prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed_cat = false;
   4 var active_label = false;
   5 var active_tab = false;
   6 var feed_to_expand = false;
   7
   8 var xmlhttp = Ajax.getTransport();
   9
  10 var init_params = new Array();
  11
  12 var caller_subop = false;
  13
  14 var sanity_check_done = false;
  15
  16 function replace_pubkey_callback() {
  17         if (xmlhttp.readyState == 4) {
  18                 try {
  19                         var link = document.getElementById("pubGenAddress");
  20
  21                         if (xmlhttp.responseXML) {
  22
  23                                 var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
  24
  25                                 if (new_link) {
  26                                         link.href = new_link.firstChild.nodeValue;
  27                                         link.innerHTML = new_link.firstChild.nodeValue;
  28
  29                                         new Effect.Highlight(link);
  30
  31                                         notify_info("Address changed.");
  32                                 } else {
  33                                         notify_error("Could not change address.");
  34                                 }
  35
  36                         } else {
  37                                 notify_error("Could not change address.");
  38                         }
  39                 } catch (e) {
  40                         exception_error("replace_pubkey_callback", e);
  41                 }
  42         }
  43 }
  44
  45 function expand_feed_callback() {
  46         if (xmlhttp.readyState == 4) {
  47                 try {
  48                         var container = document.getElementById("BRDET-" + feed_to_expand);
  49                         container.innerHTML=xmlhttp.responseText;
  50 //                      container.style.display = "block";
  51                         Effect.Appear(container, {duration : 0.5});
  52                 } catch (e) {
  53                         exception_error("expand_feed_callback", e);
  54                 }
  55         }
  56 }
  57
  58 function feedlist_callback() {
  59         if (xmlhttp.readyState == 4) {
  60                 try {
  61                         var container = document.getElementById('prefContent');
  62                         container.innerHTML=xmlhttp.responseText;
  63                         selectTab("feedConfig", true);
  64
  65                         if (caller_subop) {
  66                                 var tuple = caller_subop.split(":");
  67                                 if (tuple[0] == 'editFeed') {
  68                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  69                                 }
  70
  71                                 caller_subop = false;
  72                         }
  73                         if (typeof correctPNG != 'undefined') {
  74                                 correctPNG();
  75                         }
  76                         notify("");
  77                 } catch (e) {
  78                         exception_error("feedlist_callback", e);
  79                 }
  80         }
  81 }
  82
  83 /* stub for subscription dialog */
  84
  85 function dlg_frefresh_callback() {
  86         if (xmlhttp.readyState == 4) {
  87         //      setTimeout("updateFeedList()", 500);
  88
  89                 try {
  90                         var container = document.getElementById('prefContent');
  91                         container.innerHTML=xmlhttp.responseText;
  92                         selectTab("feedConfig", true);
  93
  94                         if (caller_subop) {
  95                                 var tuple = caller_subop.split(":");
  96                                 if (tuple[0] == 'editFeed') {
  97                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  98                                 }
  99
 100                                 caller_subop = false;
 101                         }
 102                         if (typeof correctPNG != 'undefined') {
 103                                 correctPNG();
 104                         }
 105                         notify("");
 106                 } catch (e) {
 107                         exception_error("feedlist_callback", e);
 108                 }
 109         }
 110 }
 111
 112 function filterlist_callback() {
 113         var container = document.getElementById('prefContent');
 114         if (xmlhttp.readyState == 4) {
 115                 container.innerHTML=xmlhttp.responseText;
 116                 if (typeof correctPNG != 'undefined') {
 117                         correctPNG();
 118                 }
 119                 notify("");
 120         }
 121 }
 122
 123 function labellist_callback() {
 124         var container = document.getElementById('prefContent');
 125         if (xmlhttp.readyState == 4) {
 126                 closeInfoBox();
 127                 container.innerHTML=xmlhttp.responseText;
 128                 if (active_label) {
 129                         var row = document.getElementById("LILRR-" + active_label);
 130                         if (row) {
 131                                 if (!row.className.match("Selected")) {
 132                                         row.className = row.className + "Selected";
 133                                 }
 134                         }
 135                         var checkbox = document.getElementById("LICHK-" + active_label);
 136
 137                         if (checkbox) {
 138                                 checkbox.checked = true;
 139                         }
 140                 }
 141                 if (typeof correctPNG != 'undefined') {
 142                         correctPNG();
 143                 }
 144                 notify("");
 145         }
 146 }
 147
 148 function feed_browser_callback() {
 149         var container = document.getElementById('prefContent');
 150         if (xmlhttp.readyState == 4) {
 151                 container.innerHTML=xmlhttp.responseText;
 152                 notify("");
 153         }
 154 }
 155
 156 function userlist_callback() {
 157         var container = document.getElementById('prefContent');
 158         if (xmlhttp.readyState == 4) {
 159                 container.innerHTML=xmlhttp.responseText;
 160                 notify("");
 161         }
 162 }
 163
 164 function prefslist_callback() {
 165         var container = document.getElementById('prefContent');
 166         if (xmlhttp.readyState == 4) {
 167
 168                 container.innerHTML=xmlhttp.responseText;
 169
 170                 notify("");
 171         }
 172 }
 173
 174 function gethelp_callback() {
 175         var container = document.getElementById('prefHelpBox');
 176         if (xmlhttp.readyState == 4) {
 177
 178                 container.innerHTML = xmlhttp.responseText;
 179                 container.style.display = "block";
 180
 181         }
 182 }
 183
 184 function notify_callback() {
 185         if (xmlhttp.readyState == 4) {
 186                 notify_info(xmlhttp.responseText);
 187         }
 188 }
 189
 190 function prefs_reset_callback() {
 191         if (xmlhttp.readyState == 4) {
 192                 notify_info(xmlhttp.responseText);
 193                 selectTab();
 194         }
 195 }
 196
 197
 198 function changepass_callback() {
 199         try {
 200                 if (xmlhttp.readyState == 4) {
 201
 202                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 203                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 204                         } else {
 205                                 notify_info(xmlhttp.responseText);
 206                                 var warn = document.getElementById("default_pass_warning");
 207                                 if (warn) warn.style.display = "none";
 208                         }
 209
 210                         document.forms['change_pass_form'].reset();
 211
 212                 }
 213         } catch (e) {
 214                 exception_error("changepass_callback", e);
 215         }
 216 }
 217
 218 function infobox_feed_cat_callback() {
 219         if (xmlhttp.readyState == 4) {
 220                 try {
 221
 222                         infobox_callback();
 223
 224                         if (document.getElementById("prefFeedCatList")) {
 225                                 var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
 226
 227                                 for (var i = 0; i < elems.length; i++) {
 228                                         if (elems[i].id && elems[i].id.match("FCATT-")) {
 229                                                 var cat_id = elems[i].id.replace("FCATT-", "");
 230
 231                                                 new Ajax.InPlaceEditor(elems[i],
 232                                                         'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
 233                                         }
 234                                 }
 235                         }
 236
 237                 } catch (e) {
 238                         exception_error("infobox_feed_cat_callback", e);
 239                 }
 240         }
 241 }
 242
 243 function updateFeedList(sort_key) {
 244
 245         if (!xmlhttp_ready(xmlhttp)) {
 246                 printLockingError();
 247                 return
 248         }
 249
 250         var feed_search = document.getElementById("feed_search");
 251         var search = "";
 252         if (feed_search) { search = feed_search.value; }
 253
 254         var slat = document.getElementById("show_last_article_times");
 255
 256         var slat_checked = false;
 257         if (slat) {
 258                 slat_checked = slat.checked;
 259         }
 260
 261         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 262                 "&sort=" + param_escape(sort_key) +
 263                 "&slat=" + param_escape(slat_checked) +
 264                 "&search=" + param_escape(search), true);
 265         xmlhttp.onreadystatechange=feedlist_callback;
 266         xmlhttp.send(null);
 267
 268 }
 269
 270 function updateUsersList(sort_key) {
 271
 272         if (!xmlhttp_ready(xmlhttp)) {
 273                 printLockingError();
 274                 return
 275         }
 276
 277         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 278                 + param_escape(sort_key), true);
 279         xmlhttp.onreadystatechange=userlist_callback;
 280         xmlhttp.send(null);
 281
 282 }
 283
 284 function addLabel() {
 285
 286         if (!xmlhttp_ready(xmlhttp)) {
 287                 printLockingError();
 288                 return
 289         }
 290
 291         var form = document.forms['label_edit_form'];
 292
 293         var sql_exp = form.sql_exp.value;
 294         var description = form.description.value;
 295
 296         if (sql_exp == "") {
 297                 alert(__("Can't create label: missing SQL expression."));
 298                 return false;
 299         }
 300
 301         if (description == "") {
 302                 alert(__("Can't create label: missing caption."));
 303                 return false;
 304         }
 305
 306         var query = Form.serialize("label_edit_form");
 307
 308         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 309         xmlhttp.onreadystatechange=infobox_submit_callback;
 310         xmlhttp.send(null);
 311 }
 312
 313 function addFeed() {
 314
 315         if (!xmlhttp_ready(xmlhttp)) {
 316                 printLockingError();
 317                 return
 318         }
 319
 320         var link = document.getElementById("fadd_link");
 321
 322         if (link.value.length == 0) {
 323                 alert(__("Error: No feed URL given."));
 324         } else if (!isValidURL(link.value)) {
 325                 alert(__("Error: Invalid feed URL."));
 326         } else {
 327                 notify_progress("Adding feed...");
 328
 329                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 330                         param_escape(link.value), true);
 331                 xmlhttp.onreadystatechange=feedlist_callback;
 332                 xmlhttp.send(null);
 333
 334                 link.value = "";
 335
 336         }
 337
 338 }
 339
 340 function addFeedCat() {
 341
 342         if (!xmlhttp_ready(xmlhttp)) {
 343                 printLockingError();
 344                 return
 345         }
 346
 347         var cat = document.getElementById("fadd_cat");
 348
 349         if (cat.value.length == 0) {
 350                 alert(__("Can't add category: no name specified."));
 351         } else {
 352                 notify_progress("Adding feed category...");
 353
 354                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 355                         param_escape(cat.value), true);
 356                 xmlhttp.onreadystatechange=infobox_callback;
 357                 xmlhttp.send(null);
 358
 359                 link.value = "";
 360
 361         }
 362
 363 }
 364 function addUser() {
 365
 366         if (!xmlhttp_ready(xmlhttp)) {
 367                 printLockingError();
 368                 return
 369         }
 370
 371         var sqlexp = document.getElementById("uadd_box");
 372
 373         if (sqlexp.value.length == 0) {
 374                 alert(__("Can't add user: no login specified."));
 375         } else {
 376                 notify_progress("Adding user...");
 377
 378                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 379                         param_escape(sqlexp.value), true);
 380
 381                 xmlhttp.onreadystatechange=userlist_callback;
 382                 xmlhttp.send(null);
 383
 384                 sqlexp.value = "";
 385         }
 386
 387 }
 388
 389 function editLabel(id) {
 390
 391         if (!xmlhttp_ready(xmlhttp)) {
 392                 printLockingError();
 393                 return
 394         }
 395
 396         notify_progress("Loading, please wait...");
 397
 398         document.getElementById("label_create_btn").disabled = true;
 399
 400         active_label = id;
 401
 402         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 403         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 404
 405         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 406                 param_escape(id), true);
 407         xmlhttp.onreadystatechange=infobox_callback;
 408         xmlhttp.send(null);
 409
 410 }
 411
 412 function editUser(id) {
 413
 414         if (!xmlhttp_ready(xmlhttp)) {
 415                 printLockingError();
 416                 return
 417         }
 418
 419         notify_progress("Loading, please wait...");
 420
 421         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 422         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 423
 424         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 425                 param_escape(id), true);
 426         xmlhttp.onreadystatechange=infobox_callback;
 427         xmlhttp.send(null);
 428
 429 }
 430
 431 function editFilter(id) {
 432
 433         if (!xmlhttp_ready(xmlhttp)) {
 434                 printLockingError();
 435                 return
 436         }
 437
 438         notify_progress("Loading, please wait...");
 439
 440         document.getElementById("create_filter_btn").disabled = true;
 441
 442         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 443         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 444
 445         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 446         xmlhttp.onreadystatechange=infobox_callback;
 447         xmlhttp.send(null);
 448 }
 449
 450 function editFeed(feed) {
 451
 452 //      notify("Editing feed...");
 453
 454         if (!xmlhttp_ready(xmlhttp)) {
 455                 printLockingError();
 456                 return
 457         }
 458
 459         notify_progress("Loading, please wait...");
 460
 461         document.getElementById("subscribe_to_feed_btn").disabled = true;
 462
 463         try {
 464                 document.getElementById("top25_feeds_btn").disabled = true;
 465         } catch (e) {
 466                 // this button is not always available, no-op if not found
 467         }
 468
 469         // clean selection from all rows & select row being edited
 470         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 471         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 472
 473         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 474                 param_escape(feed), true);
 475
 476         xmlhttp.onreadystatechange=infobox_callback;
 477         xmlhttp.send(null);
 478
 479 }
 480
 481 function editFeedCat(cat) {
 482
 483         if (!xmlhttp_ready(xmlhttp)) {
 484                 printLockingError();
 485                 return
 486         }
 487
 488         notify_progress("Loading, please wait...");
 489
 490         active_feed_cat = cat;
 491
 492         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 493                 param_escape(cat), true);
 494         xmlhttp.onreadystatechange=infobox_callback;
 495         xmlhttp.send(null);
 496
 497 }
 498
 499 function getSelectedLabels() {
 500         return getSelectedTableRowIds("prefLabelList", "LILRR");
 501 }
 502
 503 function getSelectedUsers() {
 504         return getSelectedTableRowIds("prefUserList", "UMRR");
 505 }
 506
 507 function getSelectedFeeds() {
 508         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 509 }
 510
 511 function getSelectedFilters() {
 512         return getSelectedTableRowIds("prefFilterList", "FILRR");
 513 }
 514
 515 function getSelectedFeedCats() {
 516         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 517 }
 518
 519 function getSelectedFeedsFromBrowser() {
 520
 521         var list = document.getElementById("browseFeedList");
 522         if (!list) list = document.getElementById("browseBigFeedList");
 523
 524         var selected = new Array();
 525
 526         for (i = 0; i < list.childNodes.length; i++) {
 527                 var child = list.childNodes[i];
 528                 if (child.id && child.id.match("FBROW-")) {
 529                         var id = child.id.replace("FBROW-", "");
 530
 531                         var cb = document.getElementById("FBCHK-" + id);
 532
 533                         if (cb.checked) {
 534                                 selected.push(id);
 535                         }
 536                 }
 537         }
 538
 539         return selected;
 540 }
 541
 542 function removeSelectedLabels() {
 543
 544         if (!xmlhttp_ready(xmlhttp)) {
 545                 printLockingError();
 546                 return
 547         }
 548
 549         var sel_rows = getSelectedLabels();
 550
 551         if (sel_rows.length > 0) {
 552
 553                 var ok = confirm(__("Remove selected labels?"));
 554
 555                 if (ok) {
 556                         notify_progress("Removing selected labels...");
 557
 558                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 559                                 param_escape(sel_rows.toString()), true);
 560                         xmlhttp.onreadystatechange=labellist_callback;
 561                         xmlhttp.send(null);
 562                 }
 563         } else {
 564                 alert(__("No labels are selected."));
 565         }
 566
 567         return false;
 568 }
 569
 570 function removeSelectedUsers() {
 571
 572         if (!xmlhttp_ready(xmlhttp)) {
 573                 printLockingError();
 574                 return
 575         }
 576
 577         var sel_rows = getSelectedUsers();
 578
 579         if (sel_rows.length > 0) {
 580
 581                 var ok = confirm(__("Remove selected users?"));
 582
 583                 if (ok) {
 584                         notify_progress("Removing selected users...");
 585
 586                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 587                                 param_escape(sel_rows.toString()), true);
 588                         xmlhttp.onreadystatechange=userlist_callback;
 589                         xmlhttp.send(null);
 590                 }
 591
 592         } else {
 593                 alert(__("No users are selected."));
 594         }
 595
 596         return false;
 597 }
 598
 599 function removeSelectedFilters() {
 600
 601         if (!xmlhttp_ready(xmlhttp)) {
 602                 printLockingError();
 603                 return
 604         }
 605
 606         var sel_rows = getSelectedFilters();
 607
 608         if (sel_rows.length > 0) {
 609
 610                 var ok = confirm(__("Remove selected filters?"));
 611
 612                 if (ok) {
 613                         notify_progress("Removing selected filters...");
 614
 615                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 616                                 param_escape(sel_rows.toString()), true);
 617                         xmlhttp.onreadystatechange=filterlist_callback;
 618                         xmlhttp.send(null);
 619                 }
 620         } else {
 621                 alert(__("No filters are selected."));
 622         }
 623
 624         return false;
 625 }
 626
 627
 628 function removeSelectedFeeds() {
 629
 630         if (!xmlhttp_ready(xmlhttp)) {
 631                 printLockingError();
 632                 return
 633         }
 634
 635         var sel_rows = getSelectedFeeds();
 636
 637         if (sel_rows.length > 0) {
 638
 639                 var ok = confirm(__("Unsubscribe from selected feeds?"));
 640
 641                 if (ok) {
 642
 643                         notify_progress("Unsubscribing from selected feeds...");
 644
 645                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 646                                 param_escape(sel_rows.toString()), true);
 647                         xmlhttp.onreadystatechange=feedlist_callback;
 648                         xmlhttp.send(null);
 649                 }
 650
 651         } else {
 652
 653                 alert(__("No feeds are selected."));
 654
 655         }
 656
 657         return false;
 658 }
 659
 660 function removeSelectedFeedCats() {
 661
 662         if (!xmlhttp_ready(xmlhttp)) {
 663                 printLockingError();
 664                 return
 665         }
 666
 667         var sel_rows = getSelectedFeedCats();
 668
 669         if (sel_rows.length > 0) {
 670
 671                 var ok = confirm(__("Remove selected categories?"));
 672
 673                 if (ok) {
 674                         notify_progress("Removing selected categories...");
 675
 676                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 677                                 param_escape(sel_rows.toString()), true);
 678                         xmlhttp.onreadystatechange=infobox_callback;
 679                         xmlhttp.send(null);
 680                 }
 681
 682         } else {
 683
 684                 alert(__("No categories are selected."));
 685
 686         }
 687
 688         return false;
 689 }
 690
 691 function feedEditCancel() {
 692
 693         if (!xmlhttp_ready(xmlhttp)) {
 694                 printLockingError();
 695                 return
 696         }
 697
 698         document.getElementById("subscribe_to_feed_btn").disabled = false;
 699
 700         try {
 701                 document.getElementById("top25_feeds_btn").disabled = false;
 702         } catch (e) {
 703                 // this button is not always available, no-op if not found
 704         }
 705
 706         closeInfoBox();
 707
 708         selectPrefRows('feed', false); // cleanup feed selection
 709
 710         return false;
 711 }
 712
 713 function feedCatEditCancel() {
 714
 715         if (!xmlhttp_ready(xmlhttp)) {
 716                 printLockingError();
 717                 return
 718         }
 719
 720         active_feed_cat = false;
 721
 722 //      notify("Operation cancelled.");
 723
 724         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 725         xmlhttp.onreadystatechange=infobox_callback;
 726         xmlhttp.send(null);
 727
 728         return false;
 729 }
 730
 731 function feedEditSave() {
 732
 733         try {
 734
 735                 if (!xmlhttp_ready(xmlhttp)) {
 736                         printLockingError();
 737                         return
 738                 }
 739
 740                 // FIXME: add parameter validation
 741
 742                 var query = Form.serialize("edit_feed_form");
 743
 744                 notify_progress("Saving feed...");
 745
 746                 xmlhttp.open("POST", "backend.php", true);
 747                 xmlhttp.onreadystatechange=feedlist_callback;
 748                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 749                 xmlhttp.send(query);
 750
 751                 closeInfoBox();
 752
 753                 return false;
 754
 755         } catch (e) {
 756                 exception_error("feedEditSave", e);
 757         }
 758 }
 759
 760 function feedCatEditSave() {
 761
 762         if (!xmlhttp_ready(xmlhttp)) {
 763                 printLockingError();
 764                 return
 765         }
 766
 767         notify_progress("Saving category...");
 768
 769         var query = Form.serialize("feed_cat_edit_form");
 770
 771         xmlhttp.open("GET", "backend.php?" + query, true);
 772         xmlhttp.onreadystatechange=infobox_callback;
 773         xmlhttp.send(null);
 774
 775         active_feed_cat = false;
 776
 777         return false;
 778 }
 779
 780
 781
 782 function displayHelpInfobox(topic_id) {
 783
 784         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 785
 786         var w = window.open(url, "ttrss_help",
 787                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 788
 789 }
 790
 791 function labelEditCancel() {
 792
 793         if (!xmlhttp_ready(xmlhttp)) {
 794                 printLockingError();
 795                 return
 796         }
 797
 798         document.getElementById("label_create_btn").disabled = false;
 799
 800         active_label = false;
 801
 802         selectPrefRows('label', false); // cleanup feed selection
 803         closeInfoBox();
 804
 805         return false;
 806 }
 807
 808 function userEditCancel() {
 809
 810         if (!xmlhttp_ready(xmlhttp)) {
 811                 printLockingError();
 812                 return
 813         }
 814
 815         selectPrefRows('user', false); // cleanup feed selection
 816         closeInfoBox();
 817
 818         return false;
 819 }
 820
 821 function filterEditCancel() {
 822
 823         if (!xmlhttp_ready(xmlhttp)) {
 824                 printLockingError();
 825                 return
 826         }
 827
 828         document.getElementById("create_filter_btn").disabled = false;
 829
 830         selectPrefRows('filter', false); // cleanup feed selection
 831         closeInfoBox();
 832
 833         return false;
 834 }
 835
 836 function labelEditSave() {
 837
 838         var label = active_label;
 839
 840         if (!xmlhttp_ready(xmlhttp)) {
 841                 printLockingError();
 842                 return
 843         }
 844
 845 /*      if (!is_opera()) {
 846
 847                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 848                 var description = document.forms["label_edit_form"].description.value;
 849
 850                 if (sql_exp.length == 0) {
 851                         alert("SQL Expression cannot be blank.");
 852                         return false;
 853                 }
 854
 855                 if (description.length == 0) {
 856                         alert("Caption field cannot be blank.");
 857                         return false;
 858                 }
 859         } */
 860
 861         closeInfoBox();
 862
 863         notify_progress("Saving label...");
 864
 865         active_label = false;
 866
 867         query = Form.serialize("label_edit_form");
 868
 869         xmlhttp.open("GET", "backend.php?" + query, true);
 870         xmlhttp.onreadystatechange=labellist_callback;
 871         xmlhttp.send(null);
 872
 873         return false;
 874 }
 875
 876 function userEditSave() {
 877
 878         if (!xmlhttp_ready(xmlhttp)) {
 879                 printLockingError();
 880                 return
 881         }
 882
 883         var login = document.forms["user_edit_form"].login.value;
 884
 885         if (login.length == 0) {
 886                 alert(__("Login field cannot be blank."));
 887                 return;
 888         }
 889
 890         notify_progress("Saving user...");
 891
 892         closeInfoBox();
 893
 894         var query = Form.serialize("user_edit_form");
 895
 896         xmlhttp.open("GET", "backend.php?" + query, true);
 897         xmlhttp.onreadystatechange=userlist_callback;
 898         xmlhttp.send(null);
 899
 900         return false;
 901 }
 902
 903
 904 function filterEditSave() {
 905
 906         if (!xmlhttp_ready(xmlhttp)) {
 907                 printLockingError();
 908                 return
 909         }
 910
 911 /*      if (!is_opera()) {
 912                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 913
 914                 if (reg_exp.length == 0) {
 915                         alert("Filter expression field cannot be blank.");
 916                         return;
 917                 }
 918         } */
 919
 920         notify_progress("Saving filter...");
 921
 922         var query = Form.serialize("filter_edit_form");
 923
 924         closeInfoBox();
 925
 926         document.getElementById("create_filter_btn").disabled = false;
 927
 928         xmlhttp.open("GET", "backend.php?" + query, true);
 929         xmlhttp.onreadystatechange=filterlist_callback;
 930         xmlhttp.send(null);
 931
 932         return false;
 933 }
 934
 935 function editSelectedLabel() {
 936         var rows = getSelectedLabels();
 937
 938         if (rows.length == 0) {
 939                 alert(__("No labels are selected."));
 940                 return;
 941         }
 942
 943         if (rows.length > 1) {
 944                 alert(__("Please select only one label."));
 945                 return;
 946         }
 947
 948         notify("");
 949
 950         editLabel(rows[0]);
 951
 952 }
 953
 954 function editSelectedUser() {
 955         var rows = getSelectedUsers();
 956
 957         if (rows.length == 0) {
 958                 alert(__("No users are selected."));
 959                 return;
 960         }
 961
 962         if (rows.length > 1) {
 963                 alert(__("Please select only one user."));
 964                 return;
 965         }
 966
 967         notify("");
 968
 969         editUser(rows[0]);
 970 }
 971
 972 function resetSelectedUserPass() {
 973         var rows = getSelectedUsers();
 974
 975         if (rows.length == 0) {
 976                 alert(__("No users are selected."));
 977                 return;
 978         }
 979
 980         if (rows.length > 1) {
 981                 alert(__("Please select only one user."));
 982                 return;
 983         }
 984
 985         var ok = confirm(__("Reset password of selected user?"));
 986
 987         if (ok) {
 988                 notify_progress("Resetting password for selected user...");
 989
 990                 var id = rows[0];
 991
 992                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 993                         param_escape(id), true);
 994                 xmlhttp.onreadystatechange=userlist_callback;
 995                 xmlhttp.send(null);
 996         }
 997 }
 998
 999 function selectedUserDetails() {
1000
1001         if (!xmlhttp_ready(xmlhttp)) {
1002                 printLockingError();
1003                 return
1004         }
1005
1006         var rows = getSelectedUsers();
1007
1008         if (rows.length == 0) {
1009                 alert(__("No users are selected."));
1010                 return;
1011         }
1012
1013         if (rows.length > 1) {
1014                 alert(__("Please select only one user."));
1015                 return;
1016         }
1017
1018         notify_progress("Loading, please wait...");
1019
1020         var id = rows[0];
1021
1022         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1023         xmlhttp.onreadystatechange=infobox_callback;
1024         xmlhttp.send(null);
1025
1026 }
1027
1028 function selectedFeedDetails() {
1029
1030         if (!xmlhttp_ready(xmlhttp)) {
1031                 printLockingError();
1032                 return
1033         }
1034
1035         var rows = getSelectedFeeds();
1036
1037         if (rows.length == 0) {
1038                 alert(__("No feeds are selected."));
1039                 return;
1040         }
1041
1042         if (rows.length > 1) {
1043                 alert(__("Please select only one feed."));
1044                 return;
1045         }
1046
1047 //      var id = rows[0];
1048
1049         notify("");
1050
1051         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1052                 param_escape(rows.toString()), true);
1053         xmlhttp.onreadystatechange=infobox_callback;
1054         xmlhttp.send(null);
1055
1056 }
1057
1058 function editSelectedFilter() {
1059         var rows = getSelectedFilters();
1060
1061         if (rows.length == 0) {
1062                 alert(__("No filters are selected."));
1063                 return;
1064         }
1065
1066         if (rows.length > 1) {
1067                 alert(__("Please select only one filter."));
1068                 return;
1069         }
1070
1071         notify("");
1072
1073         editFilter(rows[0]);
1074
1075 }
1076
1077
1078 function editSelectedFeed() {
1079         var rows = getSelectedFeeds();
1080
1081         if (rows.length == 0) {
1082                 alert(__("No feeds are selected."));
1083                 return;
1084         }
1085
1086         if (rows.length > 1) {
1087                 alert(__("Please select one feed."));
1088                 return;
1089         }
1090
1091         notify("");
1092
1093         editFeed(rows[0]);
1094
1095 }
1096
1097 function editSelectedFeedCat() {
1098         var rows = getSelectedFeedCats();
1099
1100         if (rows.length == 0) {
1101                 alert(__("No categories are selected."));
1102                 return;
1103         }
1104
1105         if (rows.length > 1) {
1106                 alert(__("Please select only one category."));
1107                 return;
1108         }
1109
1110         notify("");
1111
1112         editFeedCat(rows[0]);
1113
1114 }
1115
1116 function localPiggieFunction(enable) {
1117         if (enable) {
1118                 debug("I LOVEDED IT!");
1119                 var piggie = document.getElementById("piggie");
1120
1121                 Element.show(piggie);
1122                 Position.Center(piggie);
1123                 Effect.Puff(piggie);
1124
1125         }
1126 }
1127
1128 function validateOpmlImport() {
1129
1130         var opml_file = document.getElementById("opml_file");
1131
1132         if (opml_file.value.length == 0) {
1133                 alert(__("No OPML file to upload."));
1134                 return false;
1135         } else {
1136                 return true;
1137         }
1138 }
1139
1140 function updateFilterList(sort_key) {
1141
1142         if (!xmlhttp_ready(xmlhttp)) {
1143                 printLockingError();
1144                 return
1145         }
1146
1147         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1148                 param_escape(sort_key), true);
1149         xmlhttp.onreadystatechange=filterlist_callback;
1150         xmlhttp.send(null);
1151
1152 }
1153
1154 function updateLabelList(sort_key) {
1155
1156         if (!xmlhttp_ready(xmlhttp)) {
1157                 printLockingError();
1158                 return
1159         }
1160
1161         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1162                 param_escape(sort_key), true);
1163         xmlhttp.onreadystatechange=labellist_callback;
1164         xmlhttp.send(null);
1165 }
1166
1167 function updatePrefsList() {
1168
1169         if (!xmlhttp_ready(xmlhttp)) {
1170                 printLockingError();
1171                 return
1172         }
1173
1174         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1175         xmlhttp.onreadystatechange=prefslist_callback;
1176         xmlhttp.send(null);
1177
1178 }
1179
1180 function selectTab(id, noupdate, subop) {
1181
1182 //      alert(id);
1183
1184         if (!id) id = active_tab;
1185
1186         try {
1187
1188                 if (!xmlhttp_ready(xmlhttp)) {
1189                         printLockingError();
1190                         return
1191                 }
1192
1193                 try {
1194                         var c = document.getElementById('prefContent');
1195                         c.scrollTop = 0;
1196                 } catch (e) { };
1197
1198                 if (!noupdate) {
1199
1200                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1201
1202                         notify_progress("Loading, please wait...");
1203
1204                         // close active infobox if needed
1205                         closeInfoBox();
1206
1207                         // clean up all current selections, just in case
1208                         active_feed_cat = false;
1209                         active_label = false;
1210
1211 //                      Effect.Fade("prefContent", {duration: 1, to: 0.01,
1212 //                              queue: { position:'end', scope: 'FEED_TAB', limit: 1 } } );
1213
1214                         if (id == "feedConfig") {
1215                                 updateFeedList();
1216                         } else if (id == "filterConfig") {
1217                                 updateFilterList();
1218                         } else if (id == "labelConfig") {
1219                                 updateLabelList();
1220                         } else if (id == "genConfig") {
1221                                 updatePrefsList();
1222                         } else if (id == "userConfig") {
1223                                 updateUsersList();
1224                         } else if (id == "feedBrowser") {
1225                                 updateBigFeedBrowser();
1226                         }
1227                 }
1228
1229                 var tab = document.getElementById(active_tab + "Tab");
1230
1231                 if (tab) {
1232                         if (tab.className.match("Selected")) {
1233                                 tab.className = "prefsTab";
1234                         }
1235                 }
1236
1237                 tab = document.getElementById(id + "Tab");
1238
1239                 if (tab) {
1240                         if (!tab.className.match("Selected")) {
1241                                 tab.className = tab.className + "Selected";
1242                         }
1243                 }
1244
1245                 active_tab = id;
1246
1247         } catch (e) {
1248                 exception_error("selectTab", e);
1249         }
1250 }
1251
1252 function backend_sanity_check_callback() {
1253
1254         if (xmlhttp.readyState == 4) {
1255
1256                 try {
1257
1258                         if (sanity_check_done) {
1259                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1260                               "presence of Firebug or some other disrupting extension. "+
1261                                         "Please disable it and try again.");
1262                                 return;
1263                         }
1264
1265                         if (!xmlhttp.responseXML) {
1266                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1267                                 return;
1268                         }
1269
1270                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1271
1272                         if (!reply) {
1273                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1274                                 return;
1275                         }
1276
1277                         var error_code = reply.getAttribute("error-code");
1278
1279                         if (error_code && error_code != 0) {
1280                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1281                         }
1282
1283                         debug("sanity check ok");
1284
1285                         var params = reply.nextSibling;
1286
1287                         if (params) {
1288                                 debug('reading init-params...');
1289                                 var param = params.firstChild;
1290
1291                                 while (param) {
1292                                         var k = param.getAttribute("key");
1293                                         var v = param.getAttribute("value");
1294                                         debug(k + " => " + v);
1295                                         init_params[k] = v;
1296                                         param = param.nextSibling;
1297                                 }
1298                         }
1299
1300                         sanity_check_done = true;
1301
1302                         init_second_stage();
1303
1304                 } catch (e) {
1305                         exception_error("backend_sanity_check_callback", e);
1306                 }
1307         }
1308 }
1309
1310 function init_second_stage() {
1311
1312         try {
1313                 active_tab = getInitParam("prefs_active_tab");
1314                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1315
1316                 document.onkeydown = pref_hotkey_handler;
1317
1318                 var tab = getURLParam('tab');
1319
1320                 caller_subop = getURLParam('subop');
1321
1322                 if (tab) {
1323                         active_tab = tab;
1324                 }
1325
1326                 if (navigator.userAgent.match("Opera")) {
1327                         setTimeout("selectTab()", 500);
1328                 } else {
1329                         selectTab(active_tab);
1330                 }
1331                 notify("");
1332         } catch (e) {
1333                 exception_error("init_second_stage", e);
1334         }
1335 }
1336
1337 function init() {
1338
1339         try {
1340
1341                 if (arguments.callee.done) return;
1342                 arguments.callee.done = true;
1343
1344                 if (getURLParam('debug')) {
1345                         document.getElementById('debug_output').style.display = 'block';
1346                         debug('debug mode activated');
1347                 }
1348
1349                 // IE kludge
1350                 if (!xmlhttp) {
1351                         document.getElementById("prefContent").innerHTML =
1352                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1353                                 "to function properly. Your browser doesn't seem to support it.";
1354                         return;
1355                 }
1356
1357                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1358                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1359                 xmlhttp.send(null);
1360
1361         } catch (e) {
1362                 exception_error("init", e);
1363         }
1364 }
1365
1366 function categorizeSelectedFeeds() {
1367
1368         if (!xmlhttp_ready(xmlhttp)) {
1369                 printLockingError();
1370                 return
1371         }
1372
1373         var sel_rows = getSelectedFeeds();
1374
1375         var cat_sel = document.getElementById("sfeed_set_fcat");
1376         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1377
1378         if (sel_rows.length > 0) {
1379
1380                 notify_progress("Changing category of selected feeds...");
1381
1382                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1383                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1384                 xmlhttp.onreadystatechange=feedlist_callback;
1385                 xmlhttp.send(null);
1386
1387         } else {
1388
1389                 alert(__("No feeds are selected."));
1390
1391         }
1392
1393 }
1394
1395 function validatePrefsReset() {
1396         try {
1397                 var ok = confirm(__("Reset to defaults?"));
1398
1399                 if (ok) {
1400
1401                         var query = Form.serialize("pref_prefs_form");
1402                         query = query + "&subop=reset-config";
1403                         debug(query);
1404
1405                         xmlhttp.open("POST", "backend.php", true);
1406                         xmlhttp.onreadystatechange=prefs_reset_callback;
1407                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1408                         xmlhttp.send(query);
1409                 }
1410
1411         } catch (e) {
1412                 exception_error("validatePrefsSave", e);
1413         }
1414
1415         return false;
1416
1417 }
1418
1419 function browseFeeds(limit) {
1420
1421         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1422         xmlhttp.onreadystatechange=infobox_callback;
1423         xmlhttp.send(null);
1424
1425 }
1426
1427 function feedBrowserSubscribe() {
1428         try {
1429
1430                 var selected = getSelectedFeedsFromBrowser();
1431
1432                 if (selected.length > 0) {
1433                         closeInfoBox();
1434                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1435                                 param_escape(selected.toString()), true);
1436                         xmlhttp.onreadystatechange=feedlist_callback;
1437                         xmlhttp.send(null);
1438                 } else {
1439                         alert(__("No feeds are selected."));
1440                 }
1441
1442         } catch (e) {
1443                 exception_error("feedBrowserSubscribe", e);
1444         }
1445 }
1446
1447 function updateBigFeedBrowser(limit) {
1448
1449         if (!xmlhttp_ready(xmlhttp)) {
1450                 printLockingError();
1451                 return
1452         }
1453
1454         var query = "backend.php?op=pref-feed-browser";
1455
1456         var limit_sel = document.getElementById("feedBrowserLimit");
1457
1458         if (limit_sel) {
1459                 var limit = limit_sel[limit_sel.selectedIndex].value;
1460                 query = query + "&limit=" + param_escape(limit);
1461         }
1462
1463         xmlhttp.open("GET", query, true);
1464         xmlhttp.onreadystatechange=feed_browser_callback;
1465         xmlhttp.send(null);
1466 }
1467
1468 function browserToggleExpand(id) {
1469         try {
1470 /*              if (feed_to_expand && feed_to_expand != id) {
1471                         var d = document.getElementById("BRDET-" + feed_to_expand);
1472                         d.style.display = "none";
1473                 } */
1474
1475                 if (!xmlhttp_ready(xmlhttp)) {
1476                         printLockingError();
1477                         return
1478                 }
1479
1480 /*              if (feed_to_expand && id != feed_to_expand) {
1481                         Effect.Fade('BRDET-' + feed_to_expand, {duration : 0.5});
1482                 } */
1483
1484                 var d = document.getElementById("BRDET-" + id);
1485
1486                 if (Element.visible(d)) {
1487                         Effect.Fade(d, {duration : 0.5});
1488                 } else {
1489                         feed_to_expand = id;
1490
1491                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1492                                 + param_escape(id), true);
1493                         xmlhttp.onreadystatechange=expand_feed_callback;
1494                         xmlhttp.send(null);
1495                 }
1496
1497         } catch (e) {
1498                 exception_error("browserToggleExpand", e);
1499         }
1500 }
1501
1502 function selectPrefRows(kind, select) {
1503
1504         if (kind) {
1505                 var opbarid = false;
1506                 var nchk = false;
1507                 var nrow = false;
1508                 var lname = false;
1509
1510                 if (kind == "feed") {
1511                         opbarid = "feedOpToolbar";
1512                         nrow = "FEEDR-";
1513                         nchk = "FRCHK-";
1514                         lname = "prefFeedList";
1515                 } else if (kind == "fcat") {
1516                         opbarid = "catOpToolbar";
1517                         nrow = "FCATR-";
1518                         nchk = "FCCHK-";
1519                         lname = "prefFeedCatList";
1520                 } else if (kind == "filter") {
1521                         opbarid = "filterOpToolbar";
1522                         nrow = "FILRR-";
1523                         nchk = "FICHK-";
1524                         lname = "prefFilterList";
1525                 } else if (kind == "label") {
1526                         opbarid = "labelOpToolbar";
1527                         nrow = "LILRR-";
1528                         nchk = "LICHK-";
1529                         lname = "prefLabelList";
1530                 } else if (kind == "user") {
1531                         opbarid = "userOpToolbar";
1532                         nrow = "UMRR-";
1533                         nchk = "UMCHK-";
1534                         lname = "prefUserList";
1535                 }
1536
1537                 if (opbarid) {
1538                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1539                         disableContainerChildren(opbarid, !select);
1540                 }
1541
1542         }
1543 }
1544
1545
1546 function toggleSelectPrefRow(sender, kind) {
1547
1548         toggleSelectRow(sender);
1549
1550         if (kind) {
1551                 var opbarid = false;
1552                 var nsel = -1;
1553
1554                 if (kind == "feed") {
1555                         opbarid = "feedOpToolbar";
1556                         nsel = getSelectedFeeds();
1557                 } else if (kind == "fcat") {
1558                         opbarid = "catOpToolbar";
1559                         nsel = getSelectedFeedCats();
1560                 } else if (kind == "filter") {
1561                         opbarid = "filterOpToolbar";
1562                         nsel = getSelectedFilters();
1563                 } else if (kind == "label") {
1564                         opbarid = "labelOpToolbar";
1565                         nsel = getSelectedLabels();
1566                 } else if (kind == "user") {
1567                         opbarid = "userOpToolbar";
1568                         nsel = getSelectedUsers();
1569                 }
1570
1571                 if (opbarid && nsel != -1) {
1572                         disableContainerChildren(opbarid, nsel == false);
1573                 }
1574
1575         }
1576 }
1577
1578 function toggleSelectFBListRow(sender) {
1579         toggleSelectListRow(sender);
1580         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1581 }
1582
1583 var seq = "";
1584
1585 function pref_hotkey_handler(e) {
1586         try {
1587
1588                 var keycode;
1589
1590                 if (!hotkeys_enabled) return;
1591
1592                 if (window.event) {
1593                         keycode = window.event.keyCode;
1594                 } else if (e) {
1595                         keycode = e.which;
1596                 }
1597
1598                 if (keycode == 13 || keycode == 27) {
1599                         seq = "";
1600                 } else {
1601                         seq = seq + "" + keycode;
1602                 }
1603
1604
1605         if (document.getElementById("piggie")) {
1606
1607                 if (seq.match("807371717369")) {
1608                         seq = "";
1609                         localPiggieFunction(true);
1610                 } else {
1611                         localPiggieFunction(false);
1612                 }
1613         }
1614
1615         } catch (e) {
1616                 exception_error("pref_hotkey_handler", e);
1617         }
1618 }
1619
1620 function editFeedCats() {
1621         if (!xmlhttp_ready(xmlhttp)) {
1622                 printLockingError();
1623                 return
1624         }
1625
1626         document.getElementById("subscribe_to_feed_btn").disabled = true;
1627
1628         try {
1629                 document.getElementById("top25_feeds_btn").disabled = true;
1630         } catch (e) {
1631                 // this button is not always available, no-op if not found
1632         }
1633
1634         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1635         xmlhttp.onreadystatechange=infobox_feed_cat_callback;
1636         xmlhttp.send(null);
1637 }
1638
1639 function showFeedsWithErrors() {
1640         displayDlg('feedUpdateErrors');
1641 }
1642
1643 function changeUserPassword() {
1644
1645         try {
1646
1647                 if (!xmlhttp_ready(xmlhttp)) {
1648                         printLockingError();
1649                         return false;
1650                 }
1651
1652                 var f = document.forms["change_pass_form"];
1653
1654                 if (f) {
1655                         if (f.OLD_PASSWORD.value == "") {
1656                                 new Effect.Highlight(f.OLD_PASSWORD);
1657                                 notify_error("Old password cannot be blank.");
1658                                 return false;
1659                         }
1660
1661                         if (f.NEW_PASSWORD.value == "") {
1662                                 new Effect.Highlight(f.NEW_PASSWORD);
1663                                 notify_error("New password cannot be blank.");
1664                                 return false;
1665                         }
1666
1667                         if (f.CONFIRM_PASSWORD.value == "") {
1668                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1669                                 notify_error("Entered passwords do not match.");
1670                                 return false;
1671                         }
1672
1673                         if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
1674                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1675                                 new Effect.Highlight(f.NEW_PASSWORD);
1676                                 notify_error("Entered passwords do not match.");
1677                                 return false;
1678                         }
1679
1680                 }
1681
1682                 var query = Form.serialize("change_pass_form");
1683
1684                 notify_progress("Trying to change password...");
1685
1686                 xmlhttp.open("POST", "backend.php", true);
1687                 xmlhttp.onreadystatechange=changepass_callback;
1688                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1689                 xmlhttp.send(query);
1690
1691         } catch (e) {
1692                 exception_error("changeUserPassword", e);
1693         }
1694
1695         return false;
1696 }
1697
1698 function changeUserEmail() {
1699
1700         try {
1701
1702                 if (!xmlhttp_ready(xmlhttp)) {
1703                         printLockingError();
1704                         return false;
1705                 }
1706
1707                 var query = Form.serialize("change_email_form");
1708
1709                 notify_progress("Trying to change e-mail...");
1710
1711                 xmlhttp.open("POST", "backend.php", true);
1712                 xmlhttp.onreadystatechange=notify_callback;
1713                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1714                 xmlhttp.send(query);
1715
1716         } catch (e) {
1717                 exception_error("changeUserPassword", e);
1718         }
1719
1720         return false;
1721
1722 }
1723
1724 function feedlistToggleSLAT() {
1725         notify_progress("Loading, please wait...");
1726         updateFeedList()
1727 }
1728
1729 function pubRegenKey() {
1730
1731         if (!xmlhttp_ready(xmlhttp)) {
1732                 printLockingError();
1733                 return false;
1734         }
1735
1736         var ok = confirm(__("Replace current publishing address with a new one?"));
1737
1738         if (ok) {
1739
1740                 notify_progress("Trying to change address...");
1741
1742                 xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
1743                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1744                 xmlhttp.send(null);
1745         }
1746
1747         return false;
1748 }
1749
1750 function validatePrefsSave() {
1751         try {
1752
1753                 var ok = confirm(__("Save current configuration?"));
1754
1755                 if (ok) {
1756
1757                         var query = Form.serialize("pref_prefs_form");
1758                         query = query + "&subop=save-config";
1759                         debug(query);
1760
1761                         xmlhttp.open("POST", "backend.php", true);
1762                         xmlhttp.onreadystatechange=notify_callback;
1763                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1764                         xmlhttp.send(query);
1765                 }
1766
1767         } catch (e) {
1768                 exception_error("validatePrefsSave", e);
1769         }
1770
1771         return false;
1772 }