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 piggie_top = -400;
   9 var piggie_fwd = true;
  10
  11 var xmlhttp = Ajax.getTransport();
  12
  13 var init_params = new Array();
  14
  15 var caller_subop = false;
  16
  17 var sanity_check_done = false;
  18
  19 /*
  20 function replace_pubkey_callback() {
  21         if (xmlhttp.readyState == 4) {
  22                 try {
  23                         var link = document.getElementById("pubGenAddress");
  24
  25                         if (xmlhttp.responseXML) {
  26
  27
  28                         } else {
  29                                 notify_error("Error while changing adress");
  30                         }
  31                 } catch (e) {
  32                         exception_error("replace_pubkey_callback", e);
  33                 }
  34         }
  35 } */
  36
  37 function expand_feed_callback() {
  38         if (xmlhttp.readyState == 4) {
  39                 try {
  40                         var container = document.getElementById("BRDET-" + feed_to_expand);
  41                         container.innerHTML=xmlhttp.responseText;
  42                         container.style.display = "block";
  43 //                      p_notify("");
  44                 } catch (e) {
  45                         exception_error("expand_feed_callback", e);
  46                 }
  47         }
  48 }
  49
  50 function feedlist_callback() {
  51         if (xmlhttp.readyState == 4) {
  52                 try {
  53                         var container = document.getElementById('prefContent');
  54                         container.innerHTML=xmlhttp.responseText;
  55                         selectTab("feedConfig", true);
  56
  57                         if (caller_subop) {
  58                                 var tuple = caller_subop.split(":");
  59                                 if (tuple[0] == 'editFeed') {
  60                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  61                                 }
  62
  63                                 caller_subop = false;
  64                         }
  65                         if (typeof correctPNG != 'undefined') {
  66                                 correctPNG();
  67                         }
  68                         notify("");
  69                 } catch (e) {
  70                         exception_error("feedlist_callback", e);
  71                 }
  72         }
  73 }
  74
  75 /* stub for subscription dialog */
  76
  77 function dlg_frefresh_callback() {
  78         if (xmlhttp.readyState == 4) {
  79         //      setTimeout("updateFeedList()", 500);
  80
  81                 try {
  82                         var container = document.getElementById('prefContent');
  83                         container.innerHTML=xmlhttp.responseText;
  84                         selectTab("feedConfig", true);
  85
  86                         if (caller_subop) {
  87                                 var tuple = caller_subop.split(":");
  88                                 if (tuple[0] == 'editFeed') {
  89                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  90                                 }
  91
  92                                 caller_subop = false;
  93                         }
  94                         if (typeof correctPNG != 'undefined') {
  95                                 correctPNG();
  96                         }
  97                         notify("");
  98                 } catch (e) {
  99                         exception_error("feedlist_callback", e);
 100                 }
 101         }
 102 }
 103
 104 function filterlist_callback() {
 105         var container = document.getElementById('prefContent');
 106         if (xmlhttp.readyState == 4) {
 107                 container.innerHTML=xmlhttp.responseText;
 108                 if (typeof correctPNG != 'undefined') {
 109                         correctPNG();
 110                 }
 111                 notify("");
 112         }
 113 }
 114
 115 function labellist_callback() {
 116         var container = document.getElementById('prefContent');
 117         if (xmlhttp.readyState == 4) {
 118                 closeInfoBox();
 119                 container.innerHTML=xmlhttp.responseText;
 120                 if (active_label) {
 121                         var row = document.getElementById("LILRR-" + active_label);
 122                         if (row) {
 123                                 if (!row.className.match("Selected")) {
 124                                         row.className = row.className + "Selected";
 125                                 }
 126                         }
 127                         var checkbox = document.getElementById("LICHK-" + active_label);
 128
 129                         if (checkbox) {
 130                                 checkbox.checked = true;
 131                         }
 132                 }
 133                 if (typeof correctPNG != 'undefined') {
 134                         correctPNG();
 135                 }
 136                 notify("");
 137         }
 138 }
 139
 140 function labeltest_callback() {
 141         var container = document.getElementById('label_test_result');
 142         if (xmlhttp.readyState == 4) {
 143                 container.innerHTML=xmlhttp.responseText;
 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
 191 function changepass_callback() {
 192         try {
 193                 if (xmlhttp.readyState == 4) {
 194
 195                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 196                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 197                         } else {
 198                                 notify_info(xmlhttp.responseText);
 199                                 var warn = document.getElementById("default_pass_warning");
 200                                 if (warn) warn.style.display = "none";
 201                         }
 202
 203                         document.forms['change_pass_form'].reset();
 204
 205                 }
 206         } catch (e) {
 207                 exception_error("changepass_callback", e);
 208         }
 209 }
 210
 211 function updateFeedList(sort_key) {
 212
 213         if (!xmlhttp_ready(xmlhttp)) {
 214                 printLockingError();
 215                 return
 216         }
 217
 218 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 219
 220 //      p_notify("Loading, please wait...");
 221
 222         var feed_search = document.getElementById("feed_search");
 223         var search = "";
 224         if (feed_search) { search = feed_search.value; }
 225
 226         var slat = document.getElementById("show_last_article_times");
 227
 228         var slat_checked = false;
 229         if (slat) {
 230                 slat_checked = slat.checked;
 231         }
 232
 233         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 234                 "&sort=" + param_escape(sort_key) +
 235                 "&slat=" + param_escape(slat_checked) +
 236                 "&search=" + param_escape(search), true);
 237         xmlhttp.onreadystatechange=feedlist_callback;
 238         xmlhttp.send(null);
 239
 240 }
 241
 242 function updateUsersList(sort_key) {
 243
 244         if (!xmlhttp_ready(xmlhttp)) {
 245                 printLockingError();
 246                 return
 247         }
 248
 249 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 250
 251 //      p_notify("Loading, please wait...");
 252
 253         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 254                 + param_escape(sort_key), true);
 255         xmlhttp.onreadystatechange=userlist_callback;
 256         xmlhttp.send(null);
 257
 258 }
 259
 260 function addLabel() {
 261
 262         if (!xmlhttp_ready(xmlhttp)) {
 263                 printLockingError();
 264                 return
 265         }
 266
 267         var form = document.forms['label_edit_form'];
 268
 269         var sql_exp = form.sql_exp.value;
 270         var description = form.description.value;
 271
 272         if (sql_exp == "") {
 273                 alert("Can't create label: missing SQL expression.");
 274                 return false;
 275         }
 276
 277         if (description == "") {
 278                 alert("Can't create label: missing caption.");
 279                 return false;
 280         }
 281
 282         var query = Form.serialize("label_edit_form");
 283
 284         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 285         xmlhttp.onreadystatechange=infobox_submit_callback;
 286         xmlhttp.send(null);
 287 }
 288
 289 function addFeed() {
 290
 291         if (!xmlhttp_ready(xmlhttp)) {
 292                 printLockingError();
 293                 return
 294         }
 295
 296         var link = document.getElementById("fadd_link");
 297
 298         if (link.value.length == 0) {
 299                 alert(__("Error: No feed URL given."));
 300         } else if (!isValidURL(link.value)) {
 301                 alert(__("Error: Invalid feed URL."));
 302         } else {
 303                 notify_progress("Adding feed...");
 304
 305                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 306                         param_escape(link.value), true);
 307                 xmlhttp.onreadystatechange=feedlist_callback;
 308                 xmlhttp.send(null);
 309
 310                 link.value = "";
 311
 312         }
 313
 314 }
 315
 316 function addFeedCat() {
 317
 318         if (!xmlhttp_ready(xmlhttp)) {
 319                 printLockingError();
 320                 return
 321         }
 322
 323         var cat = document.getElementById("fadd_cat");
 324
 325         if (cat.value.length == 0) {
 326                 alert(__("Can't add category: no name specified."));
 327         } else {
 328                 notify_progress("Adding feed category...");
 329
 330                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 331                         param_escape(cat.value), true);
 332                 xmlhttp.onreadystatechange=infobox_callback;
 333                 xmlhttp.send(null);
 334
 335                 link.value = "";
 336
 337         }
 338
 339 }
 340 function addUser() {
 341
 342         if (!xmlhttp_ready(xmlhttp)) {
 343                 printLockingError();
 344                 return
 345         }
 346
 347         var sqlexp = document.getElementById("uadd_box");
 348
 349         if (sqlexp.value.length == 0) {
 350                 alert("Can't add user: no login specified.");
 351         } else {
 352                 notify_progress("Adding user...");
 353
 354                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 355                         param_escape(sqlexp.value), true);
 356
 357                 xmlhttp.onreadystatechange=userlist_callback;
 358                 xmlhttp.send(null);
 359
 360                 sqlexp.value = "";
 361         }
 362
 363 }
 364
 365 function editLabel(id) {
 366
 367         if (!xmlhttp_ready(xmlhttp)) {
 368                 printLockingError();
 369                 return
 370         }
 371
 372         notify_progress("Loading, please wait...");
 373
 374         document.getElementById("label_create_btn").disabled = true;
 375
 376         active_label = id;
 377
 378         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 379         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 380
 381         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 382                 param_escape(id), true);
 383         xmlhttp.onreadystatechange=infobox_callback;
 384         xmlhttp.send(null);
 385
 386 }
 387
 388 function editUser(id) {
 389
 390         if (!xmlhttp_ready(xmlhttp)) {
 391                 printLockingError();
 392                 return
 393         }
 394
 395         notify_progress("Loading, please wait...");
 396
 397         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 398         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 399
 400         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 401                 param_escape(id), true);
 402         xmlhttp.onreadystatechange=infobox_callback;
 403         xmlhttp.send(null);
 404
 405 }
 406
 407 function editFilter(id) {
 408
 409         if (!xmlhttp_ready(xmlhttp)) {
 410                 printLockingError();
 411                 return
 412         }
 413
 414         notify_progress("Loading, please wait...");
 415
 416         document.getElementById("create_filter_btn").disabled = true;
 417
 418         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 419         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 420
 421         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 422         xmlhttp.onreadystatechange=infobox_callback;
 423         xmlhttp.send(null);
 424 }
 425
 426 function editFeed(feed) {
 427
 428 //      notify("Editing feed...");
 429
 430         if (!xmlhttp_ready(xmlhttp)) {
 431                 printLockingError();
 432                 return
 433         }
 434
 435         notify_progress("Loading, please wait...");
 436
 437         document.getElementById("subscribe_to_feed_btn").disabled = true;
 438
 439         try {
 440                 document.getElementById("top25_feeds_btn").disabled = true;
 441         } catch (e) {
 442                 // this button is not always available, no-op if not found
 443         }
 444
 445         // clean selection from all rows & select row being edited
 446         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 447         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 448
 449         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 450                 param_escape(feed), true);
 451
 452         xmlhttp.onreadystatechange=infobox_callback;
 453         xmlhttp.send(null);
 454
 455 }
 456
 457 function editFeedCat(cat) {
 458
 459         if (!xmlhttp_ready(xmlhttp)) {
 460                 printLockingError();
 461                 return
 462         }
 463
 464         notify_progress("Loading, please wait...");
 465
 466         active_feed_cat = cat;
 467
 468         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 469                 param_escape(cat), true);
 470         xmlhttp.onreadystatechange=infobox_callback;
 471         xmlhttp.send(null);
 472
 473 }
 474
 475 function getSelectedLabels() {
 476         return getSelectedTableRowIds("prefLabelList", "LILRR");
 477 }
 478
 479 function getSelectedUsers() {
 480         return getSelectedTableRowIds("prefUserList", "UMRR");
 481 }
 482
 483 function getSelectedFeeds() {
 484         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 485 }
 486
 487 function getSelectedFilters() {
 488         return getSelectedTableRowIds("prefFilterList", "FILRR");
 489 }
 490
 491 function getSelectedFeedCats() {
 492         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 493 }
 494
 495 function getSelectedFeedsFromBrowser() {
 496
 497         var list = document.getElementById("browseFeedList");
 498         if (!list) list = document.getElementById("browseBigFeedList");
 499
 500         var selected = new Array();
 501
 502         for (i = 0; i < list.childNodes.length; i++) {
 503                 var child = list.childNodes[i];
 504                 if (child.id && child.id.match("FBROW-")) {
 505                         var id = child.id.replace("FBROW-", "");
 506
 507                         var cb = document.getElementById("FBCHK-" + id);
 508
 509                         if (cb.checked) {
 510                                 selected.push(id);
 511                         }
 512                 }
 513         }
 514
 515         return selected;
 516 }
 517
 518 function removeSelectedLabels() {
 519
 520         if (!xmlhttp_ready(xmlhttp)) {
 521                 printLockingError();
 522                 return
 523         }
 524
 525         var sel_rows = getSelectedLabels();
 526
 527         if (sel_rows.length > 0) {
 528
 529                 var ok = confirm("Remove selected labels?");
 530
 531                 if (ok) {
 532                         notify_progress("Removing selected labels...");
 533
 534                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 535                                 param_escape(sel_rows.toString()), true);
 536                         xmlhttp.onreadystatechange=labellist_callback;
 537                         xmlhttp.send(null);
 538                 }
 539         } else {
 540                 alert("No labels are selected.");
 541         }
 542
 543         return false;
 544 }
 545
 546 function removeSelectedUsers() {
 547
 548         if (!xmlhttp_ready(xmlhttp)) {
 549                 printLockingError();
 550                 return
 551         }
 552
 553         var sel_rows = getSelectedUsers();
 554
 555         if (sel_rows.length > 0) {
 556
 557                 var ok = confirm("Remove selected users?");
 558
 559                 if (ok) {
 560                         notify_progress("Removing selected users...");
 561
 562                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 563                                 param_escape(sel_rows.toString()), true);
 564                         xmlhttp.onreadystatechange=userlist_callback;
 565                         xmlhttp.send(null);
 566                 }
 567
 568         } else {
 569                 alert("No users are selected.");
 570         }
 571
 572         return false;
 573 }
 574
 575 function removeSelectedFilters() {
 576
 577         if (!xmlhttp_ready(xmlhttp)) {
 578                 printLockingError();
 579                 return
 580         }
 581
 582         var sel_rows = getSelectedFilters();
 583
 584         if (sel_rows.length > 0) {
 585
 586                 var ok = confirm("Remove selected filters?");
 587
 588                 if (ok) {
 589                         notify_progress("Removing selected filters...");
 590
 591                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 592                                 param_escape(sel_rows.toString()), true);
 593                         xmlhttp.onreadystatechange=filterlist_callback;
 594                         xmlhttp.send(null);
 595                 }
 596         } else {
 597                 alert("No filters are selected.");
 598         }
 599
 600         return false;
 601 }
 602
 603
 604 function removeSelectedFeeds() {
 605
 606         if (!xmlhttp_ready(xmlhttp)) {
 607                 printLockingError();
 608                 return
 609         }
 610
 611         var sel_rows = getSelectedFeeds();
 612
 613         if (sel_rows.length > 0) {
 614
 615                 var ok = confirm("Unsubscribe from selected feeds?");
 616
 617                 if (ok) {
 618
 619                         notify_progress("Unsubscribing from selected feeds...");
 620
 621                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 622                                 param_escape(sel_rows.toString()), true);
 623                         xmlhttp.onreadystatechange=feedlist_callback;
 624                         xmlhttp.send(null);
 625                 }
 626
 627         } else {
 628
 629                 alert("No feeds are selected.");
 630
 631         }
 632
 633         return false;
 634 }
 635
 636 function removeSelectedFeedCats() {
 637
 638         if (!xmlhttp_ready(xmlhttp)) {
 639                 printLockingError();
 640                 return
 641         }
 642
 643         var sel_rows = getSelectedFeedCats();
 644
 645         if (sel_rows.length > 0) {
 646
 647                 var ok = confirm("Remove selected categories?");
 648
 649                 if (ok) {
 650                         notify_progress("Removing selected categories...");
 651
 652                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 653                                 param_escape(sel_rows.toString()), true);
 654                         xmlhttp.onreadystatechange=infobox_callback;
 655                         xmlhttp.send(null);
 656                 }
 657
 658         } else {
 659
 660                 alert("No categories are selected.");
 661
 662         }
 663
 664         return false;
 665 }
 666
 667 function feedEditCancel() {
 668
 669         if (!xmlhttp_ready(xmlhttp)) {
 670                 printLockingError();
 671                 return
 672         }
 673
 674         document.getElementById("subscribe_to_feed_btn").disabled = false;
 675
 676         try {
 677                 document.getElementById("top25_feeds_btn").disabled = false;
 678         } catch (e) {
 679                 // this button is not always available, no-op if not found
 680         }
 681
 682         closeInfoBox();
 683
 684         selectPrefRows('feed', false); // cleanup feed selection
 685
 686         return false;
 687 }
 688
 689 function feedCatEditCancel() {
 690
 691         if (!xmlhttp_ready(xmlhttp)) {
 692                 printLockingError();
 693                 return
 694         }
 695
 696         active_feed_cat = false;
 697
 698 //      notify("Operation cancelled.");
 699
 700         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 701         xmlhttp.onreadystatechange=infobox_callback;
 702         xmlhttp.send(null);
 703
 704         return false;
 705 }
 706
 707 function feedEditSave() {
 708
 709         try {
 710
 711                 if (!xmlhttp_ready(xmlhttp)) {
 712                         printLockingError();
 713                         return
 714                 }
 715
 716                 // FIXME: add parameter validation
 717
 718                 var query = Form.serialize("edit_feed_form");
 719
 720                 notify_progress("Saving feed...");
 721
 722                 xmlhttp.open("POST", "backend.php", true);
 723                 xmlhttp.onreadystatechange=feedlist_callback;
 724                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 725                 xmlhttp.send(query);
 726
 727                 closeInfoBox();
 728
 729                 return false;
 730
 731         } catch (e) {
 732                 exception_error("feedEditSave", e);
 733         }
 734 }
 735
 736 function feedCatEditSave() {
 737
 738         if (!xmlhttp_ready(xmlhttp)) {
 739                 printLockingError();
 740                 return
 741         }
 742
 743         notify_progress("Saving category...");
 744
 745         var query = Form.serialize("feed_cat_edit_form");
 746
 747         xmlhttp.open("GET", "backend.php?" + query, true);
 748         xmlhttp.onreadystatechange=infobox_callback;
 749         xmlhttp.send(null);
 750
 751         active_feed_cat = false;
 752
 753         return false;
 754 }
 755
 756
 757 function labelTest() {
 758
 759         var container = document.getElementById('label_test_result');
 760         container.style.display = "block";
 761         container.innerHTML = "<p>Loading, please wait...</p>";
 762
 763         var form = document.forms['label_edit_form'];
 764
 765         var sql_exp = form.sql_exp.value;
 766         var description = form.description.value;
 767
 768         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 769                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 770
 771         xmlhttp.onreadystatechange=labeltest_callback;
 772         xmlhttp.send(null);
 773
 774         return false;
 775 }
 776
 777 function displayHelpInfobox(topic_id) {
 778
 779 /*      if (!xmlhttp_ready(xmlhttp)) {
 780                 printLockingError();
 781                 return
 782         }
 783
 784         notify_progress("Loading help...");
 785
 786         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 787                 param_escape(topic_id), true);
 788
 789         xmlhttp.onreadystatechange=helpbox_callback;
 790         xmlhttp.send(null); */
 791
 792         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 793
 794         var w = window.open(url, "ttrss_help",
 795                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 796
 797 }
 798
 799 function labelEditCancel() {
 800
 801         if (!xmlhttp_ready(xmlhttp)) {
 802                 printLockingError();
 803                 return
 804         }
 805
 806         document.getElementById("label_create_btn").disabled = false;
 807
 808         active_label = false;
 809
 810         selectPrefRows('label', false); // cleanup feed selection
 811         closeInfoBox();
 812
 813         return false;
 814 }
 815
 816 function userEditCancel() {
 817
 818         if (!xmlhttp_ready(xmlhttp)) {
 819                 printLockingError();
 820                 return
 821         }
 822
 823         selectPrefRows('user', false); // cleanup feed selection
 824         closeInfoBox();
 825
 826         return false;
 827 }
 828
 829 function filterEditCancel() {
 830
 831         if (!xmlhttp_ready(xmlhttp)) {
 832                 printLockingError();
 833                 return
 834         }
 835
 836         document.getElementById("create_filter_btn").disabled = false;
 837
 838         selectPrefRows('filter', false); // cleanup feed selection
 839         closeInfoBox();
 840
 841         return false;
 842 }
 843
 844 function labelEditSave() {
 845
 846         var label = active_label;
 847
 848         if (!xmlhttp_ready(xmlhttp)) {
 849                 printLockingError();
 850                 return
 851         }
 852
 853 /*      if (!is_opera()) {
 854
 855                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 856                 var description = document.forms["label_edit_form"].description.value;
 857
 858                 if (sql_exp.length == 0) {
 859                         alert("SQL Expression cannot be blank.");
 860                         return false;
 861                 }
 862
 863                 if (description.length == 0) {
 864                         alert("Caption field cannot be blank.");
 865                         return false;
 866                 }
 867         } */
 868
 869         closeInfoBox();
 870
 871         notify_progress("Saving label...");
 872
 873         active_label = false;
 874
 875         query = Form.serialize("label_edit_form");
 876
 877         xmlhttp.open("GET", "backend.php?" + query, true);
 878         xmlhttp.onreadystatechange=labellist_callback;
 879         xmlhttp.send(null);
 880
 881         return false;
 882 }
 883
 884 function userEditSave() {
 885
 886         if (!xmlhttp_ready(xmlhttp)) {
 887                 printLockingError();
 888                 return
 889         }
 890
 891         var login = document.forms["user_edit_form"].login.value;
 892
 893         if (login.length == 0) {
 894                 alert("Login field cannot be blank.");
 895                 return;
 896         }
 897
 898         notify_progress("Saving user...");
 899
 900         closeInfoBox();
 901
 902         var query = Form.serialize("user_edit_form");
 903
 904         xmlhttp.open("GET", "backend.php?" + query, true);
 905         xmlhttp.onreadystatechange=userlist_callback;
 906         xmlhttp.send(null);
 907
 908         return false;
 909 }
 910
 911
 912 function filterEditSave() {
 913
 914         if (!xmlhttp_ready(xmlhttp)) {
 915                 printLockingError();
 916                 return
 917         }
 918
 919 /*      if (!is_opera()) {
 920                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 921
 922                 if (reg_exp.length == 0) {
 923                         alert("Filter expression field cannot be blank.");
 924                         return;
 925                 }
 926         } */
 927
 928         notify_progress("Saving filter...");
 929
 930         var query = Form.serialize("filter_edit_form");
 931
 932         closeInfoBox();
 933
 934         document.getElementById("create_filter_btn").disabled = false;
 935
 936         xmlhttp.open("GET", "backend.php?" + query, true);
 937         xmlhttp.onreadystatechange=filterlist_callback;
 938         xmlhttp.send(null);
 939
 940         return false;
 941 }
 942
 943 function editSelectedLabel() {
 944         var rows = getSelectedLabels();
 945
 946         if (rows.length == 0) {
 947                 alert(__("No labels are selected."));
 948                 return;
 949         }
 950
 951         if (rows.length > 1) {
 952                 alert(__("Please select only one label."));
 953                 return;
 954         }
 955
 956         notify("");
 957
 958         editLabel(rows[0]);
 959
 960 }
 961
 962 function editSelectedUser() {
 963         var rows = getSelectedUsers();
 964
 965         if (rows.length == 0) {
 966                 alert(__("No users are selected."));
 967                 return;
 968         }
 969
 970         if (rows.length > 1) {
 971                 alert(__("Please select only one user."));
 972                 return;
 973         }
 974
 975         notify("");
 976
 977         editUser(rows[0]);
 978 }
 979
 980 function resetSelectedUserPass() {
 981         var rows = getSelectedUsers();
 982
 983         if (rows.length == 0) {
 984                 alert(__("No users are selected."));
 985                 return;
 986         }
 987
 988         if (rows.length > 1) {
 989                 alert(__("Please select only one user."));
 990                 return;
 991         }
 992
 993         var ok = confirm(__("Reset password of selected user?"));
 994
 995         if (ok) {
 996                 notify_progress("Resetting password for selected user...");
 997
 998                 var id = rows[0];
 999
1000                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
1001                         param_escape(id), true);
1002                 xmlhttp.onreadystatechange=userlist_callback;
1003                 xmlhttp.send(null);
1004         }
1005 }
1006
1007 function selectedUserDetails() {
1008
1009         if (!xmlhttp_ready(xmlhttp)) {
1010                 printLockingError();
1011                 return
1012         }
1013
1014         var rows = getSelectedUsers();
1015
1016         if (rows.length == 0) {
1017                 alert(__("No users are selected."));
1018                 return;
1019         }
1020
1021         if (rows.length > 1) {
1022                 alert(__("Please select only one user."));
1023                 return;
1024         }
1025
1026         notify_progress("Loading, please wait...");
1027
1028         var id = rows[0];
1029
1030         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1031         xmlhttp.onreadystatechange=infobox_callback;
1032         xmlhttp.send(null);
1033
1034 }
1035
1036 function selectedFeedDetails() {
1037
1038         if (!xmlhttp_ready(xmlhttp)) {
1039                 printLockingError();
1040                 return
1041         }
1042
1043         var rows = getSelectedFeeds();
1044
1045         if (rows.length == 0) {
1046                 alert(__("No feeds are selected."));
1047                 return;
1048         }
1049
1050         if (rows.length > 1) {
1051                 alert(__("Please select only one feed."));
1052                 return;
1053         }
1054
1055 //      var id = rows[0];
1056
1057         notify("");
1058
1059         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1060                 param_escape(rows.toString()), true);
1061         xmlhttp.onreadystatechange=infobox_callback;
1062         xmlhttp.send(null);
1063
1064 }
1065
1066 function editSelectedFilter() {
1067         var rows = getSelectedFilters();
1068
1069         if (rows.length == 0) {
1070                 alert(__("No filters are selected."));
1071                 return;
1072         }
1073
1074         if (rows.length > 1) {
1075                 alert(__("Please select only one filter."));
1076                 return;
1077         }
1078
1079         notify("");
1080
1081         editFilter(rows[0]);
1082
1083 }
1084
1085
1086 function editSelectedFeed() {
1087         var rows = getSelectedFeeds();
1088
1089         if (rows.length == 0) {
1090                 alert(__("No feeds are selected."));
1091                 return;
1092         }
1093
1094         if (rows.length > 1) {
1095                 alert(__("Please select one feed."));
1096                 return;
1097         }
1098
1099         notify("");
1100
1101         editFeed(rows[0]);
1102
1103 }
1104
1105 function editSelectedFeedCat() {
1106         var rows = getSelectedFeedCats();
1107
1108         if (rows.length == 0) {
1109                 alert(__("No categories are selected."));
1110                 return;
1111         }
1112
1113         if (rows.length > 1) {
1114                 alert(__("Please select only one category."));
1115                 return;
1116         }
1117
1118         notify("");
1119
1120         editFeedCat(rows[0]);
1121
1122 }
1123
1124 function piggie_callback() {
1125         var piggie = document.getElementById("piggie");
1126
1127         piggie.style.top = piggie_top;
1128         piggie.style.backgroundColor = "white";
1129         piggie.style.borderWidth = "1px";
1130
1131         if (piggie_fwd && piggie_top < 0) {
1132                 setTimeout("piggie_callback()", 50);
1133                 piggie_top = piggie_top + 10;
1134         } else if (piggie_fwd && piggie_top >= 0) {
1135                 piggie_fwd = false;
1136                 setTimeout("piggie_callback()", 50);
1137         } else if (!piggie_fwd && piggie_top > -400) {
1138                 setTimeout("piggie_callback()", 50);
1139                 piggie_top = piggie_top - 10;
1140         } else if (!piggie_fwd && piggie_top <= -400) {
1141                 piggie.style.display = "none";
1142                 piggie_fwd = true;
1143         }
1144 }
1145
1146 var piggie_opacity = 0;
1147
1148 function piggie2_callback() {
1149         var piggie = document.getElementById("piggie");
1150         piggie.style.top = 0;
1151         piggie.style.opacity = piggie_opacity;
1152         piggie.style.backgroundColor = "transparent";
1153         piggie.style.borderWidth = "0px";
1154
1155         if (piggie_fwd && piggie_opacity < 1) {
1156                 setTimeout("piggie2_callback()", 50);
1157                 piggie_opacity = piggie_opacity + 0.03;
1158         } else if (piggie_fwd && piggie_opacity >= 1) {
1159                 piggie_fwd = false;
1160                 setTimeout("piggie2_callback()", 50);
1161         } else if (!piggie_fwd && piggie_opacity > 0) {
1162                 setTimeout("piggie2_callback()", 50);
1163                 piggie_opacity = piggie_opacity - 0.03;
1164         } else if (!piggie_fwd && piggie_opacity <= 0) {
1165                 piggie.style.display = "none";
1166                 piggie_fwd = true;
1167         }
1168 }
1169
1170 function localPiggieFunction(enable) {
1171         if (enable) {
1172                 debug("I LOVEDED IT!");
1173                 var piggie = document.getElementById("piggie");
1174                 piggie.style.display = "block";
1175
1176                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1177                         piggie2_callback();
1178                 } else {
1179                         piggie_callback();
1180                 }
1181         }
1182 }
1183
1184 function validateOpmlImport() {
1185
1186         var opml_file = document.getElementById("opml_file");
1187
1188         if (opml_file.value.length == 0) {
1189                 alert(__("No OPML file to upload."));
1190                 return false;
1191         } else {
1192                 return true;
1193         }
1194 }
1195
1196 function updateFilterList(sort_key) {
1197
1198         if (!xmlhttp_ready(xmlhttp)) {
1199                 printLockingError();
1200                 return
1201         }
1202
1203 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1204
1205 //      p_notify("Loading, please wait...");
1206
1207         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1208                 param_escape(sort_key), true);
1209         xmlhttp.onreadystatechange=filterlist_callback;
1210         xmlhttp.send(null);
1211
1212 }
1213
1214 function updateLabelList(sort_key) {
1215
1216         if (!xmlhttp_ready(xmlhttp)) {
1217                 printLockingError();
1218                 return
1219         }
1220
1221 //      p_notify("Loading, please wait...");
1222
1223 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1224
1225         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1226                 param_escape(sort_key), true);
1227         xmlhttp.onreadystatechange=labellist_callback;
1228         xmlhttp.send(null);
1229 }
1230
1231 function updatePrefsList() {
1232
1233         if (!xmlhttp_ready(xmlhttp)) {
1234                 printLockingError();
1235                 return
1236         }
1237
1238 //      p_notify("Loading, please wait...");
1239
1240         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1241         xmlhttp.onreadystatechange=prefslist_callback;
1242         xmlhttp.send(null);
1243
1244 }
1245
1246 function selectTab(id, noupdate, subop) {
1247
1248 //      alert(id);
1249
1250         if (!id) id = active_tab;
1251
1252         try {
1253
1254                 if (!xmlhttp_ready(xmlhttp)) {
1255                         printLockingError();
1256                         return
1257                 }
1258
1259                 try {
1260                         var c = document.getElementById('prefContent');
1261                         c.scrollTop = 0;
1262                 } catch (e) { };
1263
1264                 if (!noupdate) {
1265
1266                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1267
1268                         notify_progress("Loading, please wait...");
1269
1270                         // close active infobox if needed
1271                         closeInfoBox();
1272
1273                         // clean up all current selections, just in case
1274                         active_feed_cat = false;
1275                         active_label = false;
1276
1277                         if (id == "feedConfig") {
1278                                 updateFeedList();
1279                         } else if (id == "filterConfig") {
1280                                 updateFilterList();
1281                         } else if (id == "labelConfig") {
1282                                 updateLabelList();
1283                         } else if (id == "genConfig") {
1284                                 updatePrefsList();
1285                         } else if (id == "userConfig") {
1286                                 updateUsersList();
1287                         } else if (id == "feedBrowser") {
1288                                 updateBigFeedBrowser();
1289                         }
1290                 }
1291
1292                 var tab = document.getElementById(active_tab + "Tab");
1293
1294                 if (tab) {
1295                         if (tab.className.match("Selected")) {
1296                                 tab.className = "prefsTab";
1297                         }
1298                 }
1299
1300                 tab = document.getElementById(id + "Tab");
1301
1302                 if (tab) {
1303                         if (!tab.className.match("Selected")) {
1304                                 tab.className = tab.className + "Selected";
1305                         }
1306                 }
1307
1308                 active_tab = id;
1309
1310         } catch (e) {
1311                 exception_error("selectTab", e);
1312         }
1313 }
1314
1315 function backend_sanity_check_callback() {
1316
1317         if (xmlhttp.readyState == 4) {
1318
1319                 try {
1320
1321                         if (sanity_check_done) {
1322                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1323                               "presence of Firebug or some other disrupting extension. "+
1324                                         "Please disable it and try again.");
1325                                 return;
1326                         }
1327
1328                         if (!xmlhttp.responseXML) {
1329                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1330                                 return;
1331                         }
1332
1333                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1334
1335                         if (!reply) {
1336                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1337                                 return;
1338                         }
1339
1340                         var error_code = reply.getAttribute("error-code");
1341
1342                         if (error_code && error_code != 0) {
1343                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1344                         }
1345
1346                         debug("sanity check ok");
1347
1348                         var params = reply.nextSibling;
1349
1350                         if (params) {
1351                                 debug('reading init-params...');
1352                                 var param = params.firstChild;
1353
1354                                 while (param) {
1355                                         var k = param.getAttribute("key");
1356                                         var v = param.getAttribute("value");
1357                                         debug(k + " => " + v);
1358                                         init_params[k] = v;
1359                                         param = param.nextSibling;
1360                                 }
1361                         }
1362
1363                         sanity_check_done = true;
1364
1365                         init_second_stage();
1366
1367                 } catch (e) {
1368                         exception_error("backend_sanity_check_callback", e);
1369                 }
1370         }
1371 }
1372
1373 function init_second_stage() {
1374
1375         try {
1376                 active_tab = getInitParam("prefs_active_tab");
1377                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1378
1379                 document.onkeydown = pref_hotkey_handler;
1380
1381                 var tab = getURLParam('tab');
1382
1383                 caller_subop = getURLParam('subop');
1384
1385                 if (tab) {
1386                         active_tab = tab;
1387                 }
1388
1389                 if (navigator.userAgent.match("Opera")) {
1390                         setTimeout("selectTab()", 500);
1391                 } else {
1392                         selectTab(active_tab);
1393                 }
1394                 notify("");
1395         } catch (e) {
1396                 exception_error("init_second_stage", e);
1397         }
1398 }
1399
1400 function init() {
1401
1402         try {
1403
1404                 if (arguments.callee.done) return;
1405                 arguments.callee.done = true;
1406
1407                 if (getURLParam('debug')) {
1408                         document.getElementById('debug_output').style.display = 'block';
1409                         debug('debug mode activated');
1410                 }
1411
1412                 // IE kludge
1413                 if (!xmlhttp) {
1414                         document.getElementById("prefContent").innerHTML =
1415                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1416                                 "to function properly. Your browser doesn't seem to support it.";
1417                         return;
1418                 }
1419
1420                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1421                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1422                 xmlhttp.send(null);
1423
1424         } catch (e) {
1425                 exception_error("init", e);
1426         }
1427 }
1428
1429 function categorizeSelectedFeeds() {
1430
1431         if (!xmlhttp_ready(xmlhttp)) {
1432                 printLockingError();
1433                 return
1434         }
1435
1436         var sel_rows = getSelectedFeeds();
1437
1438         var cat_sel = document.getElementById("sfeed_set_fcat");
1439         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1440
1441         if (sel_rows.length > 0) {
1442
1443                 notify_progress("Changing category of selected feeds...");
1444
1445                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1446                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1447                 xmlhttp.onreadystatechange=feedlist_callback;
1448                 xmlhttp.send(null);
1449
1450         } else {
1451
1452                 alert(__("No feeds are selected."));
1453
1454         }
1455
1456 }
1457
1458 function validatePrefsReset() {
1459         return confirm(__("Reset to defaults?"));
1460 }
1461
1462 function browseFeeds(limit) {
1463
1464         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1465         xmlhttp.onreadystatechange=infobox_callback;
1466         xmlhttp.send(null);
1467
1468 }
1469
1470 function feedBrowserSubscribe() {
1471         try {
1472
1473                 var selected = getSelectedFeedsFromBrowser();
1474
1475                 if (selected.length > 0) {
1476                         closeInfoBox();
1477                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1478                                 param_escape(selected.toString()), true);
1479                         xmlhttp.onreadystatechange=feedlist_callback;
1480                         xmlhttp.send(null);
1481                 } else {
1482                         alert("No feeds are selected.");
1483                 }
1484
1485         } catch (e) {
1486                 exception_error("feedBrowserSubscribe", e);
1487         }
1488 }
1489
1490 function updateBigFeedBrowser(limit) {
1491
1492         if (!xmlhttp_ready(xmlhttp)) {
1493                 printLockingError();
1494                 return
1495         }
1496
1497 //      p_notify("Loading, please wait...");
1498
1499         var query = "backend.php?op=pref-feed-browser";
1500
1501         var limit_sel = document.getElementById("feedBrowserLimit");
1502
1503         if (limit_sel) {
1504                 var limit = limit_sel[limit_sel.selectedIndex].value;
1505                 query = query + "&limit=" + param_escape(limit);
1506         }
1507
1508         xmlhttp.open("GET", query, true);
1509         xmlhttp.onreadystatechange=feed_browser_callback;
1510         xmlhttp.send(null);
1511 }
1512
1513 function browserToggleExpand(id) {
1514         try {
1515 /*              if (feed_to_expand && feed_to_expand != id) {
1516                         var d = document.getElementById("BRDET-" + feed_to_expand);
1517                         d.style.display = "none";
1518                 } */
1519
1520                 if (!xmlhttp_ready(xmlhttp)) {
1521                         printLockingError();
1522                         return
1523                 }
1524
1525                 var d = document.getElementById("BRDET-" + id);
1526
1527                 if (d.style.display == "block") {
1528                         d.style.display = "none";
1529
1530                 } else {
1531
1532                         feed_to_expand = id;
1533
1534                         d.style.display = "block";
1535                         d.innerHTML = "Loading, please wait...";
1536
1537                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1538                                 + param_escape(id), true);
1539                         xmlhttp.onreadystatechange=expand_feed_callback;
1540                         xmlhttp.send(null);
1541                 }
1542
1543         } catch (e) {
1544                 exception_error("browserExpand", e);
1545         }
1546 }
1547
1548 function selectPrefRows(kind, select) {
1549
1550         if (kind) {
1551                 var opbarid = false;
1552                 var nchk = false;
1553                 var nrow = false;
1554                 var lname = false;
1555
1556                 if (kind == "feed") {
1557                         opbarid = "feedOpToolbar";
1558                         nrow = "FEEDR-";
1559                         nchk = "FRCHK-";
1560                         lname = "prefFeedList";
1561                 } else if (kind == "fcat") {
1562                         opbarid = "catOpToolbar";
1563                         nrow = "FCATR-";
1564                         nchk = "FCCHK-";
1565                         lname = "prefFeedCatList";
1566                 } else if (kind == "filter") {
1567                         opbarid = "filterOpToolbar";
1568                         nrow = "FILRR-";
1569                         nchk = "FICHK-";
1570                         lname = "prefFilterList";
1571                 } else if (kind == "label") {
1572                         opbarid = "labelOpToolbar";
1573                         nrow = "LILRR-";
1574                         nchk = "LICHK-";
1575                         lname = "prefLabelList";
1576                 } else if (kind == "user") {
1577                         opbarid = "userOpToolbar";
1578                         nrow = "UMRR-";
1579                         nchk = "UMCHK-";
1580                         lname = "prefUserList";
1581                 }
1582
1583                 if (opbarid) {
1584                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1585                         disableContainerChildren(opbarid, !select);
1586                 }
1587
1588         }
1589 }
1590
1591
1592 function toggleSelectPrefRow(sender, kind) {
1593
1594         toggleSelectRow(sender);
1595
1596         if (kind) {
1597                 var opbarid = false;
1598                 var nsel = -1;
1599
1600                 if (kind == "feed") {
1601                         opbarid = "feedOpToolbar";
1602                         nsel = getSelectedFeeds();
1603                 } else if (kind == "fcat") {
1604                         opbarid = "catOpToolbar";
1605                         nsel = getSelectedFeedCats();
1606                 } else if (kind == "filter") {
1607                         opbarid = "filterOpToolbar";
1608                         nsel = getSelectedFilters();
1609                 } else if (kind == "label") {
1610                         opbarid = "labelOpToolbar";
1611                         nsel = getSelectedLabels();
1612                 } else if (kind == "user") {
1613                         opbarid = "userOpToolbar";
1614                         nsel = getSelectedUsers();
1615                 }
1616
1617                 if (opbarid && nsel != -1) {
1618                         disableContainerChildren(opbarid, nsel == false);
1619                 }
1620
1621         }
1622 }
1623
1624 function toggleSelectFBListRow(sender) {
1625         toggleSelectListRow(sender);
1626         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1627 }
1628
1629 var seq = "";
1630
1631 function pref_hotkey_handler(e) {
1632         try {
1633
1634                 var keycode;
1635
1636                 if (!hotkeys_enabled) return;
1637
1638                 if (window.event) {
1639                         keycode = window.event.keyCode;
1640                 } else if (e) {
1641                         keycode = e.which;
1642                 }
1643
1644                 if (keycode == 13 || keycode == 27) {
1645                         seq = "";
1646                 } else {
1647                         seq = seq + "" + keycode;
1648                 }
1649
1650
1651         if (document.getElementById("piggie")) {
1652
1653                 if (seq.match("807371717369")) {
1654                         seq = "";
1655                         localPiggieFunction(true);
1656                 } else {
1657                         localPiggieFunction(false);
1658                 }
1659         }
1660
1661         } catch (e) {
1662                 exception_error("pref_hotkey_handler", e);
1663         }
1664 }
1665
1666 function userSwitch() {
1667         var chooser = document.getElementById("userSwitch");
1668         var user = chooser[chooser.selectedIndex].value;
1669         window.location = "prefs.php?swu=" + user;
1670 }
1671
1672 function editFeedCats() {
1673         if (!xmlhttp_ready(xmlhttp)) {
1674                 printLockingError();
1675                 return
1676         }
1677
1678         document.getElementById("subscribe_to_feed_btn").disabled = true;
1679
1680         try {
1681                 document.getElementById("top25_feeds_btn").disabled = true;
1682         } catch (e) {
1683                 // this button is not always available, no-op if not found
1684         }
1685
1686         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1687         xmlhttp.onreadystatechange=infobox_callback;
1688         xmlhttp.send(null);
1689 }
1690
1691 function showFeedsWithErrors() {
1692         displayDlg('feedUpdateErrors');
1693 }
1694
1695 function changeUserPassword() {
1696
1697         try {
1698
1699                 if (!xmlhttp_ready(xmlhttp)) {
1700                         printLockingError();
1701                         return false;
1702                 }
1703
1704                 var query = Form.serialize("change_pass_form");
1705
1706                 notify_progress("Trying to change password...");
1707
1708                 xmlhttp.open("POST", "backend.php", true);
1709                 xmlhttp.onreadystatechange=changepass_callback;
1710                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1711                 xmlhttp.send(query);
1712
1713         } catch (e) {
1714                 exception_error("changeUserPassword", e);
1715         }
1716
1717         return false;
1718 }
1719
1720 function changeUserEmail() {
1721
1722         try {
1723
1724                 if (!xmlhttp_ready(xmlhttp)) {
1725                         printLockingError();
1726                         return false;
1727                 }
1728
1729                 var query = Form.serialize("change_email_form");
1730
1731                 notify_progress("Trying to change e-mail...");
1732
1733                 xmlhttp.open("POST", "backend.php", true);
1734                 xmlhttp.onreadystatechange=notify_callback;
1735                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1736                 xmlhttp.send(query);
1737
1738         } catch (e) {
1739                 exception_error("changeUserPassword", e);
1740         }
1741
1742         return false;
1743
1744 }
1745
1746 function feedlistToggleSLAT() {
1747         notify_progress("Loading, please wait...");
1748         updateFeedList()
1749 }
1750
1751 /*
1752 function pubRegenKey() {
1753
1754         if (!xmlhttp_ready(xmlhttp)) {
1755                 printLockingError();
1756                 return false;
1757         }
1758
1759         var ok = confirm("Replace current publishing address with a new one?");
1760
1761         if (ok) {
1762
1763                 notify_progress("Trying to change address...");
1764
1765                 xmlhttp.open("GET", "backend.php?op=backend-rpc&subop=regen-pub-key");
1766                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1767                 xmlhttp.send(null);
1768         }
1769
1770         return false;
1771 } */