functions.js

   1 var notify_silent = false;
   2 var loading_progress = 0;
   3 var sanity_check_done = false;
   4
   5 /* add method to remove element from array */
   6
   7 Array.prototype.remove = function(s) {
   8         for (var i=0; i < this.length; i++) {
   9                 if (s == this[i]) this.splice(i, 1);
  10         }
  11 }
  12
  13 /* create console.log if it doesn't exist */
  14
  15 if (!window.console) console = {};
  16 console.log = console.log || function(msg) { };
  17 console.warn = console.warn || function(msg) { };
  18 console.error = console.error || function(msg) { };
  19
  20 function exception_error(location, e, ext_info) {
  21         var msg = format_exception_error(location, e);
  22
  23         if (!ext_info) ext_info = false;
  24
  25         try {
  26
  27                 if (ext_info) {
  28                         if (ext_info.responseText) {
  29                                 ext_info = ext_info.responseText;
  30                         }
  31                 }
  32
  33                 var content = "<div class=\"fatalError\">" +
  34                         "<pre>" + msg + "</pre>";
  35
  36                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  37                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  38
  39                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  40                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  41
  42                 if (ext_info) {
  43                         content += "<div><b>Additional information:</b></div>" +
  44                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  45                 }
  46
  47                 content += "<div><b>Stack trace:</b></div>" +
  48                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  49
  50                 content += "</form>";
  51
  52                 content += "</div>";
  53
  54                 content += "<div class='dlgButtons'>";
  55
  56                 content += "<button dojoType=\"dijit.form.Button\""+
  57                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  58                                 __('Report to tt-rss.org') + "</button> ";
  59                 content += "<button dojoType=\"dijit.form.Button\" "+
  60                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  61                                 __('Close') + "</button>";
  62                 content += "</div>";
  63
  64                 if (dijit.byId("exceptionDlg"))
  65                         dijit.byId("exceptionDlg").destroyRecursive();
  66
  67                 var dialog = new dijit.Dialog({
  68                         id: "exceptionDlg",
  69                         title: "Unhandled exception",
  70                         style: "width: 600px",
  71                         report: function() {
  72                                 if (confirm(__("Are you sure to report this exception to tt-rss.org? The report will include your browser information. Your IP would be saved in the database."))) {
  73
  74                                         document.forms['exceptionForm'].params.value = $H({
  75                                                 browserName: navigator.appName,
  76                                                 browserVersion: navigator.appVersion,
  77                                                 browserPlatform: navigator.platform,
  78                                                 browserCookies: navigator.cookieEnabled,
  79                                         }).toQueryString();
  80
  81                                         document.forms['exceptionForm'].submit();
  82
  83                                 }
  84                         },
  85                         content: content});
  86
  87                 dialog.show();
  88
  89         } catch (e) {
  90                 alert(msg);
  91         }
  92
  93 }
  94
  95 function format_exception_error(location, e) {
  96         var msg;
  97
  98         if (e.fileName) {
  99                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 100
 101                 msg = "Exception: " + e.name + ", " + e.message +
 102                         "\nFunction: " + location + "()" +
 103                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 104
 105         } else if (e.description) {
 106                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 107         } else {
 108                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 109         }
 110
 111         console.error("EXCEPTION: " + msg);
 112
 113         return msg;
 114 }
 115
 116 function param_escape(arg) {
 117         if (typeof encodeURIComponent != 'undefined')
 118                 return encodeURIComponent(arg);
 119         else
 120                 return escape(arg);
 121 }
 122
 123 function param_unescape(arg) {
 124         if (typeof decodeURIComponent != 'undefined')
 125                 return decodeURIComponent(arg);
 126         else
 127                 return unescape(arg);
 128 }
 129
 130 var notify_hide_timerid = false;
 131
 132 function hide_notify() {
 133         var n = $("notify");
 134         if (n) {
 135                 n.style.display = "none";
 136         }
 137 }
 138
 139 function notify_silent_next() {
 140         notify_silent = true;
 141 }
 142
 143 function notify_real(msg, no_hide, n_type) {
 144
 145         if (notify_silent) {
 146                 notify_silent = false;
 147                 return;
 148         }
 149
 150         var n = $("notify");
 151         var nb = $("notify_body");
 152
 153         if (!n || !nb) return;
 154
 155         if (notify_hide_timerid) {
 156                 window.clearTimeout(notify_hide_timerid);
 157         }
 158
 159         if (msg == "") {
 160                 if (n.style.display == "block") {
 161                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 162                 }
 163                 return;
 164         } else {
 165                 n.style.display = "block";
 166         }
 167
 168         /* types:
 169
 170                 1 - generic
 171                 2 - progress
 172                 3 - error
 173                 4 - info
 174
 175         */
 176
 177         if (typeof __ != 'undefined') {
 178                 msg = __(msg);
 179         }
 180
 181         if (n_type == 1) {
 182                 n.className = "notify";
 183         } else if (n_type == 2) {
 184                 n.className = "notifyProgress";
 185                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 186         } else if (n_type == 3) {
 187                 n.className = "notifyError";
 188                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 189         } else if (n_type == 4) {
 190                 n.className = "notifyInfo";
 191                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 192         }
 193
 194 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 195
 196         nb.innerHTML = msg;
 197
 198         if (!no_hide) {
 199                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 200         }
 201 }
 202
 203 function notify(msg, no_hide) {
 204         notify_real(msg, no_hide, 1);
 205 }
 206
 207 function notify_progress(msg, no_hide) {
 208         notify_real(msg, no_hide, 2);
 209 }
 210
 211 function notify_error(msg, no_hide) {
 212         notify_real(msg, no_hide, 3);
 213
 214 }
 215
 216 function notify_info(msg, no_hide) {
 217         notify_real(msg, no_hide, 4);
 218 }
 219
 220 function setCookie(name, value, lifetime, path, domain, secure) {
 221
 222         var d = false;
 223
 224         if (lifetime) {
 225                 d = new Date();
 226                 d.setTime(d.getTime() + (lifetime * 1000));
 227         }
 228
 229         console.log("setCookie: " + name + " => " + value + ": " + d);
 230
 231         int_setCookie(name, value, d, path, domain, secure);
 232
 233 }
 234
 235 function int_setCookie(name, value, expires, path, domain, secure) {
 236         document.cookie= name + "=" + escape(value) +
 237                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 238                 ((path) ? "; path=" + path : "") +
 239                 ((domain) ? "; domain=" + domain : "") +
 240                 ((secure) ? "; secure" : "");
 241 }
 242
 243 function delCookie(name, path, domain) {
 244         if (getCookie(name)) {
 245                 document.cookie = name + "=" +
 246                 ((path) ? ";path=" + path : "") +
 247                 ((domain) ? ";domain=" + domain : "" ) +
 248                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 249         }
 250 }
 251
 252
 253 function getCookie(name) {
 254
 255         var dc = document.cookie;
 256         var prefix = name + "=";
 257         var begin = dc.indexOf("; " + prefix);
 258         if (begin == -1) {
 259             begin = dc.indexOf(prefix);
 260             if (begin != 0) return null;
 261         }
 262         else {
 263             begin += 2;
 264         }
 265         var end = document.cookie.indexOf(";", begin);
 266         if (end == -1) {
 267             end = dc.length;
 268         }
 269         return unescape(dc.substring(begin + prefix.length, end));
 270 }
 271
 272 function gotoPreferences() {
 273         document.location.href = "prefs.php";
 274 }
 275
 276 function gotoMain() {
 277         document.location.href = "tt-rss.php";
 278 }
 279
 280 function gotoExportOpml(filename, settings) {
 281     tmp = settings ? 1 : 0;
 282         document.location.href = "opml.php?op=Export&filename=" + filename + "&settings=" + tmp;
 283 }
 284
 285
 286 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 287   * * @author Sundar Dorai-Raj
 288   * * Email: sdoraira@vt.edu
 289   * * This program is free software; you can redistribute it and/or
 290   * * modify it under the terms of the GNU General Public License
 291   * * as published by the Free Software Foundation; either version 2
 292   * * of the License, or (at your option) any later version,
 293   * * provided that any use properly credits the author.
 294   * * This program is distributed in the hope that it will be useful,
 295   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 296   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 297   * * GNU General Public License for more details at http://www.gnu.org * * */
 298
 299   var numbers=".0123456789";
 300   function isNumeric(x) {
 301     // is x a String or a character?
 302     if(x.length>1) {
 303       // remove negative sign
 304       x=Math.abs(x)+"";
 305       for(j=0;j<x.length;j++) {
 306         // call isNumeric recursively for each character
 307         number=isNumeric(x.substring(j,j+1));
 308         if(!number) return number;
 309       }
 310       return number;
 311     }
 312     else {
 313       // if x is number return true
 314       if(numbers.indexOf(x)>=0) return true;
 315       return false;
 316     }
 317   }
 318
 319
 320 function toggleSelectRowById(sender, id) {
 321         var row = $(id);
 322         return toggleSelectRow(sender, row);
 323 }
 324
 325 function toggleSelectListRow(sender) {
 326         var row = sender.parentNode;
 327         return toggleSelectRow(sender, row);
 328 }
 329
 330 /* this is for dijit Checkbox */
 331 function toggleSelectListRow2(sender) {
 332         var row = sender.domNode.parentNode;
 333         return toggleSelectRow(sender, row);
 334 }
 335
 336 function tSR(sender, row) {
 337         return toggleSelectRow(sender, row);
 338 }
 339
 340 /* this is for dijit Checkbox */
 341 function toggleSelectRow2(sender, row) {
 342
 343         if (!row) row = sender.domNode.parentNode.parentNode;
 344
 345         if (sender.checked && !row.hasClassName('Selected'))
 346                 row.addClassName('Selected');
 347         else
 348                 row.removeClassName('Selected');
 349 }
 350
 351
 352 function toggleSelectRow(sender, row) {
 353
 354         if (!row) row = sender.parentNode.parentNode;
 355
 356         if (sender.checked && !row.hasClassName('Selected'))
 357                 row.addClassName('Selected');
 358         else
 359                 row.removeClassName('Selected');
 360 }
 361
 362 function checkboxToggleElement(elem, id) {
 363         if (elem.checked) {
 364                 Effect.Appear(id, {duration : 0.5});
 365         } else {
 366                 Effect.Fade(id, {duration : 0.5});
 367         }
 368 }
 369
 370 function dropboxSelect(e, v) {
 371         for (i = 0; i < e.length; i++) {
 372                 if (e[i].value == v) {
 373                         e.selectedIndex = i;
 374                         break;
 375                 }
 376         }
 377 }
 378
 379 function getURLParam(param){
 380         return String(window.location.href).parseQuery()[param];
 381 }
 382
 383 function leading_zero(p) {
 384         var s = String(p);
 385         if (s.length == 1) s = "0" + s;
 386         return s;
 387 }
 388
 389 function make_timestamp() {
 390         var d = new Date();
 391
 392         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 393                         ":" + leading_zero(d.getSeconds());
 394 }
 395
 396
 397 function closeInfoBox(cleanup) {
 398         try {
 399                 dialog = dijit.byId("infoBox");
 400
 401                 if (dialog)     dialog.hide();
 402
 403         } catch (e) {
 404                 //exception_error("closeInfoBox", e);
 405         }
 406         return false;
 407 }
 408
 409
 410 function displayDlg(id, param, callback) {
 411
 412         notify_progress("Loading, please wait...", true);
 413
 414         var query = "?op=dlg&id=" +
 415                 param_escape(id) + "&param=" + param_escape(param);
 416
 417         new Ajax.Request("backend.php", {
 418                 parameters: query,
 419                 onComplete: function (transport) {
 420                         infobox_callback2(transport);
 421                         if (callback) callback(transport);
 422                 } });
 423
 424         return false;
 425 }
 426
 427 function infobox_callback2(transport) {
 428         try {
 429                 var dialog = false;
 430
 431                 if (dijit.byId("infoBox")) {
 432                         dialog = dijit.byId("infoBox");
 433                 }
 434
 435                 //console.log("infobox_callback2");
 436                 notify('');
 437
 438                 var content;
 439                 var dtitle = "Dialog";
 440
 441                 var dlg = transport.responseXML.getElementsByTagName("dlg")[0];
 442
 443                 var title = transport.responseXML.getElementsByTagName("title")[0];
 444                 if (title)
 445                         title = title.firstChild.nodeValue;
 446
 447                 var content = transport.responseXML.getElementsByTagName("content")[0];
 448
 449                 content = content.firstChild.nodeValue;
 450
 451                 if (!dialog) {
 452                         dialog = new dijit.Dialog({
 453                                 title: title,
 454                                 id: 'infoBox',
 455                                 style: "width: 600px",
 456                                 onCancel: function() {
 457                                         return true;
 458                                 },
 459                                 onExecute: function() {
 460                                         return true;
 461                                 },
 462                                 onClose: function() {
 463                                         return true;
 464                                         },
 465                                 content: content});
 466                 } else {
 467                         dialog.attr('title', title);
 468                         dialog.attr('content', content);
 469                 }
 470
 471                 dialog.show();
 472
 473                 notify("");
 474         } catch (e) {
 475                 exception_error("infobox_callback2", e);
 476         }
 477 }
 478
 479 function filterCR(e, f)
 480 {
 481      var key;
 482
 483      if(window.event)
 484           key = window.event.keyCode;     //IE
 485      else
 486           key = e.which;     //firefox
 487
 488         if (key == 13) {
 489                 if (typeof f != 'undefined') {
 490                         f();
 491                         return false;
 492                 } else {
 493                         return false;
 494                 }
 495         } else {
 496                 return true;
 497         }
 498 }
 499
 500 function getInitParam(key) {
 501         return init_params[key];
 502 }
 503
 504 function setInitParam(key, value) {
 505         init_params[key] = value;
 506 }
 507
 508 function fatalError(code, msg, ext_info) {
 509         try {
 510
 511                 if (code == 6) {
 512                         window.location.href = "tt-rss.php";
 513                 } else if (code == 5) {
 514                         window.location.href = "db-updater.php";
 515                 } else {
 516
 517                         if (msg == "") msg = "Unknown error";
 518
 519                         if (ext_info) {
 520                                 if (ext_info.responseText) {
 521                                         ext_info = ext_info.responseText;
 522                                 }
 523                         }
 524
 525                         if (ERRORS && ERRORS[code] && !msg) {
 526                                 msg = ERRORS[code];
 527                         }
 528
 529                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 530                                 "<p>" + msg + "</p>";
 531
 532                         if (ext_info) {
 533                                 content = content + "<div><b>Additional information:</b></div>" +
 534                                         "<textarea style='width: 100%' readonly=\"1\">" +
 535                                         ext_info + "</textarea>";
 536                         }
 537
 538                         var dialog = new dijit.Dialog({
 539                                 title: "Fatal error",
 540                                 style: "width: 600px",
 541                                 content: content});
 542
 543                         dialog.show();
 544
 545                 }
 546
 547                 return false;
 548
 549         } catch (e) {
 550                 exception_error("fatalError", e);
 551         }
 552 }
 553
 554 function filterDlgCheckType(sender) {
 555
 556         try {
 557
 558                 var ftype = sender.value;
 559
 560                 // if selected filter type is 5 (Date) enable the modifier dropbox
 561                 if (ftype == 5) {
 562                         Element.show("filterDlg_dateModBox");
 563                         Element.show("filterDlg_dateChkBox");
 564                 } else {
 565                         Element.hide("filterDlg_dateModBox");
 566                         Element.hide("filterDlg_dateChkBox");
 567
 568                 }
 569
 570         } catch (e) {
 571                 exception_error("filterDlgCheckType", e);
 572         }
 573
 574 }
 575
 576 function filterDlgCheckAction(sender) {
 577
 578         try {
 579
 580                 var action = sender.value;
 581
 582                 var action_param = $("filterDlg_paramBox");
 583
 584                 if (!action_param) {
 585                         console.log("filterDlgCheckAction: can't find action param box!");
 586                         return;
 587                 }
 588
 589                 // if selected action supports parameters, enable params field
 590                 if (action == 4 || action == 6 || action == 7) {
 591                         new Effect.Appear(action_param, {duration : 0.5});
 592                         if (action != 7) {
 593                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 594                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 595                         } else {
 596                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 597                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 598                         }
 599                 } else {
 600                         Element.hide(action_param);
 601                 }
 602
 603         } catch (e) {
 604                 exception_error("filterDlgCheckAction", e);
 605         }
 606
 607 }
 608
 609 function filterDlgCheckDate() {
 610         try {
 611                 var dialog = dijit.byId("filterEditDlg");
 612
 613                 var reg_exp = dialog.attr('value').reg_exp;
 614
 615                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 616
 617                 new Ajax.Request("backend.php", {
 618                         parameters: query,
 619                         onComplete: function(transport) {
 620
 621                                 var reply = JSON.parse(transport.responseText);
 622
 623                                 if (reply['result'] == true) {
 624                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 625                                         return;
 626                                 } else {
 627                                         alert(__("Date syntax is incorrect."));
 628                                 }
 629
 630                         } });
 631
 632
 633         } catch (e) {
 634                 exception_error("filterDlgCheckDate", e);
 635         }
 636 }
 637
 638 function explainError(code) {
 639         return displayDlg("explainError", code);
 640 }
 641
 642 function displayHelpInfobox(topic_id) {
 643
 644         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 645
 646         var w = window.open(url, "ttrss_help",
 647                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 648
 649 }
 650
 651 function loading_set_progress(p) {
 652         try {
 653                 loading_progress += p;
 654
 655                 if (dijit.byId("loading_bar"))
 656                         dijit.byId("loading_bar").update({progress: loading_progress});
 657
 658                 if (loading_progress >= 90)
 659                         remove_splash();
 660
 661         } catch (e) {
 662                 exception_error("loading_set_progress", e);
 663         }
 664 }
 665
 666 function remove_splash() {
 667
 668         if (Element.visible("overlay")) {
 669                 console.log("about to remove splash, OMG!");
 670                 Element.hide("overlay");
 671                 console.log("removed splash!");
 672         }
 673 }
 674
 675 function transport_error_check(transport) {
 676         try {
 677                 if (transport.responseXML) {
 678                         var error = transport.responseXML.getElementsByTagName("error")[0];
 679
 680                         if (error) {
 681                                 var code = error.getAttribute("error-code");
 682                                 var msg = error.getAttribute("error-msg");
 683                                 if (code != 0) {
 684                                         fatalError(code, msg);
 685                                         return false;
 686                                 }
 687                         }
 688                 }
 689         } catch (e) {
 690                 exception_error("check_for_error_xml", e);
 691         }
 692         return true;
 693 }
 694
 695 function strip_tags(s) {
 696         return s.replace(/<\/?[^>]+(>|$)/g, "");
 697 }
 698
 699 function truncate_string(s, length) {
 700         if (!length) length = 30;
 701         var tmp = s.substring(0, length);
 702         if (s.length > length) tmp += "&hellip;";
 703         return tmp;
 704 }
 705
 706 function hotkey_prefix_timeout() {
 707         try {
 708
 709                 var date = new Date();
 710                 var ts = Math.round(date.getTime() / 1000);
 711
 712                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 713                         console.log("hotkey_prefix seems to be stuck, aborting");
 714                         hotkey_prefix_pressed = false;
 715                         hotkey_prefix = false;
 716                         Element.hide('cmdline');
 717                 }
 718
 719                 setTimeout("hotkey_prefix_timeout()", 1000);
 720
 721         } catch  (e) {
 722                 exception_error("hotkey_prefix_timeout", e);
 723         }
 724 }
 725
 726 function hideAuxDlg() {
 727         try {
 728                 Element.hide('auxDlg');
 729         } catch (e) {
 730                 exception_error("hideAuxDlg", e);
 731         }
 732 }
 733
 734
 735 function uploadIconHandler(rc) {
 736         try {
 737                 switch (rc) {
 738                         case 0:
 739                                 notify_info("Upload complete.");
 740                                 if (inPreferences()) {
 741                                         updateFeedList();
 742                                 } else {
 743                                         setTimeout('updateFeedList(false, false)', 50);
 744                                 }
 745                                 break;
 746                         case 1:
 747                                 notify_error("Upload failed: icon is too big.");
 748                                 break;
 749                         case 2:
 750                                 notify_error("Upload failed.");
 751                                 break;
 752                 }
 753
 754         } catch (e) {
 755                 exception_error("uploadIconHandler", e);
 756         }
 757 }
 758
 759 function removeFeedIcon(id) {
 760
 761         try {
 762
 763                 if (confirm(__("Remove stored feed icon?"))) {
 764                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 765
 766                         console.log(query);
 767
 768                         notify_progress("Removing feed icon...", true);
 769
 770                         new Ajax.Request("backend.php", {
 771                                 parameters: query,
 772                                 onComplete: function(transport) {
 773                                         notify_info("Feed icon removed.");
 774                                         if (inPreferences()) {
 775                                                 updateFeedList();
 776                                         } else {
 777                                                 setTimeout('updateFeedList(false, false)', 50);
 778                                         }
 779                                 } });
 780                 }
 781
 782                 return false;
 783         } catch (e) {
 784                 exception_error("uploadFeedIcon", e);
 785         }
 786 }
 787
 788 function uploadFeedIcon() {
 789
 790         try {
 791
 792                 var file = $("icon_file");
 793
 794                 if (file.value.length == 0) {
 795                         alert(__("Please select an image file to upload."));
 796                 } else {
 797                         if (confirm(__("Upload new icon for this feed?"))) {
 798                                 notify_progress("Uploading, please wait...", true);
 799                                 return true;
 800                         }
 801                 }
 802
 803                 return false;
 804
 805         } catch (e) {
 806                 exception_error("uploadFeedIcon", e);
 807         }
 808 }
 809
 810 function addLabel(select, callback) {
 811
 812         try {
 813
 814                 var caption = prompt(__("Please enter label caption:"), "");
 815
 816                 if (caption != undefined) {
 817
 818                         if (caption == "") {
 819                                 alert(__("Can't create label: missing caption."));
 820                                 return false;
 821                         }
 822
 823                         var query = "?op=pref-labels&subop=add&caption=" +
 824                                 param_escape(caption);
 825
 826                         if (select)
 827                                 query += "&output=select";
 828
 829                         notify_progress("Loading, please wait...", true);
 830
 831                         if (inPreferences() && !select) active_tab = "labelConfig";
 832
 833                         new Ajax.Request("backend.php", {
 834                                 parameters: query,
 835                                 onComplete: function(transport) {
 836                                         if (callback) {
 837                                                 callback(transport);
 838                                         } else if (inPreferences()) {
 839                                                 updateLabelList();
 840                                         } else {
 841                                                 updateFeedList();
 842                                         }
 843                         } });
 844
 845                 }
 846
 847         } catch (e) {
 848                 exception_error("addLabel", e);
 849         }
 850 }
 851
 852 function quickAddFeed() {
 853         try {
 854                 var query = "backend.php?op=dlg&id=quickAddFeed";
 855
 856                 if (dijit.byId("feedAddDlg"))
 857                         dijit.byId("feedAddDlg").destroyRecursive();
 858
 859                 var dialog = new dijit.Dialog({
 860                         id: "feedAddDlg",
 861                         title: __("Subscribe to Feed"),
 862                         style: "width: 600px",
 863                         execute: function() {
 864                                 if (this.validate()) {
 865                                         console.log(dojo.objectToQuery(this.attr('value')));
 866
 867                                         var feed_url = this.attr('value').feed;
 868
 869                                         notify_progress(__("Subscribing to feed..."), true);
 870
 871                                         new Ajax.Request("backend.php", {
 872                                                 parameters: dojo.objectToQuery(this.attr('value')),
 873                                                 onComplete: function(transport) {
 874                                                         try {
 875
 876                                                                 var reply = JSON.parse(transport.responseText);
 877
 878                                                                 var rc = parseInt(reply['result']);
 879
 880                                                                 notify('');
 881
 882                                                                 console.log("GOT RC: " + rc);
 883
 884                                                                 switch (rc) {
 885                                                                 case 1:
 886                                                                         dialog.hide();
 887                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 888
 889                                                                         updateFeedList();
 890                                                                         break;
 891                                                                 case 2:
 892                                                                         alert(__("Specified URL seems to be invalid."));
 893                                                                         break;
 894                                                                 case 3:
 895                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 896                                                                         break;
 897                                                                 case 4:
 898                                                                         notify_progress("Searching for feed urls...", true);
 899
 900                                                                         new Ajax.Request("backend.php", {
 901                                                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
 902                                                                                 onComplete: function(transport, dialog, feed_url) {
 903
 904                                                                                         notify('');
 905
 906                                                                                         var reply = JSON.parse(transport.responseText);
 907
 908                                                                                         var feeds = reply['urls'];
 909
 910                                                                                         console.log(transport.responseText);
 911
 912                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 913
 914                                                                                         while (select.getOptions().length > 0)
 915                                                                                                 select.removeOption(0);
 916
 917                                                                                         var count = 0;
 918                                                                                         for (var feedUrl in feeds) {
 919                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 920                                                                                                 count++;
 921                                                                                         }
 922
 923 //                                                                                      if (count > 5) count = 5;
 924 //                                                                                      select.size = count;
 925
 926                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 927                                                                                 }
 928                                                                         });
 929                                                                         break;
 930                                                                 case 5:
 931                                                                         alert(__("Couldn't download the specified URL."));
 932                                                                         break;
 933                                                                 case 0:
 934                                                                         alert(__("You are already subscribed to this feed."));
 935                                                                         break;
 936                                                                 }
 937
 938                                                         } catch (e) {
 939                                                                 exception_error("subscribeToFeed", e, transport);
 940                                                         }
 941
 942                                                 } });
 943
 944                                         }
 945                         },
 946                         href: query});
 947
 948                 dialog.show();
 949         } catch (e) {
 950                 exception_error("quickAddFeed", e);
 951         }
 952 }
 953
 954 function quickAddFilter() {
 955         try {
 956                 var query = "backend.php?op=dlg&id=quickAddFilter";
 957
 958                 if (dijit.byId("filterEditDlg"))
 959                         dijit.byId("filterEditDlg").destroyRecursive();
 960
 961                 dialog = new dijit.Dialog({
 962                         id: "filterEditDlg",
 963                         title: __("Create Filter"),
 964                         style: "width: 600px",
 965                         test: function() {
 966                                 if (this.validate()) {
 967
 968                                         if (dijit.byId("filterTestDlg"))
 969                                                 dijit.byId("filterTestDlg").destroyRecursive();
 970
 971                                         tdialog = new dijit.Dialog({
 972                                                 id: "filterTestDlg",
 973                                                 title: __("Filter Test Results"),
 974                                                 style: "width: 600px",
 975                                                 href: "backend.php?savemode=test&" +
 976                                                         dojo.objectToQuery(dialog.attr('value')),
 977                                                 });
 978
 979                                         tdialog.show();
 980
 981                                 }
 982                         },
 983                         execute: function() {
 984                                 if (this.validate()) {
 985
 986                                         var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
 987                                                 param_escape(dialog.attr('value').reg_exp);
 988
 989                                         notify_progress("Verifying regular expression...");
 990
 991                                         new Ajax.Request("backend.php", {
 992                                                 parameters: query,
 993                                                 onComplete: function(transport) {
 994                                                         var reply = JSON.parse(transport.responseText);
 995
 996                                                         if (reply) {
 997                                                                 notify('');
 998
 999                                                                 if (!reply['status']) {
1000                                                                         alert("Match regular expression seems to be invalid.");
1001                                                                         return;
1002                                                                 } else {
1003                                                                         notify_progress("Saving data...", true);
1004
1005                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
1006
1007                                                                         new Ajax.Request("backend.php", {
1008                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1009                                                                                 onComplete: function(transport) {
1010                                                                                         dialog.hide();
1011                                                                                         notify_info(transport.responseText);
1012                                                                                         if (inPreferences()) {
1013                                                                                                 updateFilterList();
1014                                                                                         }
1015                                                                         }})
1016                                                                 }
1017                                                         }
1018                                         }});
1019                                 }
1020                         },
1021                         href: query});
1022
1023                 dialog.show();
1024         } catch (e) {
1025                 exception_error("quickAddFilter", e);
1026         }
1027 }
1028
1029 function resetPubSub(feed_id, title) {
1030
1031         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1032
1033         if (title == undefined || confirm(msg)) {
1034                 notify_progress("Loading, please wait...");
1035
1036                 var query = "?op=pref-feeds&quiet=1&subop=resetPubSub&ids=" + feed_id;
1037
1038                 new Ajax.Request("backend.php", {
1039                         parameters: query,
1040                         onComplete: function(transport) {
1041                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1042                                 notify_info("Subscription reset.");
1043                         } });
1044         }
1045
1046         return false;
1047 }
1048
1049
1050 function unsubscribeFeed(feed_id, title) {
1051
1052         var msg = __("Unsubscribe from %s?").replace("%s", title);
1053
1054         if (title == undefined || confirm(msg)) {
1055                 notify_progress("Removing feed...");
1056
1057                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1058
1059                 new Ajax.Request("backend.php", {
1060                         parameters: query,
1061                         onComplete: function(transport) {
1062
1063                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1064
1065                                         if (inPreferences()) {
1066                                                 updateFeedList();
1067                                         } else {
1068                                                 if (feed_id == getActiveFeedId())
1069                                                         setTimeout("viewfeed(-5)", 100);
1070                                         }
1071
1072                                 } });
1073         }
1074
1075         return false;
1076 }
1077
1078
1079 function backend_sanity_check_callback(transport) {
1080
1081         try {
1082
1083                 if (sanity_check_done) {
1084                         fatalError(11, "Sanity check request received twice. This can indicate "+
1085                       "presence of Firebug or some other disrupting extension. "+
1086                                 "Please disable it and try again.");
1087                         return;
1088                 }
1089
1090                 var reply = JSON.parse(transport.responseText);
1091
1092                 if (!reply) {
1093                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1094                         return;
1095                 }
1096
1097                 var error_code = reply['error']['code'];
1098
1099                 if (error_code && error_code != 0) {
1100                         return fatalError(error_code, reply['error']['message']);
1101                 }
1102
1103                 console.log("sanity check ok");
1104
1105                 var params = reply['init-params'];
1106
1107                 if (params) {
1108                         console.log('reading init-params...');
1109
1110                         if (params) {
1111                                 for (k in params) {
1112                                         var v = params[k];
1113                                         console.log("IP: " + k + " => " + v);
1114                                 }
1115                         }
1116
1117                         init_params = params;
1118                 }
1119
1120                 sanity_check_done = true;
1121
1122                 init_second_stage();
1123
1124         } catch (e) {
1125                 exception_error("backend_sanity_check_callback", e, transport);
1126         }
1127 }
1128
1129 /*function has_local_storage() {
1130         try {
1131                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1132         } catch (e) {
1133                 return false;
1134         }
1135 } */
1136
1137 function catSelectOnChange(elem) {
1138         try {
1139 /*              var value = elem[elem.selectedIndex].value;
1140                 var def = elem.getAttribute('default');
1141
1142                 if (value == "ADD_CAT") {
1143
1144                         if (def)
1145                                 dropboxSelect(elem, def);
1146                         else
1147                                 elem.selectedIndex = 0;
1148
1149                         quickAddCat(elem);
1150                 } */
1151
1152         } catch (e) {
1153                 exception_error("catSelectOnChange", e);
1154         }
1155 }
1156
1157 function quickAddCat(elem) {
1158         try {
1159                 var cat = prompt(__("Please enter category title:"));
1160
1161                 if (cat) {
1162
1163                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1164
1165                         notify_progress("Loading, please wait...", true);
1166
1167                         new Ajax.Request("backend.php", {
1168                                 parameters: query,
1169                                 onComplete: function (transport) {
1170                                         var response = transport.responseXML;
1171                                         var select = response.getElementsByTagName("select")[0];
1172                                         var options = select.getElementsByTagName("option");
1173
1174                                         dropbox_replace_options(elem, options);
1175
1176                                         notify('');
1177
1178                         } });
1179
1180                 }
1181
1182         } catch (e) {
1183                 exception_error("quickAddCat", e);
1184         }
1185 }
1186
1187 function genUrlChangeKey(feed, is_cat) {
1188
1189         try {
1190                 var ok = confirm(__("Generate new syndication address for this feed?"));
1191
1192                 if (ok) {
1193
1194                         notify_progress("Trying to change address...", true);
1195
1196                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1197                                 "&is_cat=" + param_escape(is_cat);
1198
1199                         new Ajax.Request("backend.php", {
1200                                 parameters: query,
1201                                 onComplete: function(transport) {
1202                                                 var reply = JSON.parse(transport.responseText);
1203                                                 var new_link = reply.link;
1204
1205                                                 var e = $('gen_feed_url');
1206
1207                                                 if (new_link) {
1208
1209                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1210                                                                 "&amp;key=" + new_link);
1211
1212                                                         e.href = e.href.replace(/\&key=.*$/,
1213                                                                 "&key=" + new_link);
1214
1215                                                         new Effect.Highlight(e);
1216
1217                                                         notify('');
1218
1219                                                 } else {
1220                                                         notify_error("Could not change feed URL.");
1221                                                 }
1222                                 } });
1223                 }
1224         } catch (e) {
1225                 exception_error("genUrlChangeKey", e);
1226         }
1227         return false;
1228 }
1229
1230 function labelSelectOnChange(elem) {
1231         try {
1232 /*              var value = elem[elem.selectedIndex].value;
1233                 var def = elem.getAttribute('default');
1234
1235                 if (value == "ADD_LABEL") {
1236
1237                         if (def)
1238                                 dropboxSelect(elem, def);
1239                         else
1240                                 elem.selectedIndex = 0;
1241
1242                         addLabel(elem, function(transport) {
1243
1244                                         try {
1245
1246                                                 var response = transport.responseXML;
1247                                                 var select = response.getElementsByTagName("select")[0];
1248                                                 var options = select.getElementsByTagName("option");
1249
1250                                                 dropbox_replace_options(elem, options);
1251
1252                                                 notify('');
1253                                         } catch (e) {
1254                                                 exception_error("addLabel", e);
1255                                         }
1256                         });
1257                 } */
1258
1259         } catch (e) {
1260                 exception_error("labelSelectOnChange", e);
1261         }
1262 }
1263
1264 function dropbox_replace_options(elem, options) {
1265
1266         try {
1267                 while (elem.hasChildNodes())
1268                         elem.removeChild(elem.firstChild);
1269
1270                 var sel_idx = -1;
1271
1272                 for (var i = 0; i < options.length; i++) {
1273                         var text = options[i].firstChild.nodeValue;
1274                         var value = options[i].getAttribute("value");
1275
1276                         if (value == undefined) value = text;
1277
1278                         var issel = options[i].getAttribute("selected") == "1";
1279
1280                         var option = new Option(text, value, issel);
1281
1282                         if (options[i].getAttribute("disabled"))
1283                                 option.setAttribute("disabled", true);
1284
1285                         elem.insert(option);
1286
1287                         if (issel) sel_idx = i;
1288                 }
1289
1290                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1291                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1292
1293         } catch (e) {
1294                 exception_error("dropbox_replace_options", e);
1295         }
1296 }
1297
1298 // mode = all, none, invert
1299 function selectTableRows(id, mode) {
1300         try {
1301                 var rows = $(id).rows;
1302
1303                 for (var i = 0; i < rows.length; i++) {
1304                         var row = rows[i];
1305                         var cb = false;
1306
1307                         if (row.id && row.className) {
1308                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1309                                 var inputs = rows[i].getElementsByTagName("input");
1310
1311                                 for (var j = 0; j < inputs.length; j++) {
1312                                         var input = inputs[j];
1313
1314                                         if (input.getAttribute("type") == "checkbox" &&
1315                                                         input.id.match(bare_id)) {
1316
1317                                                 cb = input;
1318                                                 break;
1319                                         }
1320                                 }
1321
1322                                 if (cb) {
1323                                         var issel = row.hasClassName("Selected");
1324
1325                                         if (mode == "all" && !issel) {
1326                                                 row.addClassName("Selected");
1327                                                 cb.checked = true;
1328                                         } else if (mode == "none" && issel) {
1329                                                 row.removeClassName("Selected");
1330                                                 cb.checked = false;
1331                                         } else if (mode == "invert") {
1332
1333                                                 if (issel) {
1334                                                         row.removeClassName("Selected");
1335                                                         cb.checked = false;
1336                                                 } else {
1337                                                         row.addClassName("Selected");
1338                                                         cb.checked = true;
1339                                                 }
1340                                         }
1341                                 }
1342                         }
1343                 }
1344
1345         } catch (e) {
1346                 exception_error("selectTableRows", e);
1347
1348         }
1349 }
1350
1351 function getSelectedTableRowIds(id) {
1352         var rows = [];
1353
1354         try {
1355                 var elem_rows = $(id).rows;
1356
1357                 for (i = 0; i < elem_rows.length; i++) {
1358                         if (elem_rows[i].hasClassName("Selected")) {
1359                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1360                                 rows.push(bare_id);
1361                         }
1362                 }
1363
1364         } catch (e) {
1365                 exception_error("getSelectedTableRowIds", e);
1366         }
1367
1368         return rows;
1369 }
1370
1371 function editFeed(feed, event) {
1372         try {
1373                 if (feed <= 0)
1374                         return alert(__("You can't edit this kind of feed."));
1375
1376                 var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
1377                         param_escape(feed);
1378
1379                 console.log(query);
1380
1381                 if (dijit.byId("feedEditDlg"))
1382                         dijit.byId("feedEditDlg").destroyRecursive();
1383
1384                 dialog = new dijit.Dialog({
1385                         id: "feedEditDlg",
1386                         title: __("Edit Feed"),
1387                         style: "width: 600px",
1388                         execute: function() {
1389                                 if (this.validate()) {
1390 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1391
1392                                         notify_progress("Saving data...", true);
1393
1394                                         new Ajax.Request("backend.php", {
1395                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1396                                                 onComplete: function(transport) {
1397                                                         dialog.hide();
1398                                                         notify('');
1399                                                         updateFeedList();
1400                                         }})
1401                                 }
1402                         },
1403                         href: query});
1404
1405                 dialog.show();
1406
1407         } catch (e) {
1408                 exception_error("editFeed", e);
1409         }
1410 }
1411
1412 function feedBrowser() {
1413         try {
1414                 var query = "backend.php?op=dlg&id=feedBrowser";
1415
1416                 if (dijit.byId("feedAddDlg"))
1417                         dijit.byId("feedAddDlg").hide();
1418
1419                 if (dijit.byId("feedBrowserDlg"))
1420                         dijit.byId("feedBrowserDlg").destroyRecursive();
1421
1422                 var dialog = new dijit.Dialog({
1423                         id: "feedBrowserDlg",
1424                         title: __("More Feeds"),
1425                         style: "width: 600px",
1426                         getSelectedFeedIds: function() {
1427                                 var list = $$("#browseFeedList li[id*=FBROW]");
1428                                 var selected = new Array();
1429
1430                                 list.each(function(child) {
1431                                         var id = child.id.replace("FBROW-", "");
1432
1433                                         if (child.hasClassName('Selected')) {
1434                                                 selected.push(id);
1435                                         }
1436                                 });
1437
1438                                 return selected;
1439                         },
1440                         getSelectedFeeds: function() {
1441                                 var list = $$("#browseFeedList li.Selected");
1442                                 var selected = new Array();
1443
1444                                 list.each(function(child) {
1445                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1446                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1447
1448                                         selected.push([title,url]);
1449
1450                                 });
1451
1452                                 return selected;
1453                         },
1454
1455                         subscribe: function() {
1456                                 var mode = this.attr('value').mode;
1457                                 var selected = [];
1458
1459                                 if (mode == "1")
1460                                         selected = this.getSelectedFeeds();
1461                                 else
1462                                         selected = this.getSelectedFeedIds();
1463
1464                                 if (selected.length > 0) {
1465                                         dijit.byId("feedBrowserDlg").hide();
1466
1467                                         notify_progress("Loading, please wait...", true);
1468
1469                                         // we use dojo.toJson instead of JSON.stringify because
1470                                         // it somehow escapes everything TWICE, at least in Chrome 9
1471
1472                                         var query = "?op=rpc&subop=massSubscribe&payload="+
1473                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1474
1475                                         console.log(query);
1476
1477                                         new Ajax.Request("backend.php", {
1478                                                 parameters: query,
1479                                                 onComplete: function(transport) {
1480                                                         notify('');
1481                                                         updateFeedList();
1482                                                 } });
1483
1484                                 } else {
1485                                         alert(__("No feeds are selected."));
1486                                 }
1487
1488                         },
1489                         update: function() {
1490                                 var query = dojo.objectToQuery(dialog.attr('value'));
1491
1492                                 Element.show('feed_browser_spinner');
1493
1494                                 new Ajax.Request("backend.php", {
1495                                         parameters: query,
1496                                         onComplete: function(transport) {
1497                                                 notify('');
1498
1499                                                 Element.hide('feed_browser_spinner');
1500
1501                                                 var c = $("browseFeedList");
1502
1503                                                 var reply = JSON.parse(transport.responseText);
1504
1505                                                 var r = reply['content'];
1506                                                 var mode = reply['mode'];
1507
1508                                                 if (c && r) {
1509                                                         c.innerHTML = r;
1510                                                 }
1511
1512                                                 dojo.parser.parse("browseFeedList");
1513
1514                                                 if (mode == 2) {
1515                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1516                                                 } else {
1517                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1518                                                 }
1519
1520                                         } });
1521                         },
1522                         removeFromArchive: function() {
1523                                 var selected = this.getSelectedFeeds();
1524
1525                                 if (selected.length > 0) {
1526
1527                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1528
1529                                         if (confirm(pr)) {
1530                                                 Element.show('feed_browser_spinner');
1531
1532                                                 var query = "?op=rpc&subop=remarchived&ids=" +
1533                                                         param_escape(selected.toString());;
1534
1535                                                 new Ajax.Request("backend.php", {
1536                                                         parameters: query,
1537                                                         onComplete: function(transport) {
1538                                                                 dialog.update();
1539                                                         } });
1540                                         }
1541                                 }
1542                         },
1543                         execute: function() {
1544                                 if (this.validate()) {
1545                                         this.subscribe();
1546                                 }
1547                         },
1548                         href: query});
1549
1550                 dialog.show();
1551
1552         } catch (e) {
1553                 exception_error("editFeed", e);
1554         }
1555 }
1556
1557 function showFeedsWithErrors() {
1558         try {
1559                 var query = "backend.php?op=dlg&id=feedsWithErrors";
1560
1561                 if (dijit.byId("errorFeedsDlg"))
1562                         dijit.byId("errorFeedsDlg").destroyRecursive();
1563
1564                 dialog = new dijit.Dialog({
1565                         id: "errorFeedsDlg",
1566                         title: __("Feeds with update errors"),
1567                         style: "width: 600px",
1568                         getSelectedFeeds: function() {
1569                                 return getSelectedTableRowIds("prefErrorFeedList");
1570                         },
1571                         removeSelected: function() {
1572                                 var sel_rows = this.getSelectedFeeds();
1573
1574                                 console.log(sel_rows);
1575
1576                                 if (sel_rows.length > 0) {
1577                                         var ok = confirm(__("Remove selected feeds?"));
1578
1579                                         if (ok) {
1580                                                 notify_progress("Removing selected feeds...", true);
1581
1582                                                 var query = "?op=pref-feeds&subop=remove&ids="+
1583                                                         param_escape(sel_rows.toString());
1584
1585                                                 new Ajax.Request("backend.php", {
1586                                                         parameters: query,
1587                                                         onComplete: function(transport) {
1588                                                                 notify('');
1589                                                                 dialog.hide();
1590                                                                 updateFeedList();
1591                                                         } });
1592                                         }
1593
1594                                 } else {
1595                                         alert(__("No feeds are selected."));
1596                                 }
1597                         },
1598                         execute: function() {
1599                                 if (this.validate()) {
1600                                 }
1601                         },
1602                         href: query});
1603
1604                 dialog.show();
1605
1606         } catch (e) {
1607                 exception_error("showFeedsWithErrors", e);
1608         }
1609
1610 }
1611
1612 /* new support functions for SelectByTag */
1613
1614 function get_all_tags(selObj){
1615         try {
1616                 if( !selObj ) return "";
1617
1618                 var result = "";
1619                 var len = selObj.options.length;
1620
1621                 for (var i=0; i < len; i++){
1622                         if (selObj.options[i].selected) {
1623                                 result += selObj[i].value + "%2C";   // is really a comma
1624                         }
1625                 }
1626
1627                 if (result.length > 0){
1628                         result = result.substr(0, result.length-3);  // remove trailing %2C
1629                 }
1630
1631                 return(result);
1632
1633         } catch (e) {
1634                 exception_error("get_all_tags", e);
1635         }
1636 }
1637
1638 function get_radio_checked(radioObj) {
1639         try {
1640                 if (!radioObj) return "";
1641
1642                 var len = radioObj.length;
1643
1644                 if (len == undefined){
1645                         if(radioObj.checked){
1646                                 return(radioObj.value);
1647                         } else {
1648                                 return("");
1649                         }
1650                 }
1651
1652                 for( var i=0; i < len; i++ ){
1653                         if( radioObj[i].checked ){
1654                                 return( radioObj[i].value);
1655                         }
1656                 }
1657
1658         } catch (e) {
1659                 exception_error("get_radio_checked", e);
1660         }
1661         return("");
1662 }