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 function expand_feed_callback() {
  20         if (xmlhttp.readyState == 4) {
  21                 try {
  22                         var container = document.getElementById("BRDET-" + feed_to_expand);
  23                         container.innerHTML=xmlhttp.responseText;
  24                         container.style.display = "block";
  25 //                      p_notify("");
  26                 } catch (e) {
  27                         exception_error("expand_feed_callback", e);
  28                 }
  29         }
  30 }
  31
  32 function feedlist_callback() {
  33         if (xmlhttp.readyState == 4) {
  34                 try {
  35                         var container = document.getElementById('prefContent');
  36                         container.innerHTML=xmlhttp.responseText;
  37                         selectTab("feedConfig", true);
  38
  39                         if (caller_subop) {
  40                                 var tuple = caller_subop.split(":");
  41                                 if (tuple[0] == 'editFeed') {
  42                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  43                                 }
  44
  45                                 caller_subop = false;
  46                         }
  47                         if (typeof correctPNG != 'undefined') {
  48                                 correctPNG();
  49                         }
  50                         notify("");
  51                 } catch (e) {
  52                         exception_error("feedlist_callback", e);
  53                 }
  54         }
  55 }
  56
  57 /* stub for subscription dialog */
  58
  59 function dlg_frefresh_callback() {
  60         if (xmlhttp.readyState == 4) {
  61         //      setTimeout("updateFeedList()", 500);
  62
  63                 try {
  64                         var container = document.getElementById('prefContent');
  65                         container.innerHTML=xmlhttp.responseText;
  66                         selectTab("feedConfig", true);
  67
  68                         if (caller_subop) {
  69                                 var tuple = caller_subop.split(":");
  70                                 if (tuple[0] == 'editFeed') {
  71                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  72                                 }
  73
  74                                 caller_subop = false;
  75                         }
  76                         if (typeof correctPNG != 'undefined') {
  77                                 correctPNG();
  78                         }
  79                         notify("");
  80                 } catch (e) {
  81                         exception_error("feedlist_callback", e);
  82                 }
  83         }
  84 }
  85
  86 function filterlist_callback() {
  87         var container = document.getElementById('prefContent');
  88         if (xmlhttp.readyState == 4) {
  89                 container.innerHTML=xmlhttp.responseText;
  90                 if (typeof correctPNG != 'undefined') {
  91                         correctPNG();
  92                 }
  93                 notify("");
  94         }
  95 }
  96
  97 function labellist_callback() {
  98         var container = document.getElementById('prefContent');
  99         if (xmlhttp.readyState == 4) {
 100                 closeInfoBox();
 101                 container.innerHTML=xmlhttp.responseText;
 102                 if (active_label) {
 103                         var row = document.getElementById("LILRR-" + active_label);
 104                         if (row) {
 105                                 if (!row.className.match("Selected")) {
 106                                         row.className = row.className + "Selected";
 107                                 }
 108                         }
 109                         var checkbox = document.getElementById("LICHK-" + active_label);
 110
 111                         if (checkbox) {
 112                                 checkbox.checked = true;
 113                         }
 114                 }
 115                 if (typeof correctPNG != 'undefined') {
 116                         correctPNG();
 117                 }
 118                 notify("");
 119         }
 120 }
 121
 122 function labeltest_callback() {
 123         var container = document.getElementById('label_test_result');
 124         if (xmlhttp.readyState == 4) {
 125                 container.innerHTML=xmlhttp.responseText;
 126                 notify("");
 127         }
 128 }
 129
 130 function feed_browser_callback() {
 131         var container = document.getElementById('prefContent');
 132         if (xmlhttp.readyState == 4) {
 133                 container.innerHTML=xmlhttp.responseText;
 134                 notify("");
 135         }
 136 }
 137
 138 function userlist_callback() {
 139         var container = document.getElementById('prefContent');
 140         if (xmlhttp.readyState == 4) {
 141                 container.innerHTML=xmlhttp.responseText;
 142                 notify("");
 143         }
 144 }
 145
 146 function prefslist_callback() {
 147         var container = document.getElementById('prefContent');
 148         if (xmlhttp.readyState == 4) {
 149
 150                 container.innerHTML=xmlhttp.responseText;
 151
 152                 notify("");
 153         }
 154 }
 155
 156 function gethelp_callback() {
 157         var container = document.getElementById('prefHelpBox');
 158         if (xmlhttp.readyState == 4) {
 159
 160                 container.innerHTML = xmlhttp.responseText;
 161                 container.style.display = "block";
 162
 163         }
 164 }
 165
 166 function notify_callback() {
 167         if (xmlhttp.readyState == 4) {
 168                 notify_info(xmlhttp.responseText);
 169         }
 170 }
 171
 172
 173 function changepass_callback() {
 174         try {
 175                 if (xmlhttp.readyState == 4) {
 176
 177                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 178                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 179                         } else {
 180                                 notify_info(xmlhttp.responseText);
 181                                 var warn = document.getElementById("default_pass_warning");
 182                                 if (warn) warn.style.display = "none";
 183                         }
 184
 185                         document.forms['change_pass_form'].reset();
 186
 187                 }
 188         } catch (e) {
 189                 exception_error("changepass_callback", e);
 190         }
 191 }
 192
 193 function updateFeedList(sort_key) {
 194
 195         if (!xmlhttp_ready(xmlhttp)) {
 196                 printLockingError();
 197                 return
 198         }
 199
 200 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 201
 202 //      p_notify("Loading, please wait...");
 203
 204         var feed_search = document.getElementById("feed_search");
 205         var search = "";
 206         if (feed_search) { search = feed_search.value; }
 207
 208         var slat = document.getElementById("show_last_article_times");
 209
 210         var slat_checked = false;
 211         if (slat) {
 212                 slat_checked = slat.checked;
 213         }
 214
 215         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 216                 "&sort=" + param_escape(sort_key) +
 217                 "&slat=" + param_escape(slat_checked) +
 218                 "&search=" + param_escape(search), true);
 219         xmlhttp.onreadystatechange=feedlist_callback;
 220         xmlhttp.send(null);
 221
 222 }
 223
 224 function updateUsersList(sort_key) {
 225
 226         if (!xmlhttp_ready(xmlhttp)) {
 227                 printLockingError();
 228                 return
 229         }
 230
 231 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 232
 233 //      p_notify("Loading, please wait...");
 234
 235         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 236                 + param_escape(sort_key), true);
 237         xmlhttp.onreadystatechange=userlist_callback;
 238         xmlhttp.send(null);
 239
 240 }
 241
 242 function addLabel() {
 243
 244         if (!xmlhttp_ready(xmlhttp)) {
 245                 printLockingError();
 246                 return
 247         }
 248
 249         var form = document.forms['label_edit_form'];
 250
 251         var sql_exp = form.sql_exp.value;
 252         var description = form.description.value;
 253
 254         if (sql_exp == "") {
 255                 alert("Can't create label: missing SQL expression.");
 256                 return false;
 257         }
 258
 259         if (description == "") {
 260                 alert("Can't create label: missing caption.");
 261                 return false;
 262         }
 263
 264         var query = Form.serialize("label_edit_form");
 265
 266         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 267         xmlhttp.onreadystatechange=infobox_submit_callback;
 268         xmlhttp.send(null);
 269 }
 270
 271 function addFeed() {
 272
 273         if (!xmlhttp_ready(xmlhttp)) {
 274                 printLockingError();
 275                 return
 276         }
 277
 278         var link = document.getElementById("fadd_link");
 279
 280         if (link.value.length == 0) {
 281                 alert(__("Error: No feed URL given."));
 282         } else if (!isValidURL(link.value)) {
 283                 alert(__("Error: Invalid feed URL."));
 284         } else {
 285                 notify_progress("Adding feed...");
 286
 287                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 288                         param_escape(link.value), true);
 289                 xmlhttp.onreadystatechange=feedlist_callback;
 290                 xmlhttp.send(null);
 291
 292                 link.value = "";
 293
 294         }
 295
 296 }
 297
 298 function addFeedCat() {
 299
 300         if (!xmlhttp_ready(xmlhttp)) {
 301                 printLockingError();
 302                 return
 303         }
 304
 305         var cat = document.getElementById("fadd_cat");
 306
 307         if (cat.value.length == 0) {
 308                 alert(__("Can't add category: no name specified."));
 309         } else {
 310                 notify_progress("Adding feed category...");
 311
 312                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 313                         param_escape(cat.value), true);
 314                 xmlhttp.onreadystatechange=infobox_callback;
 315                 xmlhttp.send(null);
 316
 317                 link.value = "";
 318
 319         }
 320
 321 }
 322 function addUser() {
 323
 324         if (!xmlhttp_ready(xmlhttp)) {
 325                 printLockingError();
 326                 return
 327         }
 328
 329         var sqlexp = document.getElementById("uadd_box");
 330
 331         if (sqlexp.value.length == 0) {
 332                 alert("Can't add user: no login specified.");
 333         } else {
 334                 notify_progress("Adding user...");
 335
 336                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 337                         param_escape(sqlexp.value), true);
 338
 339                 xmlhttp.onreadystatechange=userlist_callback;
 340                 xmlhttp.send(null);
 341
 342                 sqlexp.value = "";
 343         }
 344
 345 }
 346
 347 function editLabel(id) {
 348
 349         if (!xmlhttp_ready(xmlhttp)) {
 350                 printLockingError();
 351                 return
 352         }
 353
 354         notify_progress("Loading, please wait...");
 355
 356         document.getElementById("label_create_btn").disabled = true;
 357
 358         active_label = id;
 359
 360         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 361         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 362
 363         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 364                 param_escape(id), true);
 365         xmlhttp.onreadystatechange=infobox_callback;
 366         xmlhttp.send(null);
 367
 368 }
 369
 370 function editUser(id) {
 371
 372         if (!xmlhttp_ready(xmlhttp)) {
 373                 printLockingError();
 374                 return
 375         }
 376
 377         notify_progress("Loading, please wait...");
 378
 379         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 380         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 381
 382         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 383                 param_escape(id), true);
 384         xmlhttp.onreadystatechange=infobox_callback;
 385         xmlhttp.send(null);
 386
 387 }
 388
 389 function editFilter(id) {
 390
 391         if (!xmlhttp_ready(xmlhttp)) {
 392                 printLockingError();
 393                 return
 394         }
 395
 396         notify_progress("Loading, please wait...");
 397
 398         document.getElementById("create_filter_btn").disabled = true;
 399
 400         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 401         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 402
 403         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 404         xmlhttp.onreadystatechange=infobox_callback;
 405         xmlhttp.send(null);
 406 }
 407
 408 function editFeed(feed) {
 409
 410 //      notify("Editing feed...");
 411
 412         if (!xmlhttp_ready(xmlhttp)) {
 413                 printLockingError();
 414                 return
 415         }
 416
 417         notify_progress("Loading, please wait...");
 418
 419         document.getElementById("subscribe_to_feed_btn").disabled = true;
 420
 421         try {
 422                 document.getElementById("top25_feeds_btn").disabled = true;
 423         } catch (e) {
 424                 // this button is not always available, no-op if not found
 425         }
 426
 427         // clean selection from all rows & select row being edited
 428         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 429         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 430
 431         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 432                 param_escape(feed), true);
 433
 434         xmlhttp.onreadystatechange=infobox_callback;
 435         xmlhttp.send(null);
 436
 437 }
 438
 439 function editFeedCat(cat) {
 440
 441         if (!xmlhttp_ready(xmlhttp)) {
 442                 printLockingError();
 443                 return
 444         }
 445
 446         notify_progress("Loading, please wait...");
 447
 448         active_feed_cat = cat;
 449
 450         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 451                 param_escape(cat), true);
 452         xmlhttp.onreadystatechange=infobox_callback;
 453         xmlhttp.send(null);
 454
 455 }
 456
 457 function getSelectedLabels() {
 458         return getSelectedTableRowIds("prefLabelList", "LILRR");
 459 }
 460
 461 function getSelectedUsers() {
 462         return getSelectedTableRowIds("prefUserList", "UMRR");
 463 }
 464
 465 function getSelectedFeeds() {
 466         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 467 }
 468
 469 function getSelectedFilters() {
 470         return getSelectedTableRowIds("prefFilterList", "FILRR");
 471 }
 472
 473 function getSelectedFeedCats() {
 474         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 475 }
 476
 477 function getSelectedFeedsFromBrowser() {
 478
 479         var list = document.getElementById("browseFeedList");
 480         if (!list) list = document.getElementById("browseBigFeedList");
 481
 482         var selected = new Array();
 483
 484         for (i = 0; i < list.childNodes.length; i++) {
 485                 var child = list.childNodes[i];
 486                 if (child.id && child.id.match("FBROW-")) {
 487                         var id = child.id.replace("FBROW-", "");
 488
 489                         var cb = document.getElementById("FBCHK-" + id);
 490
 491                         if (cb.checked) {
 492                                 selected.push(id);
 493                         }
 494                 }
 495         }
 496
 497         return selected;
 498 }
 499
 500 function removeSelectedLabels() {
 501
 502         if (!xmlhttp_ready(xmlhttp)) {
 503                 printLockingError();
 504                 return
 505         }
 506
 507         var sel_rows = getSelectedLabels();
 508
 509         if (sel_rows.length > 0) {
 510
 511                 var ok = confirm("Remove selected labels?");
 512
 513                 if (ok) {
 514                         notify_progress("Removing selected labels...");
 515
 516                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 517                                 param_escape(sel_rows.toString()), true);
 518                         xmlhttp.onreadystatechange=labellist_callback;
 519                         xmlhttp.send(null);
 520                 }
 521         } else {
 522                 alert("No labels are selected.");
 523         }
 524
 525         return false;
 526 }
 527
 528 function removeSelectedUsers() {
 529
 530         if (!xmlhttp_ready(xmlhttp)) {
 531                 printLockingError();
 532                 return
 533         }
 534
 535         var sel_rows = getSelectedUsers();
 536
 537         if (sel_rows.length > 0) {
 538
 539                 var ok = confirm("Remove selected users?");
 540
 541                 if (ok) {
 542                         notify_progress("Removing selected users...");
 543
 544                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 545                                 param_escape(sel_rows.toString()), true);
 546                         xmlhttp.onreadystatechange=userlist_callback;
 547                         xmlhttp.send(null);
 548                 }
 549
 550         } else {
 551                 alert("No users are selected.");
 552         }
 553
 554         return false;
 555 }
 556
 557 function removeSelectedFilters() {
 558
 559         if (!xmlhttp_ready(xmlhttp)) {
 560                 printLockingError();
 561                 return
 562         }
 563
 564         var sel_rows = getSelectedFilters();
 565
 566         if (sel_rows.length > 0) {
 567
 568                 var ok = confirm("Remove selected filters?");
 569
 570                 if (ok) {
 571                         notify_progress("Removing selected filters...");
 572
 573                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 574                                 param_escape(sel_rows.toString()), true);
 575                         xmlhttp.onreadystatechange=filterlist_callback;
 576                         xmlhttp.send(null);
 577                 }
 578         } else {
 579                 alert("No filters are selected.");
 580         }
 581
 582         return false;
 583 }
 584
 585
 586 function removeSelectedFeeds() {
 587
 588         if (!xmlhttp_ready(xmlhttp)) {
 589                 printLockingError();
 590                 return
 591         }
 592
 593         var sel_rows = getSelectedFeeds();
 594
 595         if (sel_rows.length > 0) {
 596
 597                 var ok = confirm("Unsubscribe from selected feeds?");
 598
 599                 if (ok) {
 600
 601                         notify_progress("Unsubscribing from selected feeds...");
 602
 603                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 604                                 param_escape(sel_rows.toString()), true);
 605                         xmlhttp.onreadystatechange=feedlist_callback;
 606                         xmlhttp.send(null);
 607                 }
 608
 609         } else {
 610
 611                 alert("No feeds are selected.");
 612
 613         }
 614
 615         return false;
 616 }
 617
 618 function removeSelectedFeedCats() {
 619
 620         if (!xmlhttp_ready(xmlhttp)) {
 621                 printLockingError();
 622                 return
 623         }
 624
 625         var sel_rows = getSelectedFeedCats();
 626
 627         if (sel_rows.length > 0) {
 628
 629                 var ok = confirm("Remove selected categories?");
 630
 631                 if (ok) {
 632                         notify_progress("Removing selected categories...");
 633
 634                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 635                                 param_escape(sel_rows.toString()), true);
 636                         xmlhttp.onreadystatechange=infobox_callback;
 637                         xmlhttp.send(null);
 638                 }
 639
 640         } else {
 641
 642                 alert("No categories are selected.");
 643
 644         }
 645
 646         return false;
 647 }
 648
 649 function feedEditCancel() {
 650
 651         if (!xmlhttp_ready(xmlhttp)) {
 652                 printLockingError();
 653                 return
 654         }
 655
 656         document.getElementById("subscribe_to_feed_btn").disabled = false;
 657
 658         try {
 659                 document.getElementById("top25_feeds_btn").disabled = false;
 660         } catch (e) {
 661                 // this button is not always available, no-op if not found
 662         }
 663
 664         closeInfoBox();
 665
 666         selectPrefRows('feed', false); // cleanup feed selection
 667
 668         return false;
 669 }
 670
 671 function feedCatEditCancel() {
 672
 673         if (!xmlhttp_ready(xmlhttp)) {
 674                 printLockingError();
 675                 return
 676         }
 677
 678         active_feed_cat = false;
 679
 680 //      notify("Operation cancelled.");
 681
 682         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 683         xmlhttp.onreadystatechange=infobox_callback;
 684         xmlhttp.send(null);
 685
 686         return false;
 687 }
 688
 689 function feedEditSave() {
 690
 691         try {
 692
 693                 if (!xmlhttp_ready(xmlhttp)) {
 694                         printLockingError();
 695                         return
 696                 }
 697
 698                 // FIXME: add parameter validation
 699
 700                 var query = Form.serialize("edit_feed_form");
 701
 702                 notify_progress("Saving feed...");
 703
 704                 xmlhttp.open("POST", "backend.php", true);
 705                 xmlhttp.onreadystatechange=feedlist_callback;
 706                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 707                 xmlhttp.send(query);
 708
 709                 closeInfoBox();
 710
 711                 return false;
 712
 713         } catch (e) {
 714                 exception_error("feedEditSave", e);
 715         }
 716 }
 717
 718 function feedCatEditSave() {
 719
 720         if (!xmlhttp_ready(xmlhttp)) {
 721                 printLockingError();
 722                 return
 723         }
 724
 725         notify_progress("Saving category...");
 726
 727         var query = Form.serialize("feed_cat_edit_form");
 728
 729         xmlhttp.open("GET", "backend.php?" + query, true);
 730         xmlhttp.onreadystatechange=infobox_callback;
 731         xmlhttp.send(null);
 732
 733         active_feed_cat = false;
 734
 735         return false;
 736 }
 737
 738
 739 function labelTest() {
 740
 741         var container = document.getElementById('label_test_result');
 742         container.style.display = "block";
 743         container.innerHTML = "<p>Loading, please wait...</p>";
 744
 745         var form = document.forms['label_edit_form'];
 746
 747         var sql_exp = form.sql_exp.value;
 748         var description = form.description.value;
 749
 750         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 751                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 752
 753         xmlhttp.onreadystatechange=labeltest_callback;
 754         xmlhttp.send(null);
 755
 756         return false;
 757 }
 758
 759 function displayHelpInfobox(topic_id) {
 760
 761 /*      if (!xmlhttp_ready(xmlhttp)) {
 762                 printLockingError();
 763                 return
 764         }
 765
 766         notify_progress("Loading help...");
 767
 768         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 769                 param_escape(topic_id), true);
 770
 771         xmlhttp.onreadystatechange=helpbox_callback;
 772         xmlhttp.send(null); */
 773
 774         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 775
 776         var w = window.open(url, "ttrss_help",
 777                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 778
 779 }
 780
 781 function labelEditCancel() {
 782
 783         if (!xmlhttp_ready(xmlhttp)) {
 784                 printLockingError();
 785                 return
 786         }
 787
 788         document.getElementById("label_create_btn").disabled = false;
 789
 790         active_label = false;
 791
 792         selectPrefRows('label', false); // cleanup feed selection
 793         closeInfoBox();
 794
 795         return false;
 796 }
 797
 798 function userEditCancel() {
 799
 800         if (!xmlhttp_ready(xmlhttp)) {
 801                 printLockingError();
 802                 return
 803         }
 804
 805         selectPrefRows('user', false); // cleanup feed selection
 806         closeInfoBox();
 807
 808         return false;
 809 }
 810
 811 function filterEditCancel() {
 812
 813         if (!xmlhttp_ready(xmlhttp)) {
 814                 printLockingError();
 815                 return
 816         }
 817
 818         document.getElementById("create_filter_btn").disabled = false;
 819
 820         selectPrefRows('filter', false); // cleanup feed selection
 821         closeInfoBox();
 822
 823         return false;
 824 }
 825
 826 function labelEditSave() {
 827
 828         var label = active_label;
 829
 830         if (!xmlhttp_ready(xmlhttp)) {
 831                 printLockingError();
 832                 return
 833         }
 834
 835 /*      if (!is_opera()) {
 836
 837                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 838                 var description = document.forms["label_edit_form"].description.value;
 839
 840                 if (sql_exp.length == 0) {
 841                         alert("SQL Expression cannot be blank.");
 842                         return false;
 843                 }
 844
 845                 if (description.length == 0) {
 846                         alert("Caption field cannot be blank.");
 847                         return false;
 848                 }
 849         } */
 850
 851         closeInfoBox();
 852
 853         notify_progress("Saving label...");
 854
 855         active_label = false;
 856
 857         query = Form.serialize("label_edit_form");
 858
 859         xmlhttp.open("GET", "backend.php?" + query, true);
 860         xmlhttp.onreadystatechange=labellist_callback;
 861         xmlhttp.send(null);
 862
 863         return false;
 864 }
 865
 866 function userEditSave() {
 867
 868         if (!xmlhttp_ready(xmlhttp)) {
 869                 printLockingError();
 870                 return
 871         }
 872
 873         var login = document.forms["user_edit_form"].login.value;
 874
 875         if (login.length == 0) {
 876                 alert("Login field cannot be blank.");
 877                 return;
 878         }
 879
 880         notify_progress("Saving user...");
 881
 882         closeInfoBox();
 883
 884         var query = Form.serialize("user_edit_form");
 885
 886         xmlhttp.open("GET", "backend.php?" + query, true);
 887         xmlhttp.onreadystatechange=userlist_callback;
 888         xmlhttp.send(null);
 889
 890         return false;
 891 }
 892
 893
 894 function filterEditSave() {
 895
 896         if (!xmlhttp_ready(xmlhttp)) {
 897                 printLockingError();
 898                 return
 899         }
 900
 901 /*      if (!is_opera()) {
 902                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 903
 904                 if (reg_exp.length == 0) {
 905                         alert("Filter expression field cannot be blank.");
 906                         return;
 907                 }
 908         } */
 909
 910         notify_progress("Saving filter...");
 911
 912         var query = Form.serialize("filter_edit_form");
 913
 914         closeInfoBox();
 915
 916         document.getElementById("create_filter_btn").disabled = false;
 917
 918         xmlhttp.open("GET", "backend.php?" + query, true);
 919         xmlhttp.onreadystatechange=filterlist_callback;
 920         xmlhttp.send(null);
 921
 922         return false;
 923 }
 924
 925 function editSelectedLabel() {
 926         var rows = getSelectedLabels();
 927
 928         if (rows.length == 0) {
 929                 alert(__("No labels are selected."));
 930                 return;
 931         }
 932
 933         if (rows.length > 1) {
 934                 alert(__("Please select only one label."));
 935                 return;
 936         }
 937
 938         notify("");
 939
 940         editLabel(rows[0]);
 941
 942 }
 943
 944 function editSelectedUser() {
 945         var rows = getSelectedUsers();
 946
 947         if (rows.length == 0) {
 948                 alert(__("No users are selected."));
 949                 return;
 950         }
 951
 952         if (rows.length > 1) {
 953                 alert(__("Please select only one user."));
 954                 return;
 955         }
 956
 957         notify("");
 958
 959         editUser(rows[0]);
 960 }
 961
 962 function resetSelectedUserPass() {
 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         var ok = confirm(__("Reset password of selected user?"));
 976
 977         if (ok) {
 978                 notify_progress("Resetting password for selected user...");
 979
 980                 var id = rows[0];
 981
 982                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 983                         param_escape(id), true);
 984                 xmlhttp.onreadystatechange=userlist_callback;
 985                 xmlhttp.send(null);
 986         }
 987 }
 988
 989 function selectedUserDetails() {
 990
 991         if (!xmlhttp_ready(xmlhttp)) {
 992                 printLockingError();
 993                 return
 994         }
 995
 996         var rows = getSelectedUsers();
 997
 998         if (rows.length == 0) {
 999                 alert(__("No users are selected."));
1000                 return;
1001         }
1002
1003         if (rows.length > 1) {
1004                 alert(__("Please select only one user."));
1005                 return;
1006         }
1007
1008         notify_progress("Loading, please wait...");
1009
1010         var id = rows[0];
1011
1012         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1013         xmlhttp.onreadystatechange=infobox_callback;
1014         xmlhttp.send(null);
1015
1016 }
1017
1018 function selectedFeedDetails() {
1019
1020         if (!xmlhttp_ready(xmlhttp)) {
1021                 printLockingError();
1022                 return
1023         }
1024
1025         var rows = getSelectedFeeds();
1026
1027         if (rows.length == 0) {
1028                 alert(__("No feeds are selected."));
1029                 return;
1030         }
1031
1032         if (rows.length > 1) {
1033                 alert(__("Please select only one feed."));
1034                 return;
1035         }
1036
1037 //      var id = rows[0];
1038
1039         notify("");
1040
1041         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1042                 param_escape(rows.toString()), true);
1043         xmlhttp.onreadystatechange=infobox_callback;
1044         xmlhttp.send(null);
1045
1046 }
1047
1048 function editSelectedFilter() {
1049         var rows = getSelectedFilters();
1050
1051         if (rows.length == 0) {
1052                 alert(__("No filters are selected."));
1053                 return;
1054         }
1055
1056         if (rows.length > 1) {
1057                 alert(__("Please select only one filter."));
1058                 return;
1059         }
1060
1061         notify("");
1062
1063         editFilter(rows[0]);
1064
1065 }
1066
1067
1068 function editSelectedFeed() {
1069         var rows = getSelectedFeeds();
1070
1071         if (rows.length == 0) {
1072                 alert(__("No feeds are selected."));
1073                 return;
1074         }
1075
1076         if (rows.length > 1) {
1077                 alert(__("Please select one feed."));
1078                 return;
1079         }
1080
1081         notify("");
1082
1083         editFeed(rows[0]);
1084
1085 }
1086
1087 function editSelectedFeedCat() {
1088         var rows = getSelectedFeedCats();
1089
1090         if (rows.length == 0) {
1091                 alert(__("No categories are selected."));
1092                 return;
1093         }
1094
1095         if (rows.length > 1) {
1096                 alert(__("Please select only one category."));
1097                 return;
1098         }
1099
1100         notify("");
1101
1102         editFeedCat(rows[0]);
1103
1104 }
1105
1106 function piggie_callback() {
1107         var piggie = document.getElementById("piggie");
1108
1109         piggie.style.top = piggie_top;
1110         piggie.style.backgroundColor = "white";
1111         piggie.style.borderWidth = "1px";
1112
1113         if (piggie_fwd && piggie_top < 0) {
1114                 setTimeout("piggie_callback()", 50);
1115                 piggie_top = piggie_top + 10;
1116         } else if (piggie_fwd && piggie_top >= 0) {
1117                 piggie_fwd = false;
1118                 setTimeout("piggie_callback()", 50);
1119         } else if (!piggie_fwd && piggie_top > -400) {
1120                 setTimeout("piggie_callback()", 50);
1121                 piggie_top = piggie_top - 10;
1122         } else if (!piggie_fwd && piggie_top <= -400) {
1123                 piggie.style.display = "none";
1124                 piggie_fwd = true;
1125         }
1126 }
1127
1128 var piggie_opacity = 0;
1129
1130 function piggie2_callback() {
1131         var piggie = document.getElementById("piggie");
1132         piggie.style.top = 0;
1133         piggie.style.opacity = piggie_opacity;
1134         piggie.style.backgroundColor = "transparent";
1135         piggie.style.borderWidth = "0px";
1136
1137         if (piggie_fwd && piggie_opacity < 1) {
1138                 setTimeout("piggie2_callback()", 50);
1139                 piggie_opacity = piggie_opacity + 0.03;
1140         } else if (piggie_fwd && piggie_opacity >= 1) {
1141                 piggie_fwd = false;
1142                 setTimeout("piggie2_callback()", 50);
1143         } else if (!piggie_fwd && piggie_opacity > 0) {
1144                 setTimeout("piggie2_callback()", 50);
1145                 piggie_opacity = piggie_opacity - 0.03;
1146         } else if (!piggie_fwd && piggie_opacity <= 0) {
1147                 piggie.style.display = "none";
1148                 piggie_fwd = true;
1149         }
1150 }
1151
1152 function localPiggieFunction(enable) {
1153         if (enable) {
1154                 debug("I LOVEDED IT!");
1155                 var piggie = document.getElementById("piggie");
1156                 piggie.style.display = "block";
1157
1158                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1159                         piggie2_callback();
1160                 } else {
1161                         piggie_callback();
1162                 }
1163         }
1164 }
1165
1166 function validateOpmlImport() {
1167
1168         var opml_file = document.getElementById("opml_file");
1169
1170         if (opml_file.value.length == 0) {
1171                 alert(__("No OPML file to upload."));
1172                 return false;
1173         } else {
1174                 return true;
1175         }
1176 }
1177
1178 function updateFilterList(sort_key) {
1179
1180         if (!xmlhttp_ready(xmlhttp)) {
1181                 printLockingError();
1182                 return
1183         }
1184
1185 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1186
1187 //      p_notify("Loading, please wait...");
1188
1189         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1190                 param_escape(sort_key), true);
1191         xmlhttp.onreadystatechange=filterlist_callback;
1192         xmlhttp.send(null);
1193
1194 }
1195
1196 function updateLabelList(sort_key) {
1197
1198         if (!xmlhttp_ready(xmlhttp)) {
1199                 printLockingError();
1200                 return
1201         }
1202
1203 //      p_notify("Loading, please wait...");
1204
1205 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1206
1207         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1208                 param_escape(sort_key), true);
1209         xmlhttp.onreadystatechange=labellist_callback;
1210         xmlhttp.send(null);
1211 }
1212
1213 function updatePrefsList() {
1214
1215         if (!xmlhttp_ready(xmlhttp)) {
1216                 printLockingError();
1217                 return
1218         }
1219
1220 //      p_notify("Loading, please wait...");
1221
1222         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1223         xmlhttp.onreadystatechange=prefslist_callback;
1224         xmlhttp.send(null);
1225
1226 }
1227
1228 function selectTab(id, noupdate, subop) {
1229
1230 //      alert(id);
1231
1232         if (!id) id = active_tab;
1233
1234         try {
1235
1236                 if (!xmlhttp_ready(xmlhttp)) {
1237                         printLockingError();
1238                         return
1239                 }
1240
1241                 try {
1242                         var c = document.getElementById('prefContent');
1243                         c.scrollTop = 0;
1244                 } catch (e) { };
1245
1246                 if (!noupdate) {
1247
1248                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1249
1250                         notify_progress("Loading, please wait...");
1251
1252                         // close active infobox if needed
1253                         closeInfoBox();
1254
1255                         // clean up all current selections, just in case
1256                         active_feed_cat = false;
1257                         active_label = false;
1258
1259                         if (id == "feedConfig") {
1260                                 updateFeedList();
1261                         } else if (id == "filterConfig") {
1262                                 updateFilterList();
1263                         } else if (id == "labelConfig") {
1264                                 updateLabelList();
1265                         } else if (id == "genConfig") {
1266                                 updatePrefsList();
1267                         } else if (id == "userConfig") {
1268                                 updateUsersList();
1269                         } else if (id == "feedBrowser") {
1270                                 updateBigFeedBrowser();
1271                         }
1272                 }
1273
1274                 var tab = document.getElementById(active_tab + "Tab");
1275
1276                 if (tab) {
1277                         if (tab.className.match("Selected")) {
1278                                 tab.className = "prefsTab";
1279                         }
1280                 }
1281
1282                 tab = document.getElementById(id + "Tab");
1283
1284                 if (tab) {
1285                         if (!tab.className.match("Selected")) {
1286                                 tab.className = tab.className + "Selected";
1287                         }
1288                 }
1289
1290                 active_tab = id;
1291
1292         } catch (e) {
1293                 exception_error("selectTab", e);
1294         }
1295 }
1296
1297 function backend_sanity_check_callback() {
1298
1299         if (xmlhttp.readyState == 4) {
1300
1301                 try {
1302
1303                         if (sanity_check_done) {
1304                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1305                               "presence of Firebug or some other disrupting extension. "+
1306                                         "Please disable it and try again.");
1307                                 return;
1308                         }
1309
1310                         if (!xmlhttp.responseXML) {
1311                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1312                                 return;
1313                         }
1314
1315                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1316
1317                         if (!reply) {
1318                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1319                                 return;
1320                         }
1321
1322                         var error_code = reply.getAttribute("error-code");
1323
1324                         if (error_code && error_code != 0) {
1325                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1326                         }
1327
1328                         debug("sanity check ok");
1329
1330                         var params = reply.nextSibling;
1331
1332                         if (params) {
1333                                 debug('reading init-params...');
1334                                 var param = params.firstChild;
1335
1336                                 while (param) {
1337                                         var k = param.getAttribute("key");
1338                                         var v = param.getAttribute("value");
1339                                         debug(k + " => " + v);
1340                                         init_params[k] = v;
1341                                         param = param.nextSibling;
1342                                 }
1343                         }
1344
1345                         sanity_check_done = true;
1346
1347                         init_second_stage();
1348
1349                 } catch (e) {
1350                         exception_error("backend_sanity_check_callback", e);
1351                 }
1352         }
1353 }
1354
1355 function init_second_stage() {
1356
1357         try {
1358                 active_tab = getInitParam("prefs_active_tab");
1359                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1360
1361                 document.onkeydown = pref_hotkey_handler;
1362
1363                 var tab = getURLParam('tab');
1364
1365                 caller_subop = getURLParam('subop');
1366
1367                 if (tab) {
1368                         active_tab = tab;
1369                 }
1370
1371                 if (navigator.userAgent.match("Opera")) {
1372                         setTimeout("selectTab()", 500);
1373                 } else {
1374                         selectTab(active_tab);
1375                 }
1376                 notify("");
1377         } catch (e) {
1378                 exception_error("init_second_stage", e);
1379         }
1380 }
1381
1382 function init() {
1383
1384         try {
1385
1386                 if (arguments.callee.done) return;
1387                 arguments.callee.done = true;
1388
1389                 if (getURLParam('debug')) {
1390                         document.getElementById('debug_output').style.display = 'block';
1391                         debug('debug mode activated');
1392                 }
1393
1394                 // IE kludge
1395                 if (!xmlhttp) {
1396                         document.getElementById("prefContent").innerHTML =
1397                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1398                                 "to function properly. Your browser doesn't seem to support it.";
1399                         return;
1400                 }
1401
1402                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1403                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1404                 xmlhttp.send(null);
1405
1406         } catch (e) {
1407                 exception_error("init", e);
1408         }
1409 }
1410
1411 function categorizeSelectedFeeds() {
1412
1413         if (!xmlhttp_ready(xmlhttp)) {
1414                 printLockingError();
1415                 return
1416         }
1417
1418         var sel_rows = getSelectedFeeds();
1419
1420         var cat_sel = document.getElementById("sfeed_set_fcat");
1421         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1422
1423         if (sel_rows.length > 0) {
1424
1425                 notify_progress("Changing category of selected feeds...");
1426
1427                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1428                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1429                 xmlhttp.onreadystatechange=feedlist_callback;
1430                 xmlhttp.send(null);
1431
1432         } else {
1433
1434                 alert(__("No feeds are selected."));
1435
1436         }
1437
1438 }
1439
1440 function validatePrefsReset() {
1441         return confirm(__("Reset to defaults?"));
1442 }
1443
1444 function browseFeeds(limit) {
1445
1446         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1447         xmlhttp.onreadystatechange=infobox_callback;
1448         xmlhttp.send(null);
1449
1450 }
1451
1452 function feedBrowserSubscribe() {
1453         try {
1454
1455                 var selected = getSelectedFeedsFromBrowser();
1456
1457                 if (selected.length > 0) {
1458                         closeInfoBox();
1459                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1460                                 param_escape(selected.toString()), true);
1461                         xmlhttp.onreadystatechange=feedlist_callback;
1462                         xmlhttp.send(null);
1463                 } else {
1464                         alert("No feeds are selected.");
1465                 }
1466
1467         } catch (e) {
1468                 exception_error("feedBrowserSubscribe", e);
1469         }
1470 }
1471
1472 function updateBigFeedBrowser(limit) {
1473
1474         if (!xmlhttp_ready(xmlhttp)) {
1475                 printLockingError();
1476                 return
1477         }
1478
1479 //      p_notify("Loading, please wait...");
1480
1481         var query = "backend.php?op=pref-feed-browser";
1482
1483         var limit_sel = document.getElementById("feedBrowserLimit");
1484
1485         if (limit_sel) {
1486                 var limit = limit_sel[limit_sel.selectedIndex].value;
1487                 query = query + "&limit=" + param_escape(limit);
1488         }
1489
1490         xmlhttp.open("GET", query, true);
1491         xmlhttp.onreadystatechange=feed_browser_callback;
1492         xmlhttp.send(null);
1493 }
1494
1495 function browserToggleExpand(id) {
1496         try {
1497 /*              if (feed_to_expand && feed_to_expand != id) {
1498                         var d = document.getElementById("BRDET-" + feed_to_expand);
1499                         d.style.display = "none";
1500                 } */
1501
1502                 if (!xmlhttp_ready(xmlhttp)) {
1503                         printLockingError();
1504                         return
1505                 }
1506
1507                 var d = document.getElementById("BRDET-" + id);
1508
1509                 if (d.style.display == "block") {
1510                         d.style.display = "none";
1511
1512                 } else {
1513
1514                         feed_to_expand = id;
1515
1516                         d.style.display = "block";
1517                         d.innerHTML = "Loading, please wait...";
1518
1519                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1520                                 + param_escape(id), true);
1521                         xmlhttp.onreadystatechange=expand_feed_callback;
1522                         xmlhttp.send(null);
1523                 }
1524
1525         } catch (e) {
1526                 exception_error("browserExpand", e);
1527         }
1528 }
1529
1530 function selectPrefRows(kind, select) {
1531
1532         if (kind) {
1533                 var opbarid = false;
1534                 var nchk = false;
1535                 var nrow = false;
1536                 var lname = false;
1537
1538                 if (kind == "feed") {
1539                         opbarid = "feedOpToolbar";
1540                         nrow = "FEEDR-";
1541                         nchk = "FRCHK-";
1542                         lname = "prefFeedList";
1543                 } else if (kind == "fcat") {
1544                         opbarid = "catOpToolbar";
1545                         nrow = "FCATR-";
1546                         nchk = "FCCHK-";
1547                         lname = "prefFeedCatList";
1548                 } else if (kind == "filter") {
1549                         opbarid = "filterOpToolbar";
1550                         nrow = "FILRR-";
1551                         nchk = "FICHK-";
1552                         lname = "prefFilterList";
1553                 } else if (kind == "label") {
1554                         opbarid = "labelOpToolbar";
1555                         nrow = "LILRR-";
1556                         nchk = "LICHK-";
1557                         lname = "prefLabelList";
1558                 } else if (kind == "user") {
1559                         opbarid = "userOpToolbar";
1560                         nrow = "UMRR-";
1561                         nchk = "UMCHK-";
1562                         lname = "prefUserList";
1563                 }
1564
1565                 if (opbarid) {
1566                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1567                         disableContainerChildren(opbarid, !select);
1568                 }
1569
1570         }
1571 }
1572
1573
1574 function toggleSelectPrefRow(sender, kind) {
1575
1576         toggleSelectRow(sender);
1577
1578         if (kind) {
1579                 var opbarid = false;
1580                 var nsel = -1;
1581
1582                 if (kind == "feed") {
1583                         opbarid = "feedOpToolbar";
1584                         nsel = getSelectedFeeds();
1585                 } else if (kind == "fcat") {
1586                         opbarid = "catOpToolbar";
1587                         nsel = getSelectedFeedCats();
1588                 } else if (kind == "filter") {
1589                         opbarid = "filterOpToolbar";
1590                         nsel = getSelectedFilters();
1591                 } else if (kind == "label") {
1592                         opbarid = "labelOpToolbar";
1593                         nsel = getSelectedLabels();
1594                 } else if (kind == "user") {
1595                         opbarid = "userOpToolbar";
1596                         nsel = getSelectedUsers();
1597                 }
1598
1599                 if (opbarid && nsel != -1) {
1600                         disableContainerChildren(opbarid, nsel == false);
1601                 }
1602
1603         }
1604 }
1605
1606 function toggleSelectFBListRow(sender) {
1607         toggleSelectListRow(sender);
1608         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1609 }
1610
1611 var seq = "";
1612
1613 function pref_hotkey_handler(e) {
1614         try {
1615
1616                 var keycode;
1617
1618                 if (!hotkeys_enabled) return;
1619
1620                 if (window.event) {
1621                         keycode = window.event.keyCode;
1622                 } else if (e) {
1623                         keycode = e.which;
1624                 }
1625
1626                 if (keycode == 13 || keycode == 27) {
1627                         seq = "";
1628                 } else {
1629                         seq = seq + "" + keycode;
1630                 }
1631
1632
1633         if (document.getElementById("piggie")) {
1634
1635                 if (seq.match("807371717369")) {
1636                         seq = "";
1637                         localPiggieFunction(true);
1638                 } else {
1639                         localPiggieFunction(false);
1640                 }
1641         }
1642
1643         } catch (e) {
1644                 exception_error("pref_hotkey_handler", e);
1645         }
1646 }
1647
1648 function userSwitch() {
1649         var chooser = document.getElementById("userSwitch");
1650         var user = chooser[chooser.selectedIndex].value;
1651         window.location = "prefs.php?swu=" + user;
1652 }
1653
1654 function editFeedCats() {
1655         if (!xmlhttp_ready(xmlhttp)) {
1656                 printLockingError();
1657                 return
1658         }
1659
1660         document.getElementById("subscribe_to_feed_btn").disabled = true;
1661
1662         try {
1663                 document.getElementById("top25_feeds_btn").disabled = true;
1664         } catch (e) {
1665                 // this button is not always available, no-op if not found
1666         }
1667
1668         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1669         xmlhttp.onreadystatechange=infobox_callback;
1670         xmlhttp.send(null);
1671 }
1672
1673 function showFeedsWithErrors() {
1674         displayDlg('feedUpdateErrors');
1675 }
1676
1677 function changeUserPassword() {
1678
1679         try {
1680
1681                 if (!xmlhttp_ready(xmlhttp)) {
1682                         printLockingError();
1683                         return false;
1684                 }
1685
1686                 var query = Form.serialize("change_pass_form");
1687
1688                 notify_progress("Trying to change password...");
1689
1690                 xmlhttp.open("POST", "backend.php", true);
1691                 xmlhttp.onreadystatechange=changepass_callback;
1692                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1693                 xmlhttp.send(query);
1694
1695         } catch (e) {
1696                 exception_error("changeUserPassword", e);
1697         }
1698
1699         return false;
1700 }
1701
1702 function changeUserEmail() {
1703
1704         try {
1705
1706                 if (!xmlhttp_ready(xmlhttp)) {
1707                         printLockingError();
1708                         return false;
1709                 }
1710
1711                 var query = Form.serialize("change_email_form");
1712
1713                 notify_progress("Trying to change e-mail...");
1714
1715                 xmlhttp.open("POST", "backend.php", true);
1716                 xmlhttp.onreadystatechange=notify_callback;
1717                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1718                 xmlhttp.send(query);
1719
1720         } catch (e) {
1721                 exception_error("changeUserPassword", e);
1722         }
1723
1724         return false;
1725
1726 }
1727
1728 function feedlistToggleSLAT() {
1729         notify_progress("Loading, please wait...");
1730         updateFeedList()
1731 }