");
-
-               var v_match = match[match.selectedIndex].text;
-               var feed_id = feed[feed.selectedIndex].id;
-               var action_id = action[action.selectedIndex].id;
-
-               xmlhttp.open("GET", "backend.php?op=pref-filters&subop=add&regexp=" +
-                       param_escape(regexp.value) + "&match=" + v_match +
-                       "&fid=" + param_escape(feed_id) + "&aid=" + param_escape(action_id), true);
-                       
-               xmlhttp.onreadystatechange=filterlist_callback;
-               xmlhttp.send(null);
-
-               regexp.value = "";
-       }
+       var query = Form.serialize("label_edit_form");
 
+       xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);                     
+       xmlhttp.onreadystatechange=infobox_submit_callback;
+       xmlhttp.send(null);
 }
 
 function addFeed() {
@@ -298,11 +331,13 @@ function addFeed() {
        var link = document.getElementById("fadd_link");
 
        if (link.value.length == 0) {
-               notify("Missing feed URL.");
+               alert(__("Error: No feed URL given."));
+       } else if (!isValidURL(link.value)) {
+               alert(__("Error: Invalid feed URL."));
        } else {
-               notify("Adding feed...");
+               notify_progress("Adding feed...");
 
-               xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
+               xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
                        param_escape(link.value), true);
                xmlhttp.onreadystatechange=feedlist_callback;
                xmlhttp.send(null);
@@ -323,13 +358,13 @@ function addFeedCat() {
        var cat = document.getElementById("fadd_cat");
 
        if (cat.value.length == 0) {
-               notify("Missing feed category.");
+               alert(__("Can't add category: no name specified."));
        } else {
-               notify("Adding feed category...");
+               notify_progress("Adding feed category...");
 
-               xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=addCat&cat=" +
+               xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
                        param_escape(cat.value), true);
-               xmlhttp.onreadystatechange=feedlist_callback;
+               xmlhttp.onreadystatechange=infobox_callback;
                xmlhttp.send(null);
 
                link.value = "";
@@ -347,9 +382,9 @@ function addUser() {
        var sqlexp = document.getElementById("uadd_box");
 
        if (sqlexp.value.length == 0) {
-               notify("Missing user login.");
+               alert(__("Can't add user: no login specified."));
        } else {
-               notify("Adding user...");
+               notify_progress("Adding user...");
 
                xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
                        param_escape(sqlexp.value), true);                      
@@ -369,11 +404,18 @@ function editLabel(id) {
                return
        }
 
+       notify_progress("Loading, please wait...");
+
+       document.getElementById("label_create_btn").disabled = true;
+
        active_label = id;
 
+       selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
+       selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
+
        xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
                param_escape(id), true);
-       xmlhttp.onreadystatechange=labellist_callback;
+       xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
 
 }
@@ -385,11 +427,14 @@ function editUser(id) {
                return
        }
 
-       active_user = id;
+       notify_progress("Loading, please wait...");
+
+       selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
+       selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 
        xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
                param_escape(id), true);
-       xmlhttp.onreadystatechange=userlist_callback;
+       xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
 
 }
@@ -401,13 +446,16 @@ function editFilter(id) {
                return
        }
 
-       active_filter = id;
+       notify_progress("Loading, please wait...");
 
-       xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" +
-               param_escape(id), true);
-       xmlhttp.onreadystatechange=filterlist_callback;
-       xmlhttp.send(null);
+       document.getElementById("create_filter_btn").disabled = true;
 
+       selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
+       selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
+
+       xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
+       xmlhttp.onreadystatechange=infobox_callback;
+       xmlhttp.send(null);
 }
 
 function editFeed(feed) {
@@ -419,21 +467,22 @@ function editFeed(feed) {
                return
        }
 
-       active_feed = feed;
+       notify_progress("Loading, please wait...");
 
-/*     xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=edit&id=" +
-               param_escape(feed), true);
-       xmlhttp.onreadystatechange=feedlist_callback;
-       xmlhttp.send(null); */
+       document.getElementById("subscribe_to_feed_btn").disabled = true;
 
-       selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
-//     selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-'+feed, 'FRCHK-'+feed, 
-//             true, false);
+       try {
+               document.getElementById("top25_feeds_btn").disabled = true;
+       } catch (e) {
+               // this button is not always available, no-op if not found
+       }
 
+       // clean selection from all rows & select row being edited
+       selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
        selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 
        xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
-               param_escape(active_feed), true);
+               param_escape(feed), true);
 
        xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
@@ -447,11 +496,13 @@ function editFeedCat(cat) {
                return
        }
 
+       notify_progress("Loading, please wait...");
+
        active_feed_cat = cat;
 
-       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCat&id=" +
+       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
                param_escape(cat), true);
-       xmlhttp.onreadystatechange=feedlist_callback;
+       xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
 
 }
@@ -476,36 +527,27 @@ function getSelectedFeedCats() {
        return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 }
 
+function getSelectedFeedsFromBrowser() {
 
-function readSelectedFeeds(read) {
-
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
-       var sel_rows = getSelectedFeeds();
+       var list = document.getElementById("browseFeedList");
+       if (!list) list = document.getElementById("browseBigFeedList");
 
-       if (sel_rows.length > 0) {
+       var selected = new Array();
+       
+       for (i = 0; i < list.childNodes.length; i++) {
+               var child = list.childNodes[i];
+               if (child.id && child.id.match("FBROW-")) {
+                       var id = child.id.replace("FBROW-", "");
+                       
+                       var cb = document.getElementById("FBCHK-" + id);
 
-               if (!read) {
-                       op = "unread";
-               } else {
-                       op = "read";
+                       if (cb.checked) {
+                               selected.push(id);
+                       }
                }
-
-               notify("Marking selected feeds as " + op + "...");
-
-               xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=" + op + "&ids="+
-                       param_escape(sel_rows.toString()), true);
-               xmlhttp.onreadystatechange=notify_callback;
-               xmlhttp.send(null);
-
-       } else {
-
-               notify("Please select some feeds first.");
-
        }
+
+       return selected;
 }
 
 function removeSelectedLabels() {
@@ -519,10 +561,10 @@ function removeSelectedLabels() {
 
        if (sel_rows.length > 0) {
 
-               var ok = confirm("Remove selected labels?");
+               var ok = confirm(__("Remove selected labels?"));
 
                if (ok) {
-                       notify("Removing selected labels...");
+                       notify_progress("Removing selected labels...");
        
                        xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
                                param_escape(sel_rows.toString()), true);
@@ -530,8 +572,10 @@ function removeSelectedLabels() {
                        xmlhttp.send(null);
                }
        } else {
-               notify("Please select some labels first.");
+               alert(__("No labels are selected."));
        }
+
+       return false;
 }
 
 function removeSelectedUsers() {
@@ -545,10 +589,10 @@ function removeSelectedUsers() {
 
        if (sel_rows.length > 0) {
 
-               var ok = confirm("Remove selected users?");
+               var ok = confirm(__("Remove selected users?"));
 
                if (ok) {
-                       notify("Removing selected users...");
+                       notify_progress("Removing selected users...");
        
                        xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
                                param_escape(sel_rows.toString()), true);
@@ -557,8 +601,10 @@ function removeSelectedUsers() {
                }
 
        } else {
-               notify("Please select some labels first.");
+               alert(__("No users are selected."));
        }
+
+       return false;
 }
 
 function removeSelectedFilters() {
@@ -572,10 +618,10 @@ function removeSelectedFilters() {
 
        if (sel_rows.length > 0) {
 
-               var ok = confirm("Remove selected filters?");
+               var ok = confirm(__("Remove selected filters?"));
 
                if (ok) {
-                       notify("Removing selected filters...");
+                       notify_progress("Removing selected filters...");
        
                        xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
                                param_escape(sel_rows.toString()), true);
@@ -583,8 +629,10 @@ function removeSelectedFilters() {
                        xmlhttp.send(null);
                }
        } else {
-               notify("Please select some filters first.");
+               alert(__("No filters are selected."));
        }
+
+       return false;
 }
 
 
@@ -599,11 +647,11 @@ function removeSelectedFeeds() {
 
        if (sel_rows.length > 0) {
 
-               var ok = confirm("Remove selected feeds?");
+               var ok = confirm(__("Unsubscribe from selected feeds?"));
 
                if (ok) {
 
-                       notify("Removing selected feeds...");
+                       notify_progress("Unsubscribing from selected feeds...");
        
                        xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
                                param_escape(sel_rows.toString()), true);
@@ -613,10 +661,79 @@ function removeSelectedFeeds() {
 
        } else {
 
-               notify("Please select some feeds first.");
+               alert(__("No feeds are selected."));
+
+       }
+       
+       return false;
+}
+
+function clearSelectedFeeds() {
+
+       if (!xmlhttp_ready(xmlhttp)) {
+               printLockingError();
+               return
+       }
+
+       var sel_rows = getSelectedFeeds();
+
+       if (sel_rows.length > 1) {
+               alert(__("Please select only one feed."));
+               return;
+       }
+
+       if (sel_rows.length > 0) {
+
+               var ok = confirm(__("Erase all non-starred articles in selected feed?"));
+
+               if (ok) {
+                       notify_progress("Clearing selected feed...");
+                       clearFeedArticles(sel_rows[0]);
+               }
+
+       } else {
+
+               alert(__("No feeds are selected."));
+
+       }
+       
+       return false;
+}
+
+function purgeSelectedFeeds() {
 
+       if (!xmlhttp_ready(xmlhttp)) {
+               printLockingError();
+               return
        }
 
+       var sel_rows = getSelectedFeeds();
+
+       if (sel_rows.length > 0) {
+
+               var pr = prompt(__("How many days of articles to keep (0 - use default)?"), "0");
+
+               if (pr != undefined) {
+                       notify_progress("Purging selected feed...");
+
+                       var query = "backend.php?op=rpc&subop=purge&ids="+
+                               param_escape(sel_rows.toString()) + "&days=" + pr;
+
+                       debug(query);
+
+                       new Ajax.Request(query, {
+                               onComplete: function(transport) {
+                                       notify('');
+                               } });
+               }
+
+       } else {
+
+               alert(__("No feeds are selected."));
+
+       }
+       
+       return false;
 }
 
 function removeSelectedFeedCats() {
@@ -630,23 +747,24 @@ function removeSelectedFeedCats() {
 
        if (sel_rows.length > 0) {
 
-               var ok = confirm("Remove selected categories?");
+               var ok = confirm(__("Remove selected categories?"));
 
                if (ok) {
-                       notify("Removing selected categories...");
+                       notify_progress("Removing selected categories...");
        
-                       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=removeCats&ids="+
+                       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
                                param_escape(sel_rows.toString()), true);
-                       xmlhttp.onreadystatechange=feedlist_callback;
+                       xmlhttp.onreadystatechange=infobox_callback;
                        xmlhttp.send(null);
                }
 
        } else {
 
-               notify("Please select some feeds first.");
+               alert(__("No categories are selected."));
 
        }
 
+       return false;
 }
 
 function feedEditCancel() {
@@ -656,16 +774,19 @@ function feedEditCancel() {
                return
        }
 
-       closeInfoBox();
+       document.getElementById("subscribe_to_feed_btn").disabled = false;
 
-       active_feed = false;
+       try {
+               document.getElementById("top25_feeds_btn").disabled = false;
+       } catch (e) {
+               // this button is not always available, no-op if not found
+       }
 
-       notify("Operation cancelled.");
+       closeInfoBox();
 
-/*     xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
-       xmlhttp.onreadystatechange=feedlist_callback;
-       xmlhttp.send(null); */
+       selectPrefRows('feed', false); // cleanup feed selection
 
+       return false;
 }
 
 function feedCatEditCancel() {
@@ -677,75 +798,39 @@ function feedCatEditCancel() {
 
        active_feed_cat = false;
 
-       notify("Operation cancelled.");
+//     notify("Operation cancelled.");
 
-       xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
-       xmlhttp.onreadystatechange=feedlist_callback;
+       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
+       xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
 
+       return false;
 }
 
 function feedEditSave() {
 
        try {
-
-               var feed = active_feed;
        
                if (!xmlhttp_ready(xmlhttp)) {
                        printLockingError();
                        return
                }
-       
-               var link = document.getElementById("iedit_link").value;
-               var title = document.getElementById("iedit_title").value;
-               var upd_intl = document.getElementById("iedit_updintl").value;
-               var purge_intl = document.getElementById("iedit_purgintl").value;
-               var fcat = document.getElementById("iedit_fcat");
 
-               var is_pvt = document.getElementById("iedit_private");
+               // FIXME: add parameter validation
 
-               if (is_pvt) {
-                       is_pvt = is_pvt.checked;
-               }
-       
-               var fcat_id = 0;
-       
-               if (fcat) {     
-                       fcat_id = fcat[fcat.selectedIndex].id;
-               }
+               var query = Form.serialize("edit_feed_form");
 
-               var pfeed = document.getElementById("iedit_parent_feed");
-               var parent_feed_id = pfeed[pfeed.selectedIndex].id;
-       
-               if (link.length == 0) {
-                       notify("Feed link cannot be blank.");
-                       return;
-               }
-       
-               if (title.length == 0) {
-                       notify("Feed title cannot be blank.");
-                       return;
-               }
-       
-               var auth_login = document.getElementById("iedit_login").value;
-               var auth_pass = document.getElementById("iedit_pass").value;
-       
-               active_feed = false;
-       
-               notify("Saving feed...");
-
-               var query = "op=pref-feeds&subop=editSave&id=" +
-                       feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) +
-                       "&ui=" + param_escape(upd_intl) + "&pi=" + param_escape(purge_intl) +
-                       "&catid=" + param_escape(fcat_id) + "&login=" + param_escape(auth_login) +                      
-                       "&pfeed=" + param_escape(parent_feed_id) + "&pass=" + param_escape(auth_pass) +
-                       "&is_pvt=" + param_escape(is_pvt);
+               notify_progress("Saving feed...");
 
                xmlhttp.open("POST", "backend.php", true);
                xmlhttp.onreadystatechange=feedlist_callback;
                xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-               xmlhttp.send(query); 
-       
+               xmlhttp.send(query);
+
+               closeInfoBox();
+
+               return false;
+
        } catch (e) {
                exception_error("feedEditSave", e);
        } 
@@ -758,42 +843,17 @@ function feedCatEditSave() {
                return
        }
 
-       notify("Saving category...");
-
-       var cat_title = document.getElementById("iedit_title").value;
-
-       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=saveCat&id=" +
-               param_escape(active_feed_cat) + "&title=" + param_escape(cat_title), 
-               true);
-       xmlhttp.onreadystatechange=feedlist_callback;
-       xmlhttp.send(null);
-
-       active_feed_cat = false;
-
-}
+       notify_progress("Saving category...");
 
+       var query = Form.serialize("feed_cat_edit_form");
 
-function labelTest() {
-
-       var sqlexp = document.getElementById("iedit_expr").value;
-       var descr = document.getElementById("iedit_descr").value;
-
-       xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
-               param_escape(sqlexp) + "&descr=" + param_escape(descr), true);
-
+       xmlhttp.open("GET", "backend.php?" + query, true);
        xmlhttp.onreadystatechange=infobox_callback;
        xmlhttp.send(null);
 
-}
-
-function displayHelpInfobox(topic_id) {
-
-       xmlhttp.open("GET", "backend.php?op=help&tid=" +
-               param_escape(topic_id) + "&noheaders=1", true);
-
-       xmlhttp.onreadystatechange=infobox_callback;
-       xmlhttp.send(null);
+       active_feed_cat = false;
 
+       return false;
 }
 
 function labelEditCancel() {
@@ -803,14 +863,14 @@ function labelEditCancel() {
                return
        }
 
-       active_label = false;
+       document.getElementById("label_create_btn").disabled = false;
 
-       notify("Operation cancelled.");
+       active_label = false;
 
-       xmlhttp.open("GET", "backend.php?op=pref-labels", true);
-       xmlhttp.onreadystatechange=labellist_callback;
-       xmlhttp.send(null);
+       selectPrefRows('label', false); // cleanup feed selection
+       closeInfoBox();
 
+       return false;
 }
 
 function userEditCancel() {
@@ -820,14 +880,10 @@ function userEditCancel() {
                return
        }
 
-       active_user = false;
-
-       notify("Operation cancelled.");
-
-       xmlhttp.open("GET", "backend.php?op=pref-users", true);
-       xmlhttp.onreadystatechange=userlist_callback;
-       xmlhttp.send(null);
+       selectPrefRows('user', false); // cleanup feed selection
+       closeInfoBox();
 
+       return false;
 }
 
 function filterEditCancel() {
@@ -837,14 +893,12 @@ function filterEditCancel() {
                return
        }
 
-       active_filter = false;
-
-       notify("Operation cancelled.");
-
-       xmlhttp.open("GET", "backend.php?op=pref-filters", true);
-       xmlhttp.onreadystatechange=filterlist_callback;
-       xmlhttp.send(null);
+       document.getElementById("create_filter_btn").disabled = false;
+       
+       selectPrefRows('filter', false); // cleanup feed selection
+       closeInfoBox();
 
+       return false;
 }
 
 function labelEditSave() {
@@ -856,123 +910,106 @@ function labelEditSave() {
                return
        }
 
-       var sqlexp = document.getElementById("iedit_expr").value;
-       var descr = document.getElementById("iedit_descr").value;
-
-//     notify("Saving label " + sqlexp + ": " + descr);
+/*     if (!is_opera()) {
 
-       if (sqlexp.length == 0) {
-               notify("SQL expression cannot be blank.");
-               return;
-       }
+               var sql_exp = document.forms["label_edit_form"].sql_exp.value;
+               var description = document.forms["label_edit_form"].description.value;
+       
+               if (sql_exp.length == 0) {
+                       alert("SQL Expression cannot be blank.");
+                       return false;
+               }
+       
+               if (description.length == 0) {
+                       alert("Caption field cannot be blank.");
+                       return false;
+               }
+       } */
 
-       if (descr.length == 0) {
-               notify("Caption cannot be blank.");
-               return;
-       }
+       closeInfoBox();
 
-       notify("Saving label...");
+       notify_progress("Saving label...");
 
        active_label = false;
 
-       xmlhttp.open("GET", "backend.php?op=pref-labels&subop=editSave&id=" +
-               label + "&s=" + param_escape(sqlexp) + "&d=" + param_escape(descr),
-               true);
-               
+       query = Form.serialize("label_edit_form");
+
+       xmlhttp.open("GET", "backend.php?" + query, true);              
        xmlhttp.onreadystatechange=labellist_callback;
        xmlhttp.send(null);
 
+       return false;
 }
 
 function userEditSave() {
 
-       var user = active_user;
-
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-       var login = document.getElementById("iedit_ulogin").value;
-       var level = document.getElementById("iedit_ulevel").value;
-       var email = document.getElementById("iedit_email").value;
+       var login = document.forms["user_edit_form"].login.value;
 
        if (login.length == 0) {
-               notify("Login cannot be blank.");
-               return;
-       }
-
-       if (level.length == 0) {
-               notify("User level cannot be blank.");
+               alert(__("Login field cannot be blank."));
                return;
        }
+       
+       notify_progress("Saving user...");
 
-       active_user = false;
-
-       notify("Saving user...");
+       closeInfoBox();
 
-       xmlhttp.open("GET", "backend.php?op=pref-users&subop=editSave&id=" +
-               user + "&l=" + param_escape(login) + "&al=" + param_escape(level) +
-               "&e=" + param_escape(email), true);
-               
+       var query = Form.serialize("user_edit_form");
+       
+       xmlhttp.open("GET", "backend.php?" + query, true);                      
        xmlhttp.onreadystatechange=userlist_callback;
        xmlhttp.send(null);
 
+       return false;
 }
 
 
 function filterEditSave() {
 
-       var filter = active_filter;
-
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-       var regexp = document.getElementById("iedit_regexp").value;
-       var descr = document.getElementById("iedit_descr").value;
-       var match = document.getElementById("iedit_match");
-
-       var v_match = match[match.selectedIndex].text;
-
-       var feed = document.getElementById("iedit_feed");
-       var feed_id = feed[feed.selectedIndex].id;
-
-       var action = document.getElementById("iedit_filter_action");
-       var action_id = action[action.selectedIndex].id;
-
-//     notify("Saving filter " + filter + ": " + regexp + ", " + descr + ", " + match);
+/*     if (!is_opera()) {
+               var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
+       
+               if (reg_exp.length == 0) {
+                       alert("Filter expression field cannot be blank.");
+                       return;
+               }
+       } */
 
-       if (regexp.length == 0) {
-               notify("Filter expression cannot be blank.");
-               return;
-       }
+       notify_progress("Saving filter...");
 
-       active_filter = false;
+       var query = Form.serialize("filter_edit_form");
 
-       xmlhttp.open("GET", "backend.php?op=pref-filters&subop=editSave&id=" +
-               filter + "&r=" + param_escape(regexp) + "&d=" + param_escape(descr) +
-               "&m=" + param_escape(v_match) + "&fid=" + param_escape(feed_id) + 
-               "&aid=" + param_escape(action_id), true);
+       closeInfoBox();
 
-       notify("Saving filter...");
+       document.getElementById("create_filter_btn").disabled = false;
 
+       xmlhttp.open("GET", "backend.php?" + query, true);
        xmlhttp.onreadystatechange=filterlist_callback;
-       xmlhttp.send(null); 
+       xmlhttp.send(null);
 
+       return false;
 }
 
 function editSelectedLabel() {
        var rows = getSelectedLabels();
 
        if (rows.length == 0) {
-               notify("No labels are selected.");
+               alert(__("No labels are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one label.");
+               alert(__("Please select only one label."));
                return;
        }
 
@@ -986,12 +1023,12 @@ function editSelectedUser() {
        var rows = getSelectedUsers();
 
        if (rows.length == 0) {
-               notify("No users are selected.");
+               alert(__("No users are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one user.");
+               alert(__("Please select only one user."));
                return;
        }
 
@@ -1004,19 +1041,19 @@ function resetSelectedUserPass() {
        var rows = getSelectedUsers();
 
        if (rows.length == 0) {
-               notify("No users are selected.");
+               alert(__("No users are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one user.");
+               alert(__("Please select only one user."));
                return;
        }
 
-       var ok = confirm("Reset password of selected user?");
+       var ok = confirm(__("Reset password of selected user?"));
 
        if (ok) {
-               notify("Resetting password for selected user...");
+               notify_progress("Resetting password for selected user...");
        
                var id = rows[0];
        
@@ -1037,18 +1074,18 @@ function selectedUserDetails() {
        var rows = getSelectedUsers();
 
        if (rows.length == 0) {
-               notify("No users are selected.");
+               alert(__("No users are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one user.");
+               alert(__("Please select only one user."));
                return;
        }
 
-       var id = rows[0];
+       notify_progress("Loading, please wait...");
 
-       notify("");
+       var id = rows[0];
 
        xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
        xmlhttp.onreadystatechange=infobox_callback;
@@ -1066,14 +1103,14 @@ function selectedFeedDetails() {
        var rows = getSelectedFeeds();
 
        if (rows.length == 0) {
-               notify("No feeds are selected.");
+               alert(__("No feeds are selected."));
                return;
        }
 
-//     if (rows.length > 1) {
-//             notify("Please select one feed.");
-//             return;
-//     }
+       if (rows.length > 1) {
+               alert(__("Please select only one feed."));
+               return;
+       }
 
 //     var id = rows[0];
 
@@ -1090,12 +1127,12 @@ function editSelectedFilter() {
        var rows = getSelectedFilters();
 
        if (rows.length == 0) {
-               notify("No filters are selected.");
+               alert(__("No filters are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one filter.");
+               alert(__("Please select only one filter."));
                return;
        }
 
@@ -1110,12 +1147,12 @@ function editSelectedFeed() {
        var rows = getSelectedFeeds();
 
        if (rows.length == 0) {
-               notify("No feeds are selected.");
+               alert(__("No feeds are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one feed.");
+               alert(__("Please select one feed."));
                return;
        }
 
@@ -1129,12 +1166,12 @@ function editSelectedFeedCat() {
        var rows = getSelectedFeedCats();
 
        if (rows.length == 0) {
-               notify("No categories are selected.");
+               alert(__("No categories are selected."));
                return;
        }
 
        if (rows.length > 1) {
-               notify("Please select one category.");
+               alert(__("Please select only one category."));
                return;
        }
 
@@ -1144,62 +1181,15 @@ function editSelectedFeedCat() {
 
 }
 
-function piggie_callback() {
-       var piggie = document.getElementById("piggie");
-
-       piggie.style.top = piggie_top;
-       piggie.style.backgroundColor = "white";
-       piggie.style.borderWidth = "1px";
-
-       if (piggie_fwd && piggie_top < 0) {
-               setTimeout("piggie_callback()", 50);
-               piggie_top = piggie_top + 10;
-       } else if (piggie_fwd && piggie_top >= 0) {
-               piggie_fwd = false;
-               setTimeout("piggie_callback()", 50);
-       } else if (!piggie_fwd && piggie_top > -400) {
-               setTimeout("piggie_callback()", 50);
-               piggie_top = piggie_top - 10;
-       } else if (!piggie_fwd && piggie_top <= -400) {
-               piggie.style.display = "none";
-               piggie_fwd = true;
-       }
-}
-
-var piggie_opacity = 0;
-
-function piggie2_callback() {
-       var piggie = document.getElementById("piggie");
-       piggie.style.top = 0;
-       piggie.style.opacity = piggie_opacity;
-       piggie.style.backgroundColor = "transparent";
-       piggie.style.borderWidth = "0px";
-
-       if (piggie_fwd && piggie_opacity < 1) {
-               setTimeout("piggie2_callback()", 50);
-               piggie_opacity = piggie_opacity + 0.03;
-       } else if (piggie_fwd && piggie_opacity >= 1) {
-               piggie_fwd = false;
-               setTimeout("piggie2_callback()", 50);
-       } else if (!piggie_fwd && piggie_opacity > 0) {
-               setTimeout("piggie2_callback()", 50);
-               piggie_opacity = piggie_opacity - 0.03;
-       } else if (!piggie_fwd && piggie_opacity <= 0) {
-               piggie.style.display = "none";
-               piggie_fwd = true;
-       }
-}
-
 function localPiggieFunction(enable) {
        if (enable) {
+               debug("I LOVEDED IT!");
                var piggie = document.getElementById("piggie");
-               piggie.style.display = "block";
 
-               if (navigator.userAgent.match("Firefox") && Math.random(1) > 0.5) {     
-                       piggie2_callback();
-               } else {
-                       piggie_callback();
-               }
+               Element.show(piggie);
+               Position.Center(piggie);
+               Effect.Puff(piggie);
+
        }
 }
 
@@ -1208,42 +1198,36 @@ function validateOpmlImport() {
        var opml_file = document.getElementById("opml_file");
 
        if (opml_file.value.length == 0) {
-               notify("Please select OPML file to upload.");
+               alert(__("No OPML file to upload."));
                return false;
        } else {
                return true;
        }
 }
 
-function updateFilterList() {
+function updateFilterList(sort_key) {
 
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-//     document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
-
-       p_notify("Loading, please wait...");
-
-       xmlhttp.open("GET", "backend.php?op=pref-filters", true);
+       xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" + 
+               param_escape(sort_key), true);
        xmlhttp.onreadystatechange=filterlist_callback;
        xmlhttp.send(null);
 
 }
 
-function updateLabelList() {
+function updateLabelList(sort_key) {
 
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-       p_notify("Loading, please wait...");
-
-//     document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
-
-       xmlhttp.open("GET", "backend.php?op=pref-labels", true);
+       xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" + 
+               param_escape(sort_key), true);
        xmlhttp.onreadystatechange=labellist_callback;
        xmlhttp.send(null);
 }
@@ -1255,60 +1239,167 @@ function updatePrefsList() {
                return
        }
 
-       p_notify("Loading, please wait...");
-
        xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
        xmlhttp.onreadystatechange=prefslist_callback;
        xmlhttp.send(null);
 
 }
 
-function selectTab(id, noupdate) {
+function selectTab(id, noupdate, subop) {
 
 //     alert(id);
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
+       if (!id) id = active_tab;
+
+       try {
 
-       if (!noupdate) {
-
-               if (id == "feedConfig") {
-                       updateFeedList();
-               } else if (id == "filterConfig") {
-                       updateFilterList();
-               } else if (id == "labelConfig") {
-                       updateLabelList();
-               } else if (id == "genConfig") {
-                       updatePrefsList();
-               } else if (id == "userConfig") {
-                       updateUsersList();
-               } else if (id == "feedBrowser") {
-                       updateBigFeedBrowser();
+               if (!xmlhttp_ready(xmlhttp)) {
+                       printLockingError();
+                       return
                }
-       }
 
-       var tab = document.getElementById(active_tab + "Tab");
+               try {
+                       var c = document.getElementById('prefContent'); 
+                       c.scrollTop = 0;
+               } catch (e) { };
+
+               if (!noupdate) {
 
-       if (tab) {
-               if (tab.className.match("Selected")) {
-                       tab.className = "prefsTab";
+                       debug("selectTab: " + id + "(NU: " + noupdate + ")");
+       
+                       notify_progress("Loading, please wait...");
+       
+                       // close active infobox if needed
+                       closeInfoBox();
+       
+                       // clean up all current selections, just in case
+                       active_feed_cat = false;
+                       active_label = false;
+
+//                     Effect.Fade("prefContent", {duration: 1, to: 0.01, 
+//                             queue: { position:'end', scope: 'FEED_TAB', limit: 1 } } );
+
+                       if (id == "feedConfig") {
+                               updateFeedList();
+                       } else if (id == "filterConfig") {
+                               updateFilterList();
+                       } else if (id == "labelConfig") {
+                               updateLabelList();
+                       } else if (id == "genConfig") {
+                               updatePrefsList();
+                       } else if (id == "userConfig") {
+                               updateUsersList();
+                       } else if (id == "feedBrowser") {
+                               updateBigFeedBrowser();
+                       }
+               }
+       
+               var tab = document.getElementById(active_tab + "Tab");
+       
+               if (tab) {
+                       if (tab.className.match("Selected")) {
+                               tab.className = "prefsTab";
+                       }
                }
+       
+               tab = document.getElementById(id + "Tab");
+       
+               if (tab) {
+                       if (!tab.className.match("Selected")) {
+                               tab.className = tab.className + "Selected";
+                       }
+               }
+       
+               active_tab = id;
+
+       } catch (e) {
+               exception_error("selectTab", e);
        }
+}
+
+function backend_sanity_check_callback() {
+
+       if (xmlhttp.readyState == 4) {
+
+               try {
 
-       tab = document.getElementById(id + "Tab");
+                       if (sanity_check_done) {
+                               fatalError(11, "Sanity check request received twice. This can indicate "+
+                             "presence of Firebug or some other disrupting extension. "+
+                                       "Please disable it and try again.");
+                               return;
+                       }
 
-       if (tab) {
-               if (!tab.className.match("Selected")) {
-                       tab.className = tab.className + "Selected";
+                       if (!xmlhttp.responseXML) {
+                               fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
+                               return;
+                       }
+       
+                       var reply = xmlhttp.responseXML.firstChild.firstChild;
+       
+                       if (!reply) {
+                               fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
+                               return;
+                       }
+       
+                       var error_code = reply.getAttribute("error-code");
+               
+                       if (error_code && error_code != 0) {
+                               return fatalError(error_code, reply.getAttribute("error-msg"));
+                       }
+       
+                       debug("sanity check ok");
+
+                       var params = reply.nextSibling;
+
+                       if (params) {
+                               debug('reading init-params...');
+                               var param = params.firstChild;
+
+                               while (param) {
+                                       var k = param.getAttribute("key");
+                                       var v = param.getAttribute("value");
+                                       debug(k + " => " + v);
+                                       init_params[k] = v;                                     
+                                       param = param.nextSibling;
+                               }
+                       }
+
+                       sanity_check_done = true;
+
+                       init_second_stage();
+
+               } catch (e) {
+                       exception_error("backend_sanity_check_callback", e);
                }
-       }
+       } 
+}
+
+function init_second_stage() {
+
+       try {
+               active_tab = getInitParam("prefs_active_tab");
+               if (!active_tab || active_tab == '0') active_tab = "genConfig";
 
-       active_tab = id;
+               document.onkeydown = pref_hotkey_handler;
 
-       setCookie('ttrss_pref_acttab', active_tab);
+               var tab = getURLParam('tab');
+               
+               caller_subop = getURLParam('subop');
+
+               if (tab) {
+                       active_tab = tab;
+               }
 
+               if (navigator.userAgent.match("Opera")) {       
+                       setTimeout("selectTab()", 500);
+               } else {
+                       selectTab(active_tab);
+               }
+               notify("");
+       } catch (e) {
+               exception_error("init_second_stage", e);
+       }
 }
 
 function init() {
@@ -1318,6 +1409,11 @@ function init() {
                if (arguments.callee.done) return;
                arguments.callee.done = true;           
 
+               if (getURLParam('debug')) {
+                       document.getElementById('debug_output').style.display = 'block';
+                       debug('debug mode activated');
+               }
+
                // IE kludge
                if (!xmlhttp) {
                        document.getElementById("prefContent").innerHTML = 
@@ -1326,28 +1422,15 @@ function init() {
                        return;
                }
 
-               active_tab = getCookie("ttrss_pref_acttab");
-               if (!active_tab) active_tab = "genConfig";
-               selectTab(active_tab);
-       
-               document.onkeydown = hotkey_handler;
-               notify("");
+               xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
+               xmlhttp.onreadystatechange=backend_sanity_check_callback;
+               xmlhttp.send(null);
+
        } catch (e) {
                exception_error("init", e);
        }
 }
 
-function closeInfoBox() {
-       var box = document.getElementById('infoBox');
-       var shadow = document.getElementById('infoBoxShadow');
-
-       if (shadow) {
-               shadow.style.display = "none";
-       } else if (box) {
-               box.style.display = "none";
-       }
-}
-
 function categorizeSelectedFeeds() {
 
        if (!xmlhttp_ready(xmlhttp)) {
@@ -1358,11 +1441,11 @@ function categorizeSelectedFeeds() {
        var sel_rows = getSelectedFeeds();
 
        var cat_sel = document.getElementById("sfeed_set_fcat");
-       var cat_id = cat_sel[cat_sel.selectedIndex].id;
+       var cat_id = cat_sel[cat_sel.selectedIndex].value;
 
        if (sel_rows.length > 0) {
 
-               notify("Changing category of selected feeds...");
+               notify_progress("Changing category of selected feeds...");
 
                xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
                        param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
@@ -1371,17 +1454,37 @@ function categorizeSelectedFeeds() {
 
        } else {
 
-               notify("Please select some feeds first.");
+               alert(__("No feeds are selected."));
 
        }
 
 }
 
 function validatePrefsReset() {
-       return confirm("Reset to defaults?");
+       try {
+               var ok = confirm(__("Reset to defaults?"));
+
+               if (ok) {
+
+                       var query = Form.serialize("pref_prefs_form");
+                       query = query + "&subop=reset-config";
+                       debug(query);
+
+                       xmlhttp.open("POST", "backend.php", true);
+                       xmlhttp.onreadystatechange=prefs_reset_callback;
+                       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+                       xmlhttp.send(query);
+               }
+
+       } catch (e) {
+               exception_error("validatePrefsSave", e);
+       }
+
+       return false;
+
 }
 
-function browseFeeds() {
+function browseFeeds(limit) {
 
        xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
        xmlhttp.onreadystatechange=infobox_callback;
@@ -1391,24 +1494,8 @@ function browseFeeds() {
 
 function feedBrowserSubscribe() {
        try {
-               var list = document.getElementById("browseFeedList");
-
-               if (!list) list = document.getElementById("browseBigFeedList");
 
-               var selected = new Array();
-
-               for (i = 0; i < list.childNodes.length; i++) {
-                       var child = list.childNodes[i];
-                       if (child.id && child.id.match("FBROW-")) {
-                               var id = child.id.replace("FBROW-", "");
-                               
-                               var cb = document.getElementById("FBCHK-" + id);
-
-                               if (cb.checked) {
-                                       selected.push(id);
-                               }
-                       }
-               }
+               var selected = getSelectedFeedsFromBrowser();
 
                if (selected.length > 0) {
                        closeInfoBox();
@@ -1417,7 +1504,7 @@ function feedBrowserSubscribe() {
                        xmlhttp.onreadystatechange=feedlist_callback;
                        xmlhttp.send(null);
                } else {
-                       alert("No feeds are selected.");
+                       alert(__("No feeds are selected."));
                }
 
        } catch (e) {
@@ -1425,19 +1512,25 @@ function feedBrowserSubscribe() {
        }
 }
 
-function updateBigFeedBrowser() {
+function updateBigFeedBrowser(limit) {
 
        if (!xmlhttp_ready(xmlhttp)) {
                printLockingError();
                return
        }
 
-       p_notify("Loading, please wait...");
+       var query = "backend.php?op=pref-feed-browser";
+
+       var limit_sel = document.getElementById("feedBrowserLimit");
 
-       xmlhttp.open("GET", "backend.php?op=pref-feed-browser", true);
+       if (limit_sel) {
+               var limit = limit_sel[limit_sel.selectedIndex].value;
+               query = query + "&limit=" + param_escape(limit);
+       }
+
+       xmlhttp.open("GET", query, true);
        xmlhttp.onreadystatechange=feed_browser_callback;
        xmlhttp.send(null);
-
 }
 
 function browserToggleExpand(id) {
@@ -1447,13 +1540,20 @@ function browserToggleExpand(id) {
                        d.style.display = "none";
                } */
 
-               var d = document.getElementById("BRDET-" + id);
+               if (!xmlhttp_ready(xmlhttp)) {
+                       printLockingError();
+                       return
+               }
 
-               if (d.style.display == "block") {               
-                       d.style.display = "none";
-                       
-               } else {
+/*             if (feed_to_expand && id != feed_to_expand) {
+                       Effect.Fade('BRDET-' + feed_to_expand, {duration : 0.5});
+               } */
+
+               var d = document.getElementById("BRDET-" + id);
        
+               if (Element.visible(d)) {
+                       Effect.Fade(d, {duration : 0.5});
+               } else {
                        feed_to_expand = id;
 
                        xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
@@ -1463,6 +1563,353 @@ function browserToggleExpand(id) {
                }
 
        } catch (e) {
-               exception_error("browserExpand", e);
+               exception_error("browserToggleExpand", e);
+       }
+}
+
+function selectPrefRows(kind, select) {
+
+       if (kind) {
+               var opbarid = false;    
+               var nchk = false;
+               var nrow = false;
+               var lname = false;
+
+               if (kind == "feed") {
+                       opbarid = "feedOpToolbar";
+                       nrow = "FEEDR-";
+                       nchk = "FRCHK-";                        
+                       lname = "prefFeedList";
+               } else if (kind == "fcat") {
+                       opbarid = "catOpToolbar";
+                       nrow = "FCATR-";
+                       nchk = "FCCHK-";
+                       lname = "prefFeedCatList";
+               } else if (kind == "filter") {
+                       opbarid = "filterOpToolbar";
+                       nrow = "FILRR-";
+                       nchk = "FICHK-";
+                       lname = "prefFilterList";
+               } else if (kind == "label") {
+                       opbarid = "labelOpToolbar";
+                       nrow = "LILRR-";
+                       nchk = "LICHK-";
+                       lname = "prefLabelList";
+               } else if (kind == "user") {
+                       opbarid = "userOpToolbar";
+                       nrow = "UMRR-";
+                       nchk = "UMCHK-";
+                       lname = "prefUserList";
+               }
+
+               if (opbarid) {
+                       selectTableRowsByIdPrefix(lname, nrow, nchk, select);
+                       disableContainerChildren(opbarid, !select);
+               }
+
+       } 
+}
+
+
+function toggleSelectPrefRow(sender, kind) {
+
+       toggleSelectRow(sender);
+
+       if (kind) {
+               var opbarid = false;    
+               var nsel = -1;
+               
+               if (kind == "feed") {
+                       opbarid = "feedOpToolbar";
+                       nsel = getSelectedFeeds();
+               } else if (kind == "fcat") {
+                       opbarid = "catOpToolbar";
+                       nsel = getSelectedFeedCats();
+               } else if (kind == "filter") {
+                       opbarid = "filterOpToolbar";
+                       nsel = getSelectedFilters();
+               } else if (kind == "label") {
+                       opbarid = "labelOpToolbar";
+                       nsel = getSelectedLabels();
+               } else if (kind == "user") {
+                       opbarid = "userOpToolbar";
+                       nsel = getSelectedUsers();
+               }
+
+               if (opbarid && nsel != -1) {
+                       disableContainerChildren(opbarid, nsel == false);
+               }
+
+       } 
+}
+
+function toggleSelectFBListRow(sender) {
+       toggleSelectListRow(sender);
+       disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
+}
+
+var seq = "";
+
+function pref_hotkey_handler(e) {
+       try {
+
+               var keycode;
+       
+               if (!hotkeys_enabled) return;
+       
+               if (window.event) {
+                       keycode = window.event.keyCode;
+               } else if (e) {
+                       keycode = e.which;
+               }
+       
+               if (keycode == 13 || keycode == 27) {
+                       seq = "";
+               } else {
+                       seq = seq + "" + keycode;
+               }
+
+
+       if (document.getElementById("piggie")) {
+       
+               if (seq.match("807371717369")) {
+                       seq = "";
+                       localPiggieFunction(true);
+               } else {
+                       localPiggieFunction(false);
+               }
+       }
+
+       } catch (e) {
+               exception_error("pref_hotkey_handler", e);
+       }
+}
+
+function editFeedCats() {
+       if (!xmlhttp_ready(xmlhttp)) {
+               printLockingError();
+               return
+       }
+
+       document.getElementById("subscribe_to_feed_btn").disabled = true;
+
+       try {
+               document.getElementById("top25_feeds_btn").disabled = true;
+       } catch (e) {
+               // this button is not always available, no-op if not found
        }
+
+       xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
+       xmlhttp.onreadystatechange=infobox_feed_cat_callback;
+       xmlhttp.send(null);
+}
+
+function showFeedsWithErrors() {
+       displayDlg('feedUpdateErrors');
 }
+
+function changeUserPassword() {
+
+       try {
+
+               if (!xmlhttp_ready(xmlhttp)) {
+                       printLockingError();
+                       return false;
+               }
+       
+               var f = document.forms["change_pass_form"];
+
+               if (f) {
+                       if (f.OLD_PASSWORD.value == "") {
+                               new Effect.Highlight(f.OLD_PASSWORD);
+                               notify_error("Old password cannot be blank.");
+                               return false;
+                       }
+
+                       if (f.NEW_PASSWORD.value == "") {
+                               new Effect.Highlight(f.NEW_PASSWORD);
+                               notify_error("New password cannot be blank.");
+                               return false;
+                       }
+
+                       if (f.CONFIRM_PASSWORD.value == "") {
+                               new Effect.Highlight(f.CONFIRM_PASSWORD);
+                               notify_error("Entered passwords do not match.");
+                               return false;
+                       }
+
+                       if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
+                               new Effect.Highlight(f.CONFIRM_PASSWORD);
+                               new Effect.Highlight(f.NEW_PASSWORD);
+                               notify_error("Entered passwords do not match.");
+                               return false;
+                       }
+
+               }
+
+               var query = Form.serialize("change_pass_form");
+       
+               notify_progress("Trying to change password...");
+       
+               xmlhttp.open("POST", "backend.php", true);
+               xmlhttp.onreadystatechange=changepass_callback;
+               xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+               xmlhttp.send(query);
+
+       } catch (e) {
+               exception_error("changeUserPassword", e);
+       }
+       
+       return false;
+}
+
+function changeUserEmail() {
+
+       try {
+
+               if (!xmlhttp_ready(xmlhttp)) {
+                       printLockingError();
+                       return false;
+               }
+       
+               var query = Form.serialize("change_email_form");
+       
+               notify_progress("Trying to change e-mail...");
+       
+               xmlhttp.open("POST", "backend.php", true);
+               xmlhttp.onreadystatechange=notify_callback;
+               xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+               xmlhttp.send(query);
+
+       } catch (e) {
+               exception_error("changeUserPassword", e);
+       }
+       
+       return false;
+
+}
+
+function feedlistToggleSLAT() {
+       notify_progress("Loading, please wait...");
+       updateFeedList()
+}
+
+function pubRegenKey() {
+
+       if (!xmlhttp_ready(xmlhttp)) {
+               printLockingError();
+               return false;
+       }
+
+       var ok = confirm(__("Replace current publishing address with a new one?"));
+
+       if (ok) {
+
+               notify_progress("Trying to change address...");
+
+               xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
+               xmlhttp.onreadystatechange=replace_pubkey_callback;
+               xmlhttp.send(null);
+       }
+
+       return false;
+}
+
+function pubToClipboard() {
+
+       try {
+
+               if (!xmlhttp_ready(xmlhttp)) {
+                       printLockingError();
+                       return false;
+               }
+       
+               var link = document.getElementById("pubGenAddress");
+               alert(link.href);
+
+       } catch (e) {
+               exception_error("pubToClipboard", e);
+       }
+
+       return false; 
+}
+
+function validatePrefsSave() {
+       try {
+
+               var ok = confirm(__("Save current configuration?"));
+
+               if (ok) {
+
+                       var query = Form.serialize("pref_prefs_form");
+                       query = query + "&subop=save-config";
+                       debug(query);
+
+                       xmlhttp.open("POST", "backend.php", true);
+                       xmlhttp.onreadystatechange=notify_callback;
+                       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+                       xmlhttp.send(query);
+               }
+
+       } catch (e) {
+               exception_error("validatePrefsSave", e);
+       }
+
+       return false;
+}
+
+function feedActionChange() {
+       try {
+               var chooser = document.getElementById("feedActionChooser");
+               var opid = chooser[chooser.selectedIndex].value;
+
+               chooser.selectedIndex = 0;
+               feedActionGo(opid);
+       } catch (e) {
+               exception_error("feedActionChange", e);
+       }
+}
+
+function feedActionGo(op) {    
+       try {
+               if (op == "facEdit") {
+                       editSelectedFeed();
+               }
+
+               if (op == "facClear") {
+                       clearSelectedFeeds();
+               }
+
+               if (op == "facPurge") {
+                       purgeSelectedFeeds();
+               }
+
+               if (op == "facEditCats") {
+                       editFeedCats();
+               }
+
+               if (op == "facUnsubscribe") {
+                       removeSelectedFeeds();
+               }
+
+       } catch (e) {
+               exception_error("feedActionGo", e);
+
+       }
+}
+
+function clearFeedArticles(feed_id) {
+
+       notify_progress("Clearing feed...");
+
+       var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
+
+       new Ajax.Request(query, {
+               onComplete: function(transport) {
+                               notify('');
+                       } });
+
+       return false;
+}
+
+