prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed_cat = false;
   4 var active_label = false;
   5 var active_tab = false;
   6 var feed_to_expand = false;
   7
   8 var xmlhttp = Ajax.getTransport();
   9
  10 var init_params = new Array();
  11
  12 var caller_subop = false;
  13
  14 var sanity_check_done = false;
  15
  16 function infobox_callback() {
  17         if (xmlhttp.readyState == 4) {
  18                 infobox_callback2(xmlhttp);
  19         }
  20 }
  21
  22 function infobox_submit_callback() {
  23         if (xmlhttp.readyState == 4) {
  24                 infobox_submit_callback2(xmlhttp);
  25         }
  26 }
  27
  28
  29 function replace_pubkey_callback() {
  30         if (xmlhttp.readyState == 4) {
  31                 try {
  32                         var link = document.getElementById("pubGenAddress");
  33
  34                         if (xmlhttp.responseXML) {
  35
  36                                 var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
  37
  38                                 if (new_link) {
  39                                         link.href = new_link.firstChild.nodeValue;
  40                                         link.innerHTML = new_link.firstChild.nodeValue;
  41
  42                                         new Effect.Highlight(link);
  43
  44                                         notify_info("Address changed.");
  45                                 } else {
  46                                         notify_error("Could not change address.");
  47                                 }
  48
  49                         } else {
  50                                 notify_error("Could not change address.");
  51                         }
  52                 } catch (e) {
  53                         exception_error("replace_pubkey_callback", e);
  54                 }
  55         }
  56 }
  57
  58 function expand_feed_callback() {
  59         if (xmlhttp.readyState == 4) {
  60                 try {
  61                         var container = document.getElementById("BRDET-" + feed_to_expand);
  62                         container.innerHTML=xmlhttp.responseText;
  63 //                      container.style.display = "block";
  64                         Effect.Appear(container, {duration : 0.5});
  65                 } catch (e) {
  66                         exception_error("expand_feed_callback", e);
  67                 }
  68         }
  69 }
  70
  71 function feedlist_callback() {
  72         if (xmlhttp.readyState == 4) {
  73                 try {
  74                         var container = document.getElementById('prefContent');
  75                         container.innerHTML=xmlhttp.responseText;
  76                         selectTab("feedConfig", true);
  77
  78                         if (caller_subop) {
  79                                 var tuple = caller_subop.split(":");
  80                                 if (tuple[0] == 'editFeed') {
  81                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  82                                 }
  83
  84                                 caller_subop = false;
  85                         }
  86                         if (typeof correctPNG != 'undefined') {
  87                                 correctPNG();
  88                         }
  89                         notify("");
  90                 } catch (e) {
  91                         exception_error("feedlist_callback", e);
  92                 }
  93         }
  94 }
  95
  96 /* stub for subscription dialog */
  97
  98 function dlg_frefresh_callback(transport) {
  99
 100         try {
 101                 var container = document.getElementById('prefContent');
 102                 container.innerHTML=transport.responseText;
 103                 selectTab("feedConfig", true);
 104
 105                 if (caller_subop) {
 106                         var tuple = caller_subop.split(":");
 107                         if (tuple[0] == 'editFeed') {
 108                                 window.setTimeout('editFeed('+tuple[1]+')', 100);
 109                         }
 110
 111                         caller_subop = false;
 112                 }
 113                 if (typeof correctPNG != 'undefined') {
 114                         correctPNG();
 115                 }
 116                 notify("");
 117         } catch (e) {
 118                 exception_error("feedlist_callback", e);
 119         }
 120
 121 }
 122
 123 function filterlist_callback() {
 124         var container = document.getElementById('prefContent');
 125         if (xmlhttp.readyState == 4) {
 126                 container.innerHTML=xmlhttp.responseText;
 127                 if (typeof correctPNG != 'undefined') {
 128                         correctPNG();
 129                 }
 130                 notify("");
 131         }
 132 }
 133
 134 function labellist_callback() {
 135         var container = document.getElementById('prefContent');
 136         if (xmlhttp.readyState == 4) {
 137                 closeInfoBox();
 138                 container.innerHTML=xmlhttp.responseText;
 139                 if (active_label) {
 140                         var row = document.getElementById("LILRR-" + active_label);
 141                         if (row) {
 142                                 if (!row.className.match("Selected")) {
 143                                         row.className = row.className + "Selected";
 144                                 }
 145                         }
 146                         var checkbox = document.getElementById("LICHK-" + active_label);
 147
 148                         if (checkbox) {
 149                                 checkbox.checked = true;
 150                         }
 151                 }
 152                 if (typeof correctPNG != 'undefined') {
 153                         correctPNG();
 154                 }
 155                 notify("");
 156         }
 157 }
 158
 159 function feed_browser_callback() {
 160         var container = document.getElementById('prefContent');
 161         if (xmlhttp.readyState == 4) {
 162                 container.innerHTML=xmlhttp.responseText;
 163                 notify("");
 164         }
 165 }
 166
 167 function userlist_callback() {
 168         var container = document.getElementById('prefContent');
 169         if (xmlhttp.readyState == 4) {
 170                 container.innerHTML=xmlhttp.responseText;
 171                 notify("");
 172         }
 173 }
 174
 175 function prefslist_callback() {
 176         var container = document.getElementById('prefContent');
 177         if (xmlhttp.readyState == 4) {
 178
 179                 container.innerHTML=xmlhttp.responseText;
 180
 181                 notify("");
 182         }
 183 }
 184
 185 function gethelp_callback() {
 186         var container = document.getElementById('prefHelpBox');
 187         if (xmlhttp.readyState == 4) {
 188
 189                 container.innerHTML = xmlhttp.responseText;
 190                 container.style.display = "block";
 191
 192         }
 193 }
 194
 195 function notify_callback() {
 196         if (xmlhttp.readyState == 4) {
 197                 notify_info(xmlhttp.responseText);
 198         }
 199 }
 200
 201 function prefs_reset_callback() {
 202         if (xmlhttp.readyState == 4) {
 203                 notify_info(xmlhttp.responseText);
 204                 selectTab();
 205         }
 206 }
 207
 208
 209 function changepass_callback() {
 210         try {
 211                 if (xmlhttp.readyState == 4) {
 212
 213                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 214                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 215                         } else {
 216                                 notify_info(xmlhttp.responseText);
 217                                 var warn = document.getElementById("default_pass_warning");
 218                                 if (warn) warn.style.display = "none";
 219                         }
 220
 221                         document.forms['change_pass_form'].reset();
 222
 223                 }
 224         } catch (e) {
 225                 exception_error("changepass_callback", e);
 226         }
 227 }
 228
 229 function infobox_feed_cat_callback() {
 230         if (xmlhttp.readyState == 4) {
 231                 try {
 232
 233                         infobox_callback();
 234
 235                         if (document.getElementById("prefFeedCatList")) {
 236                                 var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
 237
 238                                 for (var i = 0; i < elems.length; i++) {
 239                                         if (elems[i].id && elems[i].id.match("FCATT-")) {
 240                                                 var cat_id = elems[i].id.replace("FCATT-", "");
 241
 242                                                 new Ajax.InPlaceEditor(elems[i],
 243                                                         'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
 244                                         }
 245                                 }
 246                         }
 247
 248                 } catch (e) {
 249                         exception_error("infobox_feed_cat_callback", e);
 250                 }
 251         }
 252 }
 253
 254 function updateFeedList(sort_key) {
 255
 256         if (!xmlhttp_ready(xmlhttp)) {
 257                 printLockingError();
 258                 return
 259         }
 260
 261         var feed_search = document.getElementById("feed_search");
 262         var search = "";
 263         if (feed_search) { search = feed_search.value; }
 264
 265         var slat = document.getElementById("show_last_article_times");
 266
 267         var slat_checked = false;
 268         if (slat) {
 269                 slat_checked = slat.checked;
 270         }
 271
 272         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 273                 "&sort=" + param_escape(sort_key) +
 274                 "&slat=" + param_escape(slat_checked) +
 275                 "&search=" + param_escape(search), true);
 276         xmlhttp.onreadystatechange=feedlist_callback;
 277         xmlhttp.send(null);
 278
 279 }
 280
 281 function updateUsersList(sort_key) {
 282
 283         if (!xmlhttp_ready(xmlhttp)) {
 284                 printLockingError();
 285                 return
 286         }
 287
 288         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 289                 + param_escape(sort_key), true);
 290         xmlhttp.onreadystatechange=userlist_callback;
 291         xmlhttp.send(null);
 292
 293 }
 294
 295 function addLabel() {
 296
 297         if (!xmlhttp_ready(xmlhttp)) {
 298                 printLockingError();
 299                 return
 300         }
 301
 302         var form = document.forms['label_edit_form'];
 303
 304         var sql_exp = form.sql_exp.value;
 305         var description = form.description.value;
 306
 307         if (sql_exp == "") {
 308                 alert(__("Can't create label: missing SQL expression."));
 309                 return false;
 310         }
 311
 312         if (description == "") {
 313                 alert(__("Can't create label: missing caption."));
 314                 return false;
 315         }
 316
 317         var query = Form.serialize("label_edit_form");
 318
 319         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 320         xmlhttp.onreadystatechange=infobox_submit_callback;
 321         xmlhttp.send(null);
 322 }
 323
 324 function addFeed() {
 325
 326         if (!xmlhttp_ready(xmlhttp)) {
 327                 printLockingError();
 328                 return
 329         }
 330
 331         var link = document.getElementById("fadd_link");
 332
 333         if (link.value.length == 0) {
 334                 alert(__("Error: No feed URL given."));
 335         } else if (!isValidURL(link.value)) {
 336                 alert(__("Error: Invalid feed URL."));
 337         } else {
 338                 notify_progress("Adding feed...");
 339
 340                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 341                         param_escape(link.value), true);
 342                 xmlhttp.onreadystatechange=feedlist_callback;
 343                 xmlhttp.send(null);
 344
 345                 link.value = "";
 346
 347         }
 348
 349 }
 350
 351 function addFeedCat() {
 352
 353         if (!xmlhttp_ready(xmlhttp)) {
 354                 printLockingError();
 355                 return
 356         }
 357
 358         var cat = document.getElementById("fadd_cat");
 359
 360         if (cat.value.length == 0) {
 361                 alert(__("Can't add category: no name specified."));
 362         } else {
 363                 notify_progress("Adding feed category...");
 364
 365                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 366                         param_escape(cat.value), true);
 367                 xmlhttp.onreadystatechange=infobox_callback;
 368                 xmlhttp.send(null);
 369
 370                 link.value = "";
 371
 372         }
 373
 374 }
 375 function addUser() {
 376
 377         if (!xmlhttp_ready(xmlhttp)) {
 378                 printLockingError();
 379                 return
 380         }
 381
 382         var sqlexp = document.getElementById("uadd_box");
 383
 384         if (sqlexp.value.length == 0) {
 385                 alert(__("Can't add user: no login specified."));
 386         } else {
 387                 notify_progress("Adding user...");
 388
 389                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 390                         param_escape(sqlexp.value), true);
 391
 392                 xmlhttp.onreadystatechange=userlist_callback;
 393                 xmlhttp.send(null);
 394
 395                 sqlexp.value = "";
 396         }
 397
 398 }
 399
 400 function editLabel(id) {
 401
 402         if (!xmlhttp_ready(xmlhttp)) {
 403                 printLockingError();
 404                 return
 405         }
 406
 407         notify_progress("Loading, please wait...");
 408
 409         document.getElementById("label_create_btn").disabled = true;
 410
 411         active_label = id;
 412
 413         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 414         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 415
 416         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 417                 param_escape(id), true);
 418         xmlhttp.onreadystatechange=infobox_callback;
 419         xmlhttp.send(null);
 420
 421 }
 422
 423 function editUser(id) {
 424
 425         if (!xmlhttp_ready(xmlhttp)) {
 426                 printLockingError();
 427                 return
 428         }
 429
 430         notify_progress("Loading, please wait...");
 431
 432         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 433         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 434
 435         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 436                 param_escape(id), true);
 437         xmlhttp.onreadystatechange=infobox_callback;
 438         xmlhttp.send(null);
 439
 440 }
 441
 442 function editFilter(id) {
 443
 444         if (!xmlhttp_ready(xmlhttp)) {
 445                 printLockingError();
 446                 return
 447         }
 448
 449         notify_progress("Loading, please wait...");
 450
 451         document.getElementById("create_filter_btn").disabled = true;
 452
 453         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 454         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 455
 456         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 457         xmlhttp.onreadystatechange=infobox_callback;
 458         xmlhttp.send(null);
 459 }
 460
 461 function editFeed(feed) {
 462
 463 //      notify("Editing feed...");
 464
 465         if (!xmlhttp_ready(xmlhttp)) {
 466                 printLockingError();
 467                 return
 468         }
 469
 470         notify_progress("Loading, please wait...");
 471
 472         document.getElementById("subscribe_to_feed_btn").disabled = true;
 473
 474         try {
 475                 document.getElementById("top25_feeds_btn").disabled = true;
 476         } catch (e) {
 477                 // this button is not always available, no-op if not found
 478         }
 479
 480         // clean selection from all rows & select row being edited
 481         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 482         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 483
 484         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 485                 param_escape(feed), true);
 486
 487         xmlhttp.onreadystatechange=infobox_callback;
 488         xmlhttp.send(null);
 489
 490 }
 491
 492 function editFeedCat(cat) {
 493
 494         if (!xmlhttp_ready(xmlhttp)) {
 495                 printLockingError();
 496                 return
 497         }
 498
 499         notify_progress("Loading, please wait...");
 500
 501         active_feed_cat = cat;
 502
 503         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 504                 param_escape(cat), true);
 505         xmlhttp.onreadystatechange=infobox_callback;
 506         xmlhttp.send(null);
 507
 508 }
 509
 510 function getSelectedLabels() {
 511         return getSelectedTableRowIds("prefLabelList", "LILRR");
 512 }
 513
 514 function getSelectedUsers() {
 515         return getSelectedTableRowIds("prefUserList", "UMRR");
 516 }
 517
 518 function getSelectedFeeds() {
 519         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 520 }
 521
 522 function getSelectedFilters() {
 523         return getSelectedTableRowIds("prefFilterList", "FILRR");
 524 }
 525
 526 function getSelectedFeedCats() {
 527         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 528 }
 529
 530 function getSelectedFeedsFromBrowser() {
 531
 532         var list = document.getElementById("browseFeedList");
 533         if (!list) list = document.getElementById("browseBigFeedList");
 534
 535         var selected = new Array();
 536
 537         for (i = 0; i < list.childNodes.length; i++) {
 538                 var child = list.childNodes[i];
 539                 if (child.id && child.id.match("FBROW-")) {
 540                         var id = child.id.replace("FBROW-", "");
 541
 542                         var cb = document.getElementById("FBCHK-" + id);
 543
 544                         if (cb.checked) {
 545                                 selected.push(id);
 546                         }
 547                 }
 548         }
 549
 550         return selected;
 551 }
 552
 553 function removeSelectedLabels() {
 554
 555         if (!xmlhttp_ready(xmlhttp)) {
 556                 printLockingError();
 557                 return
 558         }
 559
 560         var sel_rows = getSelectedLabels();
 561
 562         if (sel_rows.length > 0) {
 563
 564                 var ok = confirm(__("Remove selected labels?"));
 565
 566                 if (ok) {
 567                         notify_progress("Removing selected labels...");
 568
 569                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 570                                 param_escape(sel_rows.toString()), true);
 571                         xmlhttp.onreadystatechange=labellist_callback;
 572                         xmlhttp.send(null);
 573                 }
 574         } else {
 575                 alert(__("No labels are selected."));
 576         }
 577
 578         return false;
 579 }
 580
 581 function removeSelectedUsers() {
 582
 583         if (!xmlhttp_ready(xmlhttp)) {
 584                 printLockingError();
 585                 return
 586         }
 587
 588         var sel_rows = getSelectedUsers();
 589
 590         if (sel_rows.length > 0) {
 591
 592                 var ok = confirm(__("Remove selected users?"));
 593
 594                 if (ok) {
 595                         notify_progress("Removing selected users...");
 596
 597                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 598                                 param_escape(sel_rows.toString()), true);
 599                         xmlhttp.onreadystatechange=userlist_callback;
 600                         xmlhttp.send(null);
 601                 }
 602
 603         } else {
 604                 alert(__("No users are selected."));
 605         }
 606
 607         return false;
 608 }
 609
 610 function removeSelectedFilters() {
 611
 612         if (!xmlhttp_ready(xmlhttp)) {
 613                 printLockingError();
 614                 return
 615         }
 616
 617         var sel_rows = getSelectedFilters();
 618
 619         if (sel_rows.length > 0) {
 620
 621                 var ok = confirm(__("Remove selected filters?"));
 622
 623                 if (ok) {
 624                         notify_progress("Removing selected filters...");
 625
 626                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 627                                 param_escape(sel_rows.toString()), true);
 628                         xmlhttp.onreadystatechange=filterlist_callback;
 629                         xmlhttp.send(null);
 630                 }
 631         } else {
 632                 alert(__("No filters are selected."));
 633         }
 634
 635         return false;
 636 }
 637
 638
 639 function removeSelectedFeeds() {
 640
 641         if (!xmlhttp_ready(xmlhttp)) {
 642                 printLockingError();
 643                 return
 644         }
 645
 646         var sel_rows = getSelectedFeeds();
 647
 648         if (sel_rows.length > 0) {
 649
 650                 var ok = confirm(__("Unsubscribe from selected feeds?"));
 651
 652                 if (ok) {
 653
 654                         notify_progress("Unsubscribing from selected feeds...");
 655
 656                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 657                                 param_escape(sel_rows.toString()), true);
 658                         xmlhttp.onreadystatechange=feedlist_callback;
 659                         xmlhttp.send(null);
 660                 }
 661
 662         } else {
 663
 664                 alert(__("No feeds are selected."));
 665
 666         }
 667
 668         return false;
 669 }
 670
 671 function clearSelectedFeeds() {
 672
 673         if (!xmlhttp_ready(xmlhttp)) {
 674                 printLockingError();
 675                 return
 676         }
 677
 678         var sel_rows = getSelectedFeeds();
 679
 680         if (sel_rows.length > 1) {
 681                 alert(__("Please select only one feed."));
 682                 return;
 683         }
 684
 685         if (sel_rows.length > 0) {
 686
 687                 var ok = confirm(__("Erase all non-starred articles in selected feed?"));
 688
 689                 if (ok) {
 690                         notify_progress("Clearing selected feed...");
 691                         clearFeedArticles(sel_rows[0]);
 692                 }
 693
 694         } else {
 695
 696                 alert(__("No feeds are selected."));
 697
 698         }
 699
 700         return false;
 701 }
 702
 703 function removeSelectedFeedCats() {
 704
 705         if (!xmlhttp_ready(xmlhttp)) {
 706                 printLockingError();
 707                 return
 708         }
 709
 710         var sel_rows = getSelectedFeedCats();
 711
 712         if (sel_rows.length > 0) {
 713
 714                 var ok = confirm(__("Remove selected categories?"));
 715
 716                 if (ok) {
 717                         notify_progress("Removing selected categories...");
 718
 719                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 720                                 param_escape(sel_rows.toString()), true);
 721                         xmlhttp.onreadystatechange=infobox_callback;
 722                         xmlhttp.send(null);
 723                 }
 724
 725         } else {
 726
 727                 alert(__("No categories are selected."));
 728
 729         }
 730
 731         return false;
 732 }
 733
 734 function feedEditCancel() {
 735
 736         if (!xmlhttp_ready(xmlhttp)) {
 737                 printLockingError();
 738                 return
 739         }
 740
 741         document.getElementById("subscribe_to_feed_btn").disabled = false;
 742
 743         try {
 744                 document.getElementById("top25_feeds_btn").disabled = false;
 745         } catch (e) {
 746                 // this button is not always available, no-op if not found
 747         }
 748
 749         closeInfoBox();
 750
 751         selectPrefRows('feed', false); // cleanup feed selection
 752
 753         return false;
 754 }
 755
 756 function feedCatEditCancel() {
 757
 758         if (!xmlhttp_ready(xmlhttp)) {
 759                 printLockingError();
 760                 return
 761         }
 762
 763         active_feed_cat = false;
 764
 765 //      notify("Operation cancelled.");
 766
 767         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 768         xmlhttp.onreadystatechange=infobox_callback;
 769         xmlhttp.send(null);
 770
 771         return false;
 772 }
 773
 774 function feedEditSave() {
 775
 776         try {
 777
 778                 if (!xmlhttp_ready(xmlhttp)) {
 779                         printLockingError();
 780                         return
 781                 }
 782
 783                 // FIXME: add parameter validation
 784
 785                 var query = Form.serialize("edit_feed_form");
 786
 787                 notify_progress("Saving feed...");
 788
 789                 xmlhttp.open("POST", "backend.php", true);
 790                 xmlhttp.onreadystatechange=feedlist_callback;
 791                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 792                 xmlhttp.send(query);
 793
 794                 closeInfoBox();
 795
 796                 return false;
 797
 798         } catch (e) {
 799                 exception_error("feedEditSave", e);
 800         }
 801 }
 802
 803 function feedCatEditSave() {
 804
 805         if (!xmlhttp_ready(xmlhttp)) {
 806                 printLockingError();
 807                 return
 808         }
 809
 810         notify_progress("Saving category...");
 811
 812         var query = Form.serialize("feed_cat_edit_form");
 813
 814         xmlhttp.open("GET", "backend.php?" + query, true);
 815         xmlhttp.onreadystatechange=infobox_callback;
 816         xmlhttp.send(null);
 817
 818         active_feed_cat = false;
 819
 820         return false;
 821 }
 822
 823
 824
 825 function displayHelpInfobox(topic_id) {
 826
 827         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 828
 829         var w = window.open(url, "ttrss_help",
 830                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 831
 832 }
 833
 834 function labelEditCancel() {
 835
 836         if (!xmlhttp_ready(xmlhttp)) {
 837                 printLockingError();
 838                 return
 839         }
 840
 841         document.getElementById("label_create_btn").disabled = false;
 842
 843         active_label = false;
 844
 845         selectPrefRows('label', false); // cleanup feed selection
 846         closeInfoBox();
 847
 848         return false;
 849 }
 850
 851 function userEditCancel() {
 852
 853         if (!xmlhttp_ready(xmlhttp)) {
 854                 printLockingError();
 855                 return
 856         }
 857
 858         selectPrefRows('user', false); // cleanup feed selection
 859         closeInfoBox();
 860
 861         return false;
 862 }
 863
 864 function filterEditCancel() {
 865
 866         if (!xmlhttp_ready(xmlhttp)) {
 867                 printLockingError();
 868                 return
 869         }
 870
 871         document.getElementById("create_filter_btn").disabled = false;
 872
 873         selectPrefRows('filter', false); // cleanup feed selection
 874         closeInfoBox();
 875
 876         return false;
 877 }
 878
 879 function labelEditSave() {
 880
 881         var label = active_label;
 882
 883         if (!xmlhttp_ready(xmlhttp)) {
 884                 printLockingError();
 885                 return
 886         }
 887
 888 /*      if (!is_opera()) {
 889
 890                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 891                 var description = document.forms["label_edit_form"].description.value;
 892
 893                 if (sql_exp.length == 0) {
 894                         alert("SQL Expression cannot be blank.");
 895                         return false;
 896                 }
 897
 898                 if (description.length == 0) {
 899                         alert("Caption field cannot be blank.");
 900                         return false;
 901                 }
 902         } */
 903
 904         closeInfoBox();
 905
 906         notify_progress("Saving label...");
 907
 908         active_label = false;
 909
 910         query = Form.serialize("label_edit_form");
 911
 912         xmlhttp.open("GET", "backend.php?" + query, true);
 913         xmlhttp.onreadystatechange=labellist_callback;
 914         xmlhttp.send(null);
 915
 916         return false;
 917 }
 918
 919 function userEditSave() {
 920
 921         if (!xmlhttp_ready(xmlhttp)) {
 922                 printLockingError();
 923                 return
 924         }
 925
 926         var login = document.forms["user_edit_form"].login.value;
 927
 928         if (login.length == 0) {
 929                 alert(__("Login field cannot be blank."));
 930                 return;
 931         }
 932
 933         notify_progress("Saving user...");
 934
 935         closeInfoBox();
 936
 937         var query = Form.serialize("user_edit_form");
 938
 939         xmlhttp.open("GET", "backend.php?" + query, true);
 940         xmlhttp.onreadystatechange=userlist_callback;
 941         xmlhttp.send(null);
 942
 943         return false;
 944 }
 945
 946
 947 function filterEditSave() {
 948
 949         if (!xmlhttp_ready(xmlhttp)) {
 950                 printLockingError();
 951                 return
 952         }
 953
 954 /*      if (!is_opera()) {
 955                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 956
 957                 if (reg_exp.length == 0) {
 958                         alert("Filter expression field cannot be blank.");
 959                         return;
 960                 }
 961         } */
 962
 963         notify_progress("Saving filter...");
 964
 965         var query = Form.serialize("filter_edit_form");
 966
 967         closeInfoBox();
 968
 969         document.getElementById("create_filter_btn").disabled = false;
 970
 971         xmlhttp.open("GET", "backend.php?" + query, true);
 972         xmlhttp.onreadystatechange=filterlist_callback;
 973         xmlhttp.send(null);
 974
 975         return false;
 976 }
 977
 978 function editSelectedLabel() {
 979         var rows = getSelectedLabels();
 980
 981         if (rows.length == 0) {
 982                 alert(__("No labels are selected."));
 983                 return;
 984         }
 985
 986         if (rows.length > 1) {
 987                 alert(__("Please select only one label."));
 988                 return;
 989         }
 990
 991         notify("");
 992
 993         editLabel(rows[0]);
 994
 995 }
 996
 997 function editSelectedUser() {
 998         var rows = getSelectedUsers();
 999
1000         if (rows.length == 0) {
1001                 alert(__("No users are selected."));
1002                 return;
1003         }
1004
1005         if (rows.length > 1) {
1006                 alert(__("Please select only one user."));
1007                 return;
1008         }
1009
1010         notify("");
1011
1012         editUser(rows[0]);
1013 }
1014
1015 function resetSelectedUserPass() {
1016         var rows = getSelectedUsers();
1017
1018         if (rows.length == 0) {
1019                 alert(__("No users are selected."));
1020                 return;
1021         }
1022
1023         if (rows.length > 1) {
1024                 alert(__("Please select only one user."));
1025                 return;
1026         }
1027
1028         var ok = confirm(__("Reset password of selected user?"));
1029
1030         if (ok) {
1031                 notify_progress("Resetting password for selected user...");
1032
1033                 var id = rows[0];
1034
1035                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
1036                         param_escape(id), true);
1037                 xmlhttp.onreadystatechange=userlist_callback;
1038                 xmlhttp.send(null);
1039         }
1040 }
1041
1042 function selectedUserDetails() {
1043
1044         if (!xmlhttp_ready(xmlhttp)) {
1045                 printLockingError();
1046                 return
1047         }
1048
1049         var rows = getSelectedUsers();
1050
1051         if (rows.length == 0) {
1052                 alert(__("No users are selected."));
1053                 return;
1054         }
1055
1056         if (rows.length > 1) {
1057                 alert(__("Please select only one user."));
1058                 return;
1059         }
1060
1061         notify_progress("Loading, please wait...");
1062
1063         var id = rows[0];
1064
1065         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1066         xmlhttp.onreadystatechange=infobox_callback;
1067         xmlhttp.send(null);
1068
1069 }
1070
1071 function selectedFeedDetails() {
1072
1073         if (!xmlhttp_ready(xmlhttp)) {
1074                 printLockingError();
1075                 return
1076         }
1077
1078         var rows = getSelectedFeeds();
1079
1080         if (rows.length == 0) {
1081                 alert(__("No feeds are selected."));
1082                 return;
1083         }
1084
1085         if (rows.length > 1) {
1086                 alert(__("Please select only one feed."));
1087                 return;
1088         }
1089
1090 //      var id = rows[0];
1091
1092         notify("");
1093
1094         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1095                 param_escape(rows.toString()), true);
1096         xmlhttp.onreadystatechange=infobox_callback;
1097         xmlhttp.send(null);
1098
1099 }
1100
1101 function editSelectedFilter() {
1102         var rows = getSelectedFilters();
1103
1104         if (rows.length == 0) {
1105                 alert(__("No filters are selected."));
1106                 return;
1107         }
1108
1109         if (rows.length > 1) {
1110                 alert(__("Please select only one filter."));
1111                 return;
1112         }
1113
1114         notify("");
1115
1116         editFilter(rows[0]);
1117
1118 }
1119
1120
1121 function editSelectedFeed() {
1122         var rows = getSelectedFeeds();
1123
1124         if (rows.length == 0) {
1125                 alert(__("No feeds are selected."));
1126                 return;
1127         }
1128
1129         if (rows.length > 1) {
1130                 alert(__("Please select one feed."));
1131                 return;
1132         }
1133
1134         notify("");
1135
1136         editFeed(rows[0]);
1137
1138 }
1139
1140 function editSelectedFeedCat() {
1141         var rows = getSelectedFeedCats();
1142
1143         if (rows.length == 0) {
1144                 alert(__("No categories are selected."));
1145                 return;
1146         }
1147
1148         if (rows.length > 1) {
1149                 alert(__("Please select only one category."));
1150                 return;
1151         }
1152
1153         notify("");
1154
1155         editFeedCat(rows[0]);
1156
1157 }
1158
1159 function localPiggieFunction(enable) {
1160         if (enable) {
1161                 debug("I LOVEDED IT!");
1162                 var piggie = document.getElementById("piggie");
1163
1164                 Element.show(piggie);
1165                 Position.Center(piggie);
1166                 Effect.Puff(piggie);
1167
1168         }
1169 }
1170
1171 function validateOpmlImport() {
1172
1173         var opml_file = document.getElementById("opml_file");
1174
1175         if (opml_file.value.length == 0) {
1176                 alert(__("No OPML file to upload."));
1177                 return false;
1178         } else {
1179                 return true;
1180         }
1181 }
1182
1183 function updateFilterList(sort_key) {
1184
1185         if (!xmlhttp_ready(xmlhttp)) {
1186                 printLockingError();
1187                 return
1188         }
1189
1190         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1191                 param_escape(sort_key), true);
1192         xmlhttp.onreadystatechange=filterlist_callback;
1193         xmlhttp.send(null);
1194
1195 }
1196
1197 function updateLabelList(sort_key) {
1198
1199         if (!xmlhttp_ready(xmlhttp)) {
1200                 printLockingError();
1201                 return
1202         }
1203
1204         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1205                 param_escape(sort_key), true);
1206         xmlhttp.onreadystatechange=labellist_callback;
1207         xmlhttp.send(null);
1208 }
1209
1210 function updatePrefsList() {
1211
1212         if (!xmlhttp_ready(xmlhttp)) {
1213                 printLockingError();
1214                 return
1215         }
1216
1217         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1218         xmlhttp.onreadystatechange=prefslist_callback;
1219         xmlhttp.send(null);
1220
1221 }
1222
1223 function selectTab(id, noupdate, subop) {
1224
1225 //      alert(id);
1226
1227         if (!id) id = active_tab;
1228
1229         try {
1230
1231                 if (!xmlhttp_ready(xmlhttp)) {
1232                         printLockingError();
1233                         return
1234                 }
1235
1236                 try {
1237                         var c = document.getElementById('prefContent');
1238                         c.scrollTop = 0;
1239                 } catch (e) { };
1240
1241                 if (!noupdate) {
1242
1243                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1244
1245                         notify_progress("Loading, please wait...");
1246
1247                         // close active infobox if needed
1248                         closeInfoBox();
1249
1250                         // clean up all current selections, just in case
1251                         active_feed_cat = false;
1252                         active_label = false;
1253
1254 //                      Effect.Fade("prefContent", {duration: 1, to: 0.01,
1255 //                              queue: { position:'end', scope: 'FEED_TAB', limit: 1 } } );
1256
1257                         if (id == "feedConfig") {
1258                                 updateFeedList();
1259                         } else if (id == "filterConfig") {
1260                                 updateFilterList();
1261                         } else if (id == "labelConfig") {
1262                                 updateLabelList();
1263                         } else if (id == "genConfig") {
1264                                 updatePrefsList();
1265                         } else if (id == "userConfig") {
1266                                 updateUsersList();
1267                         } else if (id == "feedBrowser") {
1268                                 updateBigFeedBrowser();
1269                         }
1270                 }
1271
1272                 var tab = document.getElementById(active_tab + "Tab");
1273
1274                 if (tab) {
1275                         if (tab.className.match("Selected")) {
1276                                 tab.className = "prefsTab";
1277                         }
1278                 }
1279
1280                 tab = document.getElementById(id + "Tab");
1281
1282                 if (tab) {
1283                         if (!tab.className.match("Selected")) {
1284                                 tab.className = tab.className + "Selected";
1285                         }
1286                 }
1287
1288                 active_tab = id;
1289
1290         } catch (e) {
1291                 exception_error("selectTab", e);
1292         }
1293 }
1294
1295 function backend_sanity_check_callback() {
1296
1297         if (xmlhttp.readyState == 4) {
1298
1299                 try {
1300
1301                         if (sanity_check_done) {
1302                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1303                               "presence of Firebug or some other disrupting extension. "+
1304                                         "Please disable it and try again.");
1305                                 return;
1306                         }
1307
1308                         if (!xmlhttp.responseXML) {
1309                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1310                                 return;
1311                         }
1312
1313                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1314
1315                         if (!reply) {
1316                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1317                                 return;
1318                         }
1319
1320                         var error_code = reply.getAttribute("error-code");
1321
1322                         if (error_code && error_code != 0) {
1323                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1324                         }
1325
1326                         debug("sanity check ok");
1327
1328                         var params = reply.nextSibling;
1329
1330                         if (params) {
1331                                 debug('reading init-params...');
1332                                 var param = params.firstChild;
1333
1334                                 while (param) {
1335                                         var k = param.getAttribute("key");
1336                                         var v = param.getAttribute("value");
1337                                         debug(k + " => " + v);
1338                                         init_params[k] = v;
1339                                         param = param.nextSibling;
1340                                 }
1341                         }
1342
1343                         sanity_check_done = true;
1344
1345                         init_second_stage();
1346
1347                 } catch (e) {
1348                         exception_error("backend_sanity_check_callback", e);
1349                 }
1350         }
1351 }
1352
1353 function init_second_stage() {
1354
1355         try {
1356                 active_tab = getInitParam("prefs_active_tab");
1357                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1358
1359                 document.onkeydown = pref_hotkey_handler;
1360
1361                 var tab = getURLParam('tab');
1362
1363                 caller_subop = getURLParam('subop');
1364
1365                 if (tab) {
1366                         active_tab = tab;
1367                 }
1368
1369                 if (navigator.userAgent.match("Opera")) {
1370                         setTimeout("selectTab()", 500);
1371                 } else {
1372                         selectTab(active_tab);
1373                 }
1374                 notify("");
1375         } catch (e) {
1376                 exception_error("init_second_stage", e);
1377         }
1378 }
1379
1380 function init() {
1381
1382         try {
1383
1384                 if (arguments.callee.done) return;
1385                 arguments.callee.done = true;
1386
1387                 if (getURLParam('debug')) {
1388                         document.getElementById('debug_output').style.display = 'block';
1389                         debug('debug mode activated');
1390                 }
1391
1392                 // IE kludge
1393                 if (!xmlhttp) {
1394                         document.getElementById("prefContent").innerHTML =
1395                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1396                                 "to function properly. Your browser doesn't seem to support it.";
1397                         return;
1398                 }
1399
1400                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1401                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1402                 xmlhttp.send(null);
1403
1404         } catch (e) {
1405                 exception_error("init", e);
1406         }
1407 }
1408
1409 function categorizeSelectedFeeds() {
1410
1411         if (!xmlhttp_ready(xmlhttp)) {
1412                 printLockingError();
1413                 return
1414         }
1415
1416         var sel_rows = getSelectedFeeds();
1417
1418         var cat_sel = document.getElementById("sfeed_set_fcat");
1419         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1420
1421         if (sel_rows.length > 0) {
1422
1423                 notify_progress("Changing category of selected feeds...");
1424
1425                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1426                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1427                 xmlhttp.onreadystatechange=feedlist_callback;
1428                 xmlhttp.send(null);
1429
1430         } else {
1431
1432                 alert(__("No feeds are selected."));
1433
1434         }
1435
1436 }
1437
1438 function validatePrefsReset() {
1439         try {
1440                 var ok = confirm(__("Reset to defaults?"));
1441
1442                 if (ok) {
1443
1444                         var query = Form.serialize("pref_prefs_form");
1445                         query = query + "&subop=reset-config";
1446                         debug(query);
1447
1448                         xmlhttp.open("POST", "backend.php", true);
1449                         xmlhttp.onreadystatechange=prefs_reset_callback;
1450                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1451                         xmlhttp.send(query);
1452                 }
1453
1454         } catch (e) {
1455                 exception_error("validatePrefsSave", e);
1456         }
1457
1458         return false;
1459
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         var query = "backend.php?op=pref-feed-browser";
1498
1499         var limit_sel = document.getElementById("feedBrowserLimit");
1500
1501         if (limit_sel) {
1502                 var limit = limit_sel[limit_sel.selectedIndex].value;
1503                 query = query + "&limit=" + param_escape(limit);
1504         }
1505
1506         xmlhttp.open("GET", query, true);
1507         xmlhttp.onreadystatechange=feed_browser_callback;
1508         xmlhttp.send(null);
1509 }
1510
1511 function browserToggleExpand(id) {
1512         try {
1513 /*              if (feed_to_expand && feed_to_expand != id) {
1514                         var d = document.getElementById("BRDET-" + feed_to_expand);
1515                         d.style.display = "none";
1516                 } */
1517
1518                 if (!xmlhttp_ready(xmlhttp)) {
1519                         printLockingError();
1520                         return
1521                 }
1522
1523 /*              if (feed_to_expand && id != feed_to_expand) {
1524                         Effect.Fade('BRDET-' + feed_to_expand, {duration : 0.5});
1525                 } */
1526
1527                 var d = document.getElementById("BRDET-" + id);
1528
1529                 if (Element.visible(d)) {
1530                         Effect.Fade(d, {duration : 0.5});
1531                 } else {
1532                         feed_to_expand = id;
1533
1534                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1535                                 + param_escape(id), true);
1536                         xmlhttp.onreadystatechange=expand_feed_callback;
1537                         xmlhttp.send(null);
1538                 }
1539
1540         } catch (e) {
1541                 exception_error("browserToggleExpand", e);
1542         }
1543 }
1544
1545 function selectPrefRows(kind, select) {
1546
1547         if (kind) {
1548                 var opbarid = false;
1549                 var nchk = false;
1550                 var nrow = false;
1551                 var lname = false;
1552
1553                 if (kind == "feed") {
1554                         opbarid = "feedOpToolbar";
1555                         nrow = "FEEDR-";
1556                         nchk = "FRCHK-";
1557                         lname = "prefFeedList";
1558                 } else if (kind == "fcat") {
1559                         opbarid = "catOpToolbar";
1560                         nrow = "FCATR-";
1561                         nchk = "FCCHK-";
1562                         lname = "prefFeedCatList";
1563                 } else if (kind == "filter") {
1564                         opbarid = "filterOpToolbar";
1565                         nrow = "FILRR-";
1566                         nchk = "FICHK-";
1567                         lname = "prefFilterList";
1568                 } else if (kind == "label") {
1569                         opbarid = "labelOpToolbar";
1570                         nrow = "LILRR-";
1571                         nchk = "LICHK-";
1572                         lname = "prefLabelList";
1573                 } else if (kind == "user") {
1574                         opbarid = "userOpToolbar";
1575                         nrow = "UMRR-";
1576                         nchk = "UMCHK-";
1577                         lname = "prefUserList";
1578                 }
1579
1580                 if (opbarid) {
1581                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1582                         disableContainerChildren(opbarid, !select);
1583                 }
1584
1585         }
1586 }
1587
1588
1589 function toggleSelectPrefRow(sender, kind) {
1590
1591         toggleSelectRow(sender);
1592
1593         if (kind) {
1594                 var opbarid = false;
1595                 var nsel = -1;
1596
1597                 if (kind == "feed") {
1598                         opbarid = "feedOpToolbar";
1599                         nsel = getSelectedFeeds();
1600                 } else if (kind == "fcat") {
1601                         opbarid = "catOpToolbar";
1602                         nsel = getSelectedFeedCats();
1603                 } else if (kind == "filter") {
1604                         opbarid = "filterOpToolbar";
1605                         nsel = getSelectedFilters();
1606                 } else if (kind == "label") {
1607                         opbarid = "labelOpToolbar";
1608                         nsel = getSelectedLabels();
1609                 } else if (kind == "user") {
1610                         opbarid = "userOpToolbar";
1611                         nsel = getSelectedUsers();
1612                 }
1613
1614                 if (opbarid && nsel != -1) {
1615                         disableContainerChildren(opbarid, nsel == false);
1616                 }
1617
1618         }
1619 }
1620
1621 function toggleSelectFBListRow(sender) {
1622         toggleSelectListRow(sender);
1623         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1624 }
1625
1626 var seq = "";
1627
1628 function pref_hotkey_handler(e) {
1629         try {
1630
1631                 var keycode;
1632
1633                 if (!hotkeys_enabled) return;
1634
1635                 if (window.event) {
1636                         keycode = window.event.keyCode;
1637                 } else if (e) {
1638                         keycode = e.which;
1639                 }
1640
1641                 if (keycode == 13 || keycode == 27) {
1642                         seq = "";
1643                 } else {
1644                         seq = seq + "" + keycode;
1645                 }
1646
1647
1648         if (document.getElementById("piggie")) {
1649
1650                 if (seq.match("807371717369")) {
1651                         seq = "";
1652                         localPiggieFunction(true);
1653                 } else {
1654                         localPiggieFunction(false);
1655                 }
1656         }
1657
1658         } catch (e) {
1659                 exception_error("pref_hotkey_handler", e);
1660         }
1661 }
1662
1663 function editFeedCats() {
1664         if (!xmlhttp_ready(xmlhttp)) {
1665                 printLockingError();
1666                 return
1667         }
1668
1669         document.getElementById("subscribe_to_feed_btn").disabled = true;
1670
1671         try {
1672                 document.getElementById("top25_feeds_btn").disabled = true;
1673         } catch (e) {
1674                 // this button is not always available, no-op if not found
1675         }
1676
1677         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1678         xmlhttp.onreadystatechange=infobox_feed_cat_callback;
1679         xmlhttp.send(null);
1680 }
1681
1682 function showFeedsWithErrors() {
1683         displayDlg('feedUpdateErrors');
1684 }
1685
1686 function changeUserPassword() {
1687
1688         try {
1689
1690                 if (!xmlhttp_ready(xmlhttp)) {
1691                         printLockingError();
1692                         return false;
1693                 }
1694
1695                 var f = document.forms["change_pass_form"];
1696
1697                 if (f) {
1698                         if (f.OLD_PASSWORD.value == "") {
1699                                 new Effect.Highlight(f.OLD_PASSWORD);
1700                                 notify_error("Old password cannot be blank.");
1701                                 return false;
1702                         }
1703
1704                         if (f.NEW_PASSWORD.value == "") {
1705                                 new Effect.Highlight(f.NEW_PASSWORD);
1706                                 notify_error("New password cannot be blank.");
1707                                 return false;
1708                         }
1709
1710                         if (f.CONFIRM_PASSWORD.value == "") {
1711                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1712                                 notify_error("Entered passwords do not match.");
1713                                 return false;
1714                         }
1715
1716                         if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
1717                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1718                                 new Effect.Highlight(f.NEW_PASSWORD);
1719                                 notify_error("Entered passwords do not match.");
1720                                 return false;
1721                         }
1722
1723                 }
1724
1725                 var query = Form.serialize("change_pass_form");
1726
1727                 notify_progress("Trying to change password...");
1728
1729                 xmlhttp.open("POST", "backend.php", true);
1730                 xmlhttp.onreadystatechange=changepass_callback;
1731                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1732                 xmlhttp.send(query);
1733
1734         } catch (e) {
1735                 exception_error("changeUserPassword", e);
1736         }
1737
1738         return false;
1739 }
1740
1741 function changeUserEmail() {
1742
1743         try {
1744
1745                 if (!xmlhttp_ready(xmlhttp)) {
1746                         printLockingError();
1747                         return false;
1748                 }
1749
1750                 var query = Form.serialize("change_email_form");
1751
1752                 notify_progress("Trying to change e-mail...");
1753
1754                 xmlhttp.open("POST", "backend.php", true);
1755                 xmlhttp.onreadystatechange=notify_callback;
1756                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1757                 xmlhttp.send(query);
1758
1759         } catch (e) {
1760                 exception_error("changeUserPassword", e);
1761         }
1762
1763         return false;
1764
1765 }
1766
1767 function feedlistToggleSLAT() {
1768         notify_progress("Loading, please wait...");
1769         updateFeedList()
1770 }
1771
1772 function pubRegenKey() {
1773
1774         if (!xmlhttp_ready(xmlhttp)) {
1775                 printLockingError();
1776                 return false;
1777         }
1778
1779         var ok = confirm(__("Replace current publishing address with a new one?"));
1780
1781         if (ok) {
1782
1783                 notify_progress("Trying to change address...");
1784
1785                 xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
1786                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1787                 xmlhttp.send(null);
1788         }
1789
1790         return false;
1791 }
1792
1793 function validatePrefsSave() {
1794         try {
1795
1796                 var ok = confirm(__("Save current configuration?"));
1797
1798                 if (ok) {
1799
1800                         var query = Form.serialize("pref_prefs_form");
1801                         query = query + "&subop=save-config";
1802                         debug(query);
1803
1804                         xmlhttp.open("POST", "backend.php", true);
1805                         xmlhttp.onreadystatechange=notify_callback;
1806                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1807                         xmlhttp.send(query);
1808                 }
1809
1810         } catch (e) {
1811                 exception_error("validatePrefsSave", e);
1812         }
1813
1814         return false;
1815 }
1816
1817 function feedActionChange() {
1818         try {
1819                 var chooser = document.getElementById("feedActionChooser");
1820                 var opid = chooser[chooser.selectedIndex].value;
1821
1822                 chooser.selectedIndex = 0;
1823                 feedActionGo(opid);
1824         } catch (e) {
1825                 exception_error("feedActionChange", e);
1826         }
1827 }
1828
1829 function feedActionGo(op) {
1830         try {
1831                 if (op == "facEdit") {
1832                         editSelectedFeed();
1833                 }
1834
1835                 if (op == "facClear") {
1836                         clearSelectedFeeds();
1837                 }
1838
1839                 if (op == "facPurge") {
1840                         purgeSelectedFeeds();
1841                 }
1842
1843                 if (op == "facUnsubscribe") {
1844                         removeSelectedFeeds();
1845                 }
1846
1847         } catch (e) {
1848                 exception_error("feedActionGo", e);
1849
1850         }
1851 }
1852
1853 function clearFeedArticles(feed_id) {
1854
1855         notify_progress("Clearing feed...");
1856
1857         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
1858
1859         new Ajax.Request(query, {
1860                 onComplete: function(transport) {
1861                                 notify('');
1862                         } });
1863
1864         return false;
1865 }
1866
1867