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prefs: reorganize toolbar buttons
[tt-rss.git] / prefs.js
diff --git a/prefs.js b/prefs.js
index 3a43851df6344b39051429c596a831629ac7ee82..8bacbfddb7b532fdb3219d13f46f23989c525030 100644 (file)
--- a/prefs.js
+++ b/prefs.js
@@ -6,6 +6,7 @@ var init_params = new Array();
 var caller_subop = false;
 var sanity_check_done = false;
 var hotkey_prefix = false;
+var hotkey_prefix_pressed = false;
 
 var color_picker_active = false;
 var selection_disabled = false;
@@ -13,7 +14,7 @@ var mouse_is_down = false;
 
 function replace_pubkey_callback(transport) {
        try {   
-               var link = document.getElementById("pubGenAddress");
+               var link = $("pubGenAddress");
 
                if (transport.responseXML) {
 
@@ -42,7 +43,7 @@ function feedlist_callback2(transport) {
 
        try {   
 
-               var container = document.getElementById('prefContent'); 
+               var container = $('prefContent');       
                container.innerHTML=transport.responseText;
                selectTab("feedConfig", true);
 
@@ -72,7 +73,7 @@ function dlg_frefresh_callback(transport) {
 }
 
 function filterlist_callback2(transport) {
-       var container = document.getElementById('prefContent');
+       var container = $('prefContent');
        container.innerHTML=transport.responseText;
        if (typeof correctPNG != 'undefined') {
                correctPNG();
@@ -83,8 +84,8 @@ function filterlist_callback2(transport) {
 
 function init_label_inline_editor() {
        try {
-               if (document.getElementById("prefLabelList")) {
-                       var elems = document.getElementById("prefLabelList").getElementsByTagName("SPAN");
+               if ($("prefLabelList")) {
+                       var elems = $("prefLabelList").getElementsByTagName("SPAN");
 
                        for (var i = 0; i < elems.length; i++) {
                                if (elems[i].id && elems[i].id.match("LILT-")) {
@@ -108,7 +109,7 @@ function labellist_callback2(transport) {
 
        try {
 
-               var container = document.getElementById('prefContent');
+               var container = $('prefContent');
                        closeInfoBox();
                        container.innerHTML=transport.responseText;
 
@@ -127,7 +128,7 @@ function labellist_callback2(transport) {
 
 function userlist_callback2(transport) {
        try {
-               var container = document.getElementById('prefContent');
+               var container = $('prefContent');
                if (transport.readyState == 4) {
                        container.innerHTML=transport.responseText;
                        notify("");
@@ -140,7 +141,7 @@ function userlist_callback2(transport) {
 
 function prefslist_callback2(transport) {
        try {
-               var container = document.getElementById('prefContent');
+               var container = $('prefContent');
                container.innerHTML=transport.responseText;
                notify("");
                remove_splash();
@@ -170,7 +171,7 @@ function changepass_callback2(transport) {
                                notify_error(transport.responseText.replace("ERROR: ", ""));
                        } else {
                                notify_info(transport.responseText);
-                               var warn = document.getElementById("default_pass_warning");
+                               var warn = $("default_pass_warning");
                                if (warn) warn.style.display = "none";
                        }
        
@@ -184,8 +185,8 @@ function changepass_callback2(transport) {
 function init_cat_inline_editor() {
        try {
 
-               if (document.getElementById("prefFeedCatList")) {
-                       var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
+               if ($("prefFeedCatList")) {
+                       var elems = $("prefFeedCatList").getElementsByTagName("SPAN");
 
                        for (var i = 0; i < elems.length; i++) {
                                if (elems[i].id && elems[i].id.match("FCATT-")) {
@@ -214,23 +215,24 @@ function updateFeedList(sort_key) {
 
        try {
 
-       var feed_search = document.getElementById("feed_search");
+       var feed_search = $("feed_search");
        var search = "";
        if (feed_search) { search = feed_search.value; }
 
-       var slat = document.getElementById("show_last_article_times");
+       var slat = $("show_last_article_times");
 
        var slat_checked = false;
        if (slat) {
                slat_checked = slat.checked;
        }
 
-       var query = "backend.php?op=pref-feeds" +
+       var query = "?op=pref-feeds" +
                "&sort=" + param_escape(sort_key) + 
                "&slat=" + param_escape(slat_checked) +
                "&search=" + param_escape(search);
 
-       new Ajax.Request(query, {
+       new Ajax.Request("backend.php", {
+               parameters: query,
                onComplete: function(transport) { 
                        feedlist_callback2(transport); 
                } });
@@ -243,15 +245,16 @@ function updateUsersList(sort_key) {
 
        try {
 
-               var user_search = document.getElementById("user_search");
+               var user_search = $("user_search");
                var search = "";
                if (user_search) { search = user_search.value; }
        
-               var query = "backend.php?op=pref-users&sort="
+               var query = "?op=pref-users&sort="
                        + param_escape(sort_key) +
                        "&search=" + param_escape(search);
        
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) { 
                                userlist_callback2(transport); 
                        } });
@@ -279,10 +282,11 @@ function addLabel() {
                // we can be called from some other tab
                active_tab = "labelConfig";
        
-               query = "backend.php?op=pref-labels&subop=add&caption=" + 
+               query = "?op=pref-labels&subop=add&caption=" + 
                        param_escape(caption);
        
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_submit_callback2(transport);
                                } });
@@ -296,7 +300,7 @@ function addFeed() {
 
        try {
 
-               var link = document.getElementById("fadd_link");
+               var link = $("fadd_link");
        
                if (link.value.length == 0) {
                        alert(__("Error: No feed URL given."));
@@ -305,10 +309,11 @@ function addFeed() {
                } else {
                        notify_progress("Adding feed...");
        
-                       var query = "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
+                       var query = "?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
                                param_escape(link.value);
        
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                feedlist_callback2(transport);
                                        } });
@@ -325,17 +330,18 @@ function addFeed() {
 
 function addFeedCat() {
 
-       var cat = document.getElementById("fadd_cat");
+       var cat = $("fadd_cat");
 
        if (cat.value.length == 0) {
                alert(__("Can't add category: no name specified."));
        } else {
                notify_progress("Adding feed category...");
 
-               var query = "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
+               var query = "?op=pref-feeds&subop=editCats&action=add&cat=" +
                        param_escape(cat.value);
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_feed_cat_callback2(transport);
                                } });
@@ -362,10 +368,11 @@ function addUser() {
        
                notify_progress("Adding user...");
        
-               var query = "backend.php?op=pref-users&subop=add&login=" +
+               var query = "?op=pref-users&subop=add&login=" +
                        param_escape(login);
                                
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) { 
                                userlist_callback2(transport); 
                        } });
@@ -388,10 +395,11 @@ function editUser(id) {
 
                disableContainerChildren("userOpToolbar", false);
 
-               var query = "backend.php?op=pref-users&subop=edit&id=" +
+               var query = "?op=pref-users&subop=edit&id=" +
                        param_escape(id);
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_callback2(transport);
                                } });
@@ -415,10 +423,11 @@ function editFilter(id) {
                selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
                selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 
-               var query = "backend.php?op=pref-filters&subop=edit&id=" + 
+               var query = "?op=pref-filters&subop=edit&id=" + 
                        param_escape(id);
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_callback2(transport);
                                } });
@@ -441,10 +450,11 @@ function editFeed(feed) {
        
                disableContainerChildren("feedOpToolbar", false);
        
-               var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
+               var query = "?op=pref-feeds&subop=editfeed&id=" +
                        param_escape(feed);
        
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_callback2(transport);
                                } });
@@ -486,10 +496,11 @@ function removeSelectedLabels() {
                if (ok) {
                        notify_progress("Removing selected labels...");
        
-                       var query = "backend.php?op=pref-labels&subop=remove&ids="+
+                       var query = "?op=pref-labels&subop=remove&ids="+
                                param_escape(sel_rows.toString());
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                labellist_callback2(transport);
                                        } });
@@ -515,10 +526,11 @@ function removeSelectedUsers() {
                        if (ok) {
                                notify_progress("Removing selected users...");
                
-                               var query = "backend.php?op=pref-users&subop=remove&ids="+
+                               var query = "?op=pref-users&subop=remove&ids="+
                                        param_escape(sel_rows.toString());
        
-                               new Ajax.Request(query, {
+                               new Ajax.Request("backend.php", {
+                                       parameters: query,
                                        onComplete: function(transport) { 
                                                userlist_callback2(transport); 
                                        } });
@@ -549,10 +561,11 @@ function removeSelectedFilters() {
                        if (ok) {
                                notify_progress("Removing selected filters...");
                
-                               var query = "backend.php?op=pref-filters&subop=remove&ids="+
+                               var query = "?op=pref-filters&subop=remove&ids="+
                                        param_escape(sel_rows.toString());
        
-                               new Ajax.Request(query, {
+                               new Ajax.Request("backend.php", {
+                                               parameters: query,
                                                onComplete: function(transport) {
                                                                filterlist_callback2(transport);
                                        } });
@@ -584,10 +597,11 @@ function removeSelectedFeeds() {
        
                                notify_progress("Unsubscribing from selected feeds...");
                
-                               var query = "backend.php?op=pref-feeds&subop=remove&ids="+
+                               var query = "?op=pref-feeds&subop=remove&ids="+
                                        param_escape(sel_rows.toString());
        
-                               new Ajax.Request(query, {
+                               new Ajax.Request("backend.php", {
+                                       parameters: query,
                                        onComplete: function(transport) {
                                                        feedlist_callback2(transport);
                                                } });
@@ -642,12 +656,13 @@ function purgeSelectedFeeds() {
                if (pr != undefined) {
                        notify_progress("Purging selected feed...");
 
-                       var query = "backend.php?op=rpc&subop=purge&ids="+
+                       var query = "?op=rpc&subop=purge&ids="+
                                param_escape(sel_rows.toString()) + "&days=" + pr;
 
                        debug(query);
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("prefs.php",   {
+                               parameters: query,
                                onComplete: function(transport) {
                                        notify('');
                                } });
@@ -673,10 +688,11 @@ function removeSelectedFeedCats() {
                if (ok) {
                        notify_progress("Removing selected categories...");
        
-                       var query = "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
+                       var query = "?op=pref-feeds&subop=editCats&action=remove&ids="+
                                param_escape(sel_rows.toString());
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                        infobox_feed_cat_callback2(transport);
                                } });
@@ -695,8 +711,8 @@ function removeSelectedFeedCats() {
 function feedEditCancel() {
 
        try {
-               document.getElementById("subscribe_to_feed_btn").disabled = false;
-               document.getElementById("top25_feeds_btn").disabled = false;
+               $("subscribe_to_feed_btn").disabled = false;
+               $("top25_feeds_btn").disabled = false;
        } catch (e) {
                // this button is not always available, no-op if not found
        }
@@ -744,7 +760,7 @@ function userEditCancel() {
 function filterEditCancel() {
 
        try {
-               document.getElementById("create_filter_btn").disabled = false;
+               $("create_filter_btn").disabled = false;
                selectPrefRows('filter', false); // cleanup feed selection
        } catch (e) { }
 
@@ -791,13 +807,14 @@ function filterEditSave() {
 
                notify_progress("Saving filter...");
        
-               var query = "backend.php?" + Form.serialize("filter_edit_form");
+               var query = "?" + Form.serialize("filter_edit_form");
        
                closeInfoBox();
        
-               document.getElementById("create_filter_btn").disabled = false;
+               $("create_filter_btn").disabled = false;
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                filterlist_callback2(transport);
                        } });
@@ -851,10 +868,11 @@ function resetSelectedUserPass() {
                
                        var id = rows[0];
                
-                       var query = "backend.php?op=pref-users&subop=resetPass&id=" +
+                       var query = "?op=pref-users&subop=resetPass&id=" +
                                param_escape(id);
        
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) { 
                                        userlist_callback2(transport); 
                                } });
@@ -886,9 +904,10 @@ function selectedUserDetails() {
        
                var id = rows[0];
        
-               var query = "backend.php?op=pref-users&subop=user-details&id=" + id;
+               var query = "?op=pref-users&subop=user-details&id=" + id;
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_callback2(transport);
                                } });
@@ -927,8 +946,7 @@ function editSelectedFeed() {
        }
 
        if (rows.length > 1) {
-               alert(__("Please select one feed."));
-               return;
+               return editSelectedFeeds();
        }
 
        notify("");
@@ -953,10 +971,11 @@ function editSelectedFeeds() {
        
                notify_progress("Loading, please wait...");
        
-               var query = "backend.php?op=pref-feeds&subop=editfeeds&ids=" +
+               var query = "?op=pref-feeds&subop=editfeeds&ids=" +
                        param_escape(rows.toString());
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        infobox_callback2(transport);
                                } });
@@ -969,7 +988,7 @@ function editSelectedFeeds() {
 function piggie(enable) {
        if (enable) {
                debug("I LOVEDED IT!");
-               var piggie = document.getElementById("piggie");
+               var piggie = $("piggie");
 
                Element.show(piggie);
                Position.Center(piggie);
@@ -980,7 +999,7 @@ function piggie(enable) {
 
 function validateOpmlImport() {
        
-       var opml_file = document.getElementById("opml_file");
+       var opml_file = $("opml_file");
 
        if (opml_file.value.length == 0) {
                alert(__("No OPML file to upload."));
@@ -993,15 +1012,16 @@ function validateOpmlImport() {
 function updateFilterList(sort_key) {
        try {
 
-               var filter_search = document.getElementById("filter_search");
+               var filter_search = $("filter_search");
                var search = "";
                if (filter_search) { search = filter_search.value; }
        
-               var query = "backend.php?op=pref-filters&sort=" + 
+               var query = "?op=pref-filters&sort=" + 
                        param_escape(sort_key) + 
                        "&search=" + param_escape(search);
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                filterlist_callback2(transport);
                        } });
@@ -1016,15 +1036,16 @@ function updateLabelList(sort_key) {
 
        try {
 
-               var label_search = document.getElementById("label_search");
+               var label_search = $("label_search");
                var search = "";
                if (label_search) { search = label_search.value; }
        
-               var query = "backend.php?op=pref-labels&sort=" + 
+               var query = "?op=pref-labels&sort=" + 
                        param_escape(sort_key) +
                        "&search=" + param_escape(search);
        
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                labellist_callback2(transport);
                        } });
@@ -1036,9 +1057,10 @@ function updateLabelList(sort_key) {
 
 function updatePrefsList() {
 
-       var query = "backend.php?op=pref-prefs";
+       var query = "?op=pref-prefs";
 
-       new Ajax.Request(query, {
+       new Ajax.Request("backend.php", {
+               parameters: query,
                onComplete: function(transport) { 
                        prefslist_callback2(transport); 
                } });
@@ -1054,8 +1076,10 @@ function selectTab(id, noupdate, subop) {
        try {
 
                try {
-                       var c = document.getElementById('prefContent'); 
-                       c.scrollTop = 0;
+                       if (id != active_tab) {
+                               var c = $('prefContent');       
+                               c.scrollTop = 0;
+                       }
                } catch (e) { };
 
                if (!noupdate) {
@@ -1088,7 +1112,7 @@ function selectTab(id, noupdate, subop) {
 
                /* clean selection from all tabs */
        
-               var tabs_holder = document.getElementById("prefTabs");
+               var tabs_holder = $("prefTabs");
                var tab = tabs_holder.firstChild;
 
                while (tab) {
@@ -1100,7 +1124,7 @@ function selectTab(id, noupdate, subop) {
 
                /* mark new tab as selected */
 
-               tab = document.getElementById(id + "Tab");
+               tab = $(id + "Tab");
        
                if (tab) {
                        if (!tab.className.match("Selected")) {
@@ -1175,7 +1199,7 @@ function init_second_stage() {
 
        try {
                active_tab = getInitParam("prefs_active_tab");
-               if (!document.getElementById(active_tab+"Tab")) active_tab = "genConfig";
+               if (!$(active_tab+"Tab")) active_tab = "genConfig";
                if (!active_tab || active_tab == '0') active_tab = "genConfig";
 
                document.onkeydown = pref_hotkey_handler;
@@ -1203,6 +1227,8 @@ function init_second_stage() {
 
                loading_set_progress(60);
 
+               setTimeout("hotkey_prefix_timeout()", 5*1000);
+
        } catch (e) {
                exception_error("init_second_stage", e);
        }
@@ -1212,9 +1238,6 @@ function init() {
 
        try {
        
-               if (arguments.callee.done) return;
-               arguments.callee.done = true;           
-
                if (getURLParam('debug')) {
                        Element.show("debug_output");
                        debug('debug mode activated');
@@ -1222,9 +1245,10 @@ function init() {
 
                loading_set_progress(30);
 
-               var query = "backend.php?op=rpc&subop=sanityCheck";
+               var query = "?op=rpc&subop=sanityCheck";
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) { 
                                backend_sanity_check_callback2(transport);
                        } });
@@ -1238,17 +1262,18 @@ function categorizeSelectedFeeds() {
 
        var sel_rows = getSelectedFeeds();
 
-       var cat_sel = document.getElementById("sfeed_set_fcat");
+       var cat_sel = $("sfeed_set_fcat");
        var cat_id = cat_sel[cat_sel.selectedIndex].value;
 
        if (sel_rows.length > 0) {
 
                notify_progress("Changing category of selected feeds...");
 
-               var query = "backend.php?op=pref-feeds&subop=categorize&ids="+
+               var query = "?op=pref-feeds&subop=categorize&ids="+
                        param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id);
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) { 
                                feedlist_callback2(transport); 
                        } });
@@ -1292,13 +1317,18 @@ function feedBrowserSubscribe() {
 
                var selected = getSelectedFeedsFromBrowser();
 
+               var mode = document.forms['feed_browser'].mode;
+
+               mode = mode[mode.selectedIndex].value;
+
                if (selected.length > 0) {
                        closeInfoBox();
 
-                       var query = "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
-                               param_escape(selected.toString());
+                       var query = "?op=pref-feeds&subop=massSubscribe&ids="+
+                               param_escape(selected.toString()) + "&mode=" + param_escape(mode);
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) { 
                                        feedlist_callback2(transport); 
                                } });
@@ -1406,6 +1436,8 @@ function pref_hotkey_handler(e) {
                var keycode;
                var shift_key = false;
 
+               var cmdline = $('cmdline');
+
                try {
                        shift_key = e.shiftKey;
                } catch (e) {
@@ -1438,6 +1470,15 @@ function pref_hotkey_handler(e) {
 
                if ((keycode == 67 || keycode == 71) && !hotkey_prefix) {
                        hotkey_prefix = keycode;
+
+                       var date = new Date();
+                       var ts = Math.round(date.getTime() / 1000);
+
+                       hotkey_prefix_pressed = ts;
+
+                       cmdline.innerHTML = keychar;
+                       Element.show(cmdline);
+
                        debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
                        return;
                }
@@ -1454,6 +1495,8 @@ function pref_hotkey_handler(e) {
 
                /* Global hotkeys */
 
+               Element.hide(cmdline);
+
                if (!hotkey_prefix) {
 
                        if (keycode == 68 && shift_key) { // d
@@ -1481,7 +1524,7 @@ function pref_hotkey_handler(e) {
                                        "feed_search", "filter_search", "user_search", "feed_browser_search");
 
                                for (var i = 0; i < search_boxes.length; i++) {
-                                       var elem = document.getElementById(search_boxes[i]);
+                                       var elem = $(search_boxes[i]);
                                        if (elem) {
                                                focus_element(search_boxes[i]);
                                                return false;
@@ -1532,27 +1575,27 @@ function pref_hotkey_handler(e) {
 
                        hotkey_prefix = false;
 
-                       if (keycode == 49 && document.getElementById("genConfigTab")) { // 1
+                       if (keycode == 49 && $("genConfigTab")) { // 1
                                selectTab("genConfig");
                                return false;
                        }
 
-                       if (keycode == 50 && document.getElementById("feedConfigTab")) { // 2
+                       if (keycode == 50 && $("feedConfigTab")) { // 2
                                selectTab("feedConfig");
                                return false;
                        }
 
-                       if (keycode == 51 && document.getElementById("filterConfigTab")) { // 4
+                       if (keycode == 51 && $("filterConfigTab")) { // 4
                                selectTab("filterConfig");
                                return false;
                        }
 
-                       if (keycode == 52 && document.getElementById("labelConfigTab")) { // 5
+                       if (keycode == 52 && $("labelConfigTab")) { // 5
                                selectTab("labelConfig");
                                return false;
                        }
 
-                       if (keycode == 53 && document.getElementById("userConfigTab")) { // 6
+                       if (keycode == 53 && $("userConfigTab")) { // 6
                                selectTab("userConfig");
                                return false;
                        }
@@ -1563,7 +1606,7 @@ function pref_hotkey_handler(e) {
 
                }
 
-               if (document.getElementById("piggie")) {
+               if ($("piggie")) {
        
                        if (seq.match("807371717369")) {
                                seq = "";
@@ -1586,17 +1629,18 @@ function pref_hotkey_handler(e) {
 
 function editFeedCats() {
        try {
-               document.getElementById("subscribe_to_feed_btn").disabled = true;
+               $("subscribe_to_feed_btn").disabled = true;
        
                try {
-                       document.getElementById("top25_feeds_btn").disabled = true;
+                       $("top25_feeds_btn").disabled = true;
                } catch (e) {
                        // this button is not always available, no-op if not found
                }
        
-               var query = "backend.php?op=pref-feeds&subop=editCats";
+               var query = "?op=pref-feeds&subop=editCats";
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                infobox_feed_cat_callback2(transport);
                        } });
@@ -1696,9 +1740,10 @@ function pubRegenKey() {
 
                notify_progress("Trying to change address...");
 
-               var query = "backend.php?op=rpc&subop=regenPubKey";
+               var query = "?op=rpc&subop=regenPubKey";
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        replace_pubkey_callback(transport);
                                } });
@@ -1736,7 +1781,7 @@ function validatePrefsSave() {
 
 function feedActionChange() {
        try {
-               var chooser = document.getElementById("feedActionChooser");
+               var chooser = $("feedActionChooser");
                var opid = chooser[chooser.selectedIndex].value;
 
                chooser.selectedIndex = 0;
@@ -1789,9 +1834,10 @@ function clearFeedArticles(feed_id) {
 
        notify_progress("Clearing feed...");
 
-       var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
+       var query = "?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
 
-       new Ajax.Request(query, {
+       new Ajax.Request("backend.php", {
+               parameters: query,
                onComplete: function(transport) {
                                notify('');
                        } });
@@ -1811,10 +1857,11 @@ function rescoreSelectedFeeds() {
                if (ok) {
                        notify_progress("Rescoring selected feeds...", true);
        
-                       var query = "backend.php?op=pref-feeds&subop=rescore&quiet=1&ids="+
+                       var query = "?op=pref-feeds&subop=rescore&quiet=1&ids="+
                                param_escape(sel_rows.toString());
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                notify_callback2(transport);
                        } });
@@ -1833,9 +1880,10 @@ function rescore_all_feeds() {
        if (ok) {
                notify_progress("Rescoring feeds...", true);
 
-               var query = "backend.php?op=pref-feeds&subop=rescoreAll&quiet=1";
+               var query = "?op=pref-feeds&subop=rescoreAll&quiet=1";
 
-               new Ajax.Request(query, {
+               new Ajax.Request("backend.php", {
+                       parameters: query,
                        onComplete: function(transport) {
                                        notify_callback2(transport);
                } });
@@ -1855,10 +1903,11 @@ function removeFilter(id, title) {
        
                        notify_progress("Removing filter...");
                
-                       var query = "backend.php?op=pref-filters&subop=remove&ids="+
+                       var query = "?op=pref-filters&subop=remove&ids="+
                                param_escape(id);
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                filterlist_callback2(transport);
                        } });
@@ -1885,10 +1934,11 @@ function unsubscribeFeed(id, title) {
        
                        notify_progress("Removing feed...");
                
-                       var query = "backend.php?op=pref-feeds&subop=remove&ids="+
+                       var query = "?op=pref-feeds&subop=remove&ids="+
                                param_escape(id);
        
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                                       parameters: query,
                                        onComplete: function(transport) {
                                                        feedlist_callback2(transport);
                                } });
@@ -1961,7 +2011,7 @@ function feedsEditSave() {
 function batchFeedsToggleField(cb, elem, label) {
        try {
                var f = document.forms["batch_edit_feed_form"];
-               var l = document.getElementById(label);
+               var l = $(label);
 
                if (cb.checked) {
                        f[elem].disabled = false;
@@ -1994,10 +2044,11 @@ function labelColorReset() {
 
                if (ok) {
 
-                       var query = "backend.php?op=pref-labels&subop=color-reset&ids="+
+                       var query = "?op=pref-labels&subop=color-reset&ids="+
                                param_escape(labels.toString());
 
-                       new Ajax.Request(query, {
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
                                onComplete: function(transport) {
                                                labellist_callback2(transport);
                                        } });
@@ -2021,12 +2072,12 @@ function labelColorAsk(id, kind) {
 
                if (p != null) {
 
-                       var query = "backend.php?op=pref-labels&subop=color-set&kind=" + kind +
+                       var query = "?op=pref-labels&subop=color-set&kind=" + kind +
                                "&ids="+        param_escape(id) + "&color=" + param_escape(p);
 
                        selectPrefRows('label', false);
 
-                       var e = document.getElementById("LICID-" + id);
+                       var e = $("LICID-" + id);
 
                        if (e) {                
                                if (kind == "fg") {
@@ -2036,7 +2087,7 @@ function labelColorAsk(id, kind) {
                                }
                        }
 
-                       new Ajax.Request(query);
+                       new Ajax.Request("backend.php", { parameters: query });
                }
 
        } catch (e) {
@@ -2047,7 +2098,7 @@ function labelColorAsk(id, kind) {
 
 function colorPicker(id, fg, bg) {
        try {
-               var picker = document.getElementById("colorPicker-" + id);
+               var picker = $("colorPicker-" + id);
 
                if (picker) Element.show(picker);
 
@@ -2058,9 +2109,9 @@ function colorPicker(id, fg, bg) {
 
 function colorPickerHideAll() {
        try {
-               if (document.getElementById("prefLabelList")) {
+               if ($("prefLabelList")) {
 
-                       var elems = document.getElementById("prefLabelList").getElementsByTagName("DIV");
+                       var elems = $("prefLabelList").getElementsByTagName("DIV");
 
                        for (var i = 0; i < elems.length; i++) {
                                if (elems[i].id && elems[i].id.match("colorPicker-")) {
@@ -2077,18 +2128,18 @@ function colorPickerHideAll() {
 function colorPickerDo(id, fg, bg) {
        try {
 
-               var query = "backend.php?op=pref-labels&subop=color-set&kind=both"+
+               var query = "?op=pref-labels&subop=color-set&kind=both"+
                        "&ids=" + param_escape(id) + "&fg=" + param_escape(fg) + 
                        "&bg=" + param_escape(bg);
 
-               var e = document.getElementById("LICID-" + id);
+               var e = $("LICID-" + id);
 
                if (e) {                
                        e.style.color = fg;
                        e.style.backgroundColor = bg;
                }
 
-               new Ajax.Request(query);
+               new Ajax.Request("backend.php", { parameters: query });
 
        } catch (e) {
                exception_error("colorPickerDo", e);
@@ -2103,7 +2154,7 @@ function mouse_down_handler(e) {
        try {
 
                /* do not prevent right click */
-               if (e.button && e.button == 2) return;
+               if (e && e.button && e.button == 2) return;
 
                if (selection_disabled) {
                        document.onselectstart = function() { return false; };
@@ -2111,7 +2162,7 @@ function mouse_down_handler(e) {
                }
 
        } catch (e) {
-               exception_error("mouse_move_handler", e);
+               exception_error("mouse_down_handler", e);
        }
 }
 
@@ -2128,7 +2179,7 @@ function mouse_up_handler(e) {
                }
 
        } catch (e) {
-               exception_error("mouse_move_handler", e);
+               exception_error("mouse_up_handler", e);
        }
 }
 
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