js/functions.js

   1 var notify_silent = false;
   2 var loading_progress = 0;
   3 var sanity_check_done = false;
   4 var init_params = {};
   5
   6 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
   7         function (callOriginal, options) {
   8
   9                 if (getInitParam("csrf_token") != undefined) {
  10                         Object.extend(options, options || { });
  11
  12                         if (Object.isString(options.parameters))
  13                                 options.parameters = options.parameters.toQueryParams();
  14                         else if (Object.isHash(options.parameters))
  15                                 options.parameters = options.parameters.toObject();
  16
  17                         options.parameters["csrf_token"] = getInitParam("csrf_token");
  18                 }
  19
  20                 return callOriginal(options);
  21         }
  22 );
  23
  24 /* add method to remove element from array */
  25
  26 Array.prototype.remove = function(s) {
  27         for (var i=0; i < this.length; i++) {
  28                 if (s == this[i]) this.splice(i, 1);
  29         }
  30 };
  31
  32 /* create console.log if it doesn't exist */
  33
  34 if (!window.console) console = {};
  35 console.log = console.log || function(msg) { };
  36 console.warn = console.warn || function(msg) { };
  37 console.error = console.error || function(msg) { };
  38
  39 function exception_error(location, e, ext_info) {
  40         var msg = format_exception_error(location, e);
  41
  42         if (!ext_info) ext_info = false;
  43
  44         try {
  45
  46                 if (ext_info) {
  47                         if (ext_info.responseText) {
  48                                 ext_info = ext_info.responseText;
  49                         }
  50                 }
  51
  52                 var content = "<div class=\"fatalError\">" +
  53                         "<pre>" + msg + "</pre>";
  54
  55                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  56                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  57
  58                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  59                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  60
  61                 if (ext_info) {
  62                         content += "<div><b>Additional information:</b></div>" +
  63                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  64                 }
  65
  66                 content += "<div><b>Stack trace:</b></div>" +
  67                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  68
  69                 content += "</form>";
  70
  71                 content += "</div>";
  72
  73                 content += "<div class='dlgButtons'>";
  74
  75                 content += "<button dojoType=\"dijit.form.Button\""+
  76                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  77                                 __('Report to tt-rss.org') + "</button> ";
  78                 content += "<button dojoType=\"dijit.form.Button\" "+
  79                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  80                                 __('Close') + "</button>";
  81                 content += "</div>";
  82
  83                 if (dijit.byId("exceptionDlg"))
  84                         dijit.byId("exceptionDlg").destroyRecursive();
  85
  86                 var dialog = new dijit.Dialog({
  87                         id: "exceptionDlg",
  88                         title: "Unhandled exception",
  89                         style: "width: 600px",
  90                         report: function() {
  91                                 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."))) {
  92
  93                                         document.forms['exceptionForm'].params.value = $H({
  94                                                 browserName: navigator.appName,
  95                                                 browserVersion: navigator.appVersion,
  96                                                 browserPlatform: navigator.platform,
  97                                                 browserCookies: navigator.cookieEnabled,
  98                                         }).toQueryString();
  99
 100                                         document.forms['exceptionForm'].submit();
 101
 102                                 }
 103                         },
 104                         content: content});
 105
 106                 dialog.show();
 107
 108         } catch (e) {
 109                 alert(msg);
 110         }
 111
 112 }
 113
 114 function format_exception_error(location, e) {
 115         var msg;
 116
 117         if (e.fileName) {
 118                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 119
 120                 msg = "Exception: " + e.name + ", " + e.message +
 121                         "\nFunction: " + location + "()" +
 122                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 123
 124         } else if (e.description) {
 125                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 126         } else {
 127                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 128         }
 129
 130         console.error("EXCEPTION: " + msg);
 131
 132         return msg;
 133 }
 134
 135 function param_escape(arg) {
 136         if (typeof encodeURIComponent != 'undefined')
 137                 return encodeURIComponent(arg);
 138         else
 139                 return escape(arg);
 140 }
 141
 142 function param_unescape(arg) {
 143         if (typeof decodeURIComponent != 'undefined')
 144                 return decodeURIComponent(arg);
 145         else
 146                 return unescape(arg);
 147 }
 148
 149 var notify_hide_timerid = false;
 150
 151 function hide_notify() {
 152         var n = $("notify");
 153         if (n) {
 154                 n.style.display = "none";
 155         }
 156 }
 157
 158 function notify_silent_next() {
 159         notify_silent = true;
 160 }
 161
 162 function notify_real(msg, no_hide, n_type) {
 163
 164         if (notify_silent) {
 165                 notify_silent = false;
 166                 return;
 167         }
 168
 169         var n = $("notify");
 170         var nb = $("notify_body");
 171
 172         if (!n || !nb) return;
 173
 174         if (notify_hide_timerid) {
 175                 window.clearTimeout(notify_hide_timerid);
 176         }
 177
 178         if (msg == "") {
 179                 if (n.style.display == "block") {
 180                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 181                 }
 182                 return;
 183         } else {
 184                 n.style.display = "block";
 185         }
 186
 187         /* types:
 188
 189                 1 - generic
 190                 2 - progress
 191                 3 - error
 192                 4 - info
 193
 194         */
 195
 196         if (typeof __ != 'undefined') {
 197                 msg = __(msg);
 198         }
 199
 200         if (n_type == 1) {
 201                 n.className = "notify";
 202         } else if (n_type == 2) {
 203                 n.className = "notifyProgress";
 204                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 205         } else if (n_type == 3) {
 206                 n.className = "notifyError";
 207                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 208         } else if (n_type == 4) {
 209                 n.className = "notifyInfo";
 210                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 211         }
 212
 213 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 214
 215         nb.innerHTML = msg;
 216
 217         if (!no_hide) {
 218                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 219         }
 220 }
 221
 222 function notify(msg, no_hide) {
 223         notify_real(msg, no_hide, 1);
 224 }
 225
 226 function notify_progress(msg, no_hide) {
 227         notify_real(msg, no_hide, 2);
 228 }
 229
 230 function notify_error(msg, no_hide) {
 231         notify_real(msg, no_hide, 3);
 232
 233 }
 234
 235 function notify_info(msg, no_hide) {
 236         notify_real(msg, no_hide, 4);
 237 }
 238
 239 function setCookie(name, value, lifetime, path, domain, secure) {
 240
 241         var d = false;
 242
 243         if (lifetime) {
 244                 d = new Date();
 245                 d.setTime(d.getTime() + (lifetime * 1000));
 246         }
 247
 248         console.log("setCookie: " + name + " => " + value + ": " + d);
 249
 250         int_setCookie(name, value, d, path, domain, secure);
 251
 252 }
 253
 254 function int_setCookie(name, value, expires, path, domain, secure) {
 255         document.cookie= name + "=" + escape(value) +
 256                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 257                 ((path) ? "; path=" + path : "") +
 258                 ((domain) ? "; domain=" + domain : "") +
 259                 ((secure) ? "; secure" : "");
 260 }
 261
 262 function delCookie(name, path, domain) {
 263         if (getCookie(name)) {
 264                 document.cookie = name + "=" +
 265                 ((path) ? ";path=" + path : "") +
 266                 ((domain) ? ";domain=" + domain : "" ) +
 267                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 268         }
 269 }
 270
 271
 272 function getCookie(name) {
 273
 274         var dc = document.cookie;
 275         var prefix = name + "=";
 276         var begin = dc.indexOf("; " + prefix);
 277         if (begin == -1) {
 278             begin = dc.indexOf(prefix);
 279             if (begin != 0) return null;
 280         }
 281         else {
 282             begin += 2;
 283         }
 284         var end = document.cookie.indexOf(";", begin);
 285         if (end == -1) {
 286             end = dc.length;
 287         }
 288         return unescape(dc.substring(begin + prefix.length, end));
 289 }
 290
 291 function gotoPreferences() {
 292         document.location.href = "prefs.php";
 293 }
 294
 295 function gotoMain() {
 296         document.location.href = "index.php";
 297 }
 298
 299 function gotoExportOpml(filename, settings) {
 300     tmp = settings ? 1 : 0;
 301         document.location.href = "opml.php?op=Export&filename=" + filename + "&settings=" + tmp;
 302 }
 303
 304
 305 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 306   * * @author Sundar Dorai-Raj
 307   * * Email: sdoraira@vt.edu
 308   * * This program is free software; you can redistribute it and/or
 309   * * modify it under the terms of the GNU General Public License
 310   * * as published by the Free Software Foundation; either version 2
 311   * * of the License, or (at your option) any later version,
 312   * * provided that any use properly credits the author.
 313   * * This program is distributed in the hope that it will be useful,
 314   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 315   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 316   * * GNU General Public License for more details at http://www.gnu.org * * */
 317
 318   var numbers=".0123456789";
 319   function isNumeric(x) {
 320     // is x a String or a character?
 321     if(x.length>1) {
 322       // remove negative sign
 323       x=Math.abs(x)+"";
 324       for(var j=0;j<x.length;j++) {
 325         // call isNumeric recursively for each character
 326         number=isNumeric(x.substring(j,j+1));
 327         if(!number) return number;
 328       }
 329       return number;
 330     }
 331     else {
 332       // if x is number return true
 333       if(numbers.indexOf(x)>=0) return true;
 334       return false;
 335     }
 336   }
 337
 338
 339 function toggleSelectRowById(sender, id) {
 340         var row = $(id);
 341         return toggleSelectRow(sender, row);
 342 }
 343
 344 function toggleSelectListRow(sender) {
 345         var row = sender.parentNode;
 346         return toggleSelectRow(sender, row);
 347 }
 348
 349 /* this is for dijit Checkbox */
 350 function toggleSelectListRow2(sender) {
 351         var row = sender.domNode.parentNode;
 352         return toggleSelectRow(sender, row);
 353 }
 354
 355 function tSR(sender, row) {
 356         return toggleSelectRow(sender, row);
 357 }
 358
 359 /* this is for dijit Checkbox */
 360 function toggleSelectRow2(sender, row) {
 361
 362         if (!row) row = sender.domNode.parentNode.parentNode;
 363
 364         if (sender.checked && !row.hasClassName('Selected'))
 365                 row.addClassName('Selected');
 366         else
 367                 row.removeClassName('Selected');
 368 }
 369
 370
 371 function toggleSelectRow(sender, row) {
 372
 373         if (!row) row = sender.parentNode.parentNode;
 374
 375         if (sender.checked && !row.hasClassName('Selected'))
 376                 row.addClassName('Selected');
 377         else
 378                 row.removeClassName('Selected');
 379 }
 380
 381 function checkboxToggleElement(elem, id) {
 382         if (elem.checked) {
 383                 Effect.Appear(id, {duration : 0.5});
 384         } else {
 385                 Effect.Fade(id, {duration : 0.5});
 386         }
 387 }
 388
 389 function dropboxSelect(e, v) {
 390         for (var i = 0; i < e.length; i++) {
 391                 if (e[i].value == v) {
 392                         e.selectedIndex = i;
 393                         break;
 394                 }
 395         }
 396 }
 397
 398 function getURLParam(param){
 399         return String(window.location.href).parseQuery()[param];
 400 }
 401
 402 function leading_zero(p) {
 403         var s = String(p);
 404         if (s.length == 1) s = "0" + s;
 405         return s;
 406 }
 407
 408 function make_timestamp() {
 409         var d = new Date();
 410
 411         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 412                         ":" + leading_zero(d.getSeconds());
 413 }
 414
 415
 416 function closeInfoBox(cleanup) {
 417         try {
 418                 dialog = dijit.byId("infoBox");
 419
 420                 if (dialog)     dialog.hide();
 421
 422         } catch (e) {
 423                 //exception_error("closeInfoBox", e);
 424         }
 425         return false;
 426 }
 427
 428
 429 function displayDlg(id, param, callback) {
 430
 431         notify_progress("Loading, please wait...", true);
 432
 433         var query = "?op=dlg&method=" +
 434                 param_escape(id) + "&param=" + param_escape(param);
 435
 436         new Ajax.Request("backend.php", {
 437                 parameters: query,
 438                 onComplete: function (transport) {
 439                         infobox_callback2(transport);
 440                         if (callback) callback(transport);
 441                 } });
 442
 443         return false;
 444 }
 445
 446 function infobox_callback2(transport) {
 447         try {
 448                 var dialog = false;
 449
 450                 if (dijit.byId("infoBox")) {
 451                         dialog = dijit.byId("infoBox");
 452                 }
 453
 454                 //console.log("infobox_callback2");
 455                 notify('');
 456
 457                 var title = transport.responseXML.getElementsByTagName("title")[0];
 458                 if (title)
 459                         title = title.firstChild.nodeValue;
 460
 461                 var content = transport.responseXML.getElementsByTagName("content")[0];
 462
 463                 content = content.firstChild.nodeValue;
 464
 465                 if (!dialog) {
 466                         dialog = new dijit.Dialog({
 467                                 title: title,
 468                                 id: 'infoBox',
 469                                 style: "width: 600px",
 470                                 onCancel: function() {
 471                                         return true;
 472                                 },
 473                                 onExecute: function() {
 474                                         return true;
 475                                 },
 476                                 onClose: function() {
 477                                         return true;
 478                                         },
 479                                 content: content});
 480                 } else {
 481                         dialog.attr('title', title);
 482                         dialog.attr('content', content);
 483                 }
 484
 485                 dialog.show();
 486
 487                 notify("");
 488         } catch (e) {
 489                 exception_error("infobox_callback2", e);
 490         }
 491 }
 492
 493 function filterCR(e, f)
 494 {
 495      var key;
 496
 497      if(window.event)
 498           key = window.event.keyCode;     //IE
 499      else
 500           key = e.which;     //firefox
 501
 502         if (key == 13) {
 503                 if (typeof f != 'undefined') {
 504                         f();
 505                         return false;
 506                 } else {
 507                         return false;
 508                 }
 509         } else {
 510                 return true;
 511         }
 512 }
 513
 514 function getInitParam(key) {
 515         return init_params[key];
 516 }
 517
 518 function setInitParam(key, value) {
 519         init_params[key] = value;
 520 }
 521
 522 function fatalError(code, msg, ext_info) {
 523         try {
 524
 525                 if (code == 6) {
 526                         window.location.href = "index.php";
 527                 } else if (code == 5) {
 528                         window.location.href = "db-updater.php";
 529                 } else {
 530
 531                         if (msg == "") msg = "Unknown error";
 532
 533                         if (ext_info) {
 534                                 if (ext_info.responseText) {
 535                                         ext_info = ext_info.responseText;
 536                                 }
 537                         }
 538
 539                         if (ERRORS && ERRORS[code] && !msg) {
 540                                 msg = ERRORS[code];
 541                         }
 542
 543                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 544                                 "<p>" + msg + "</p>";
 545
 546                         if (ext_info) {
 547                                 content = content + "<div><b>Additional information:</b></div>" +
 548                                         "<textarea style='width: 100%' readonly=\"1\">" +
 549                                         ext_info + "</textarea>";
 550                         }
 551
 552                         var dialog = new dijit.Dialog({
 553                                 title: "Fatal error",
 554                                 style: "width: 600px",
 555                                 content: content});
 556
 557                         dialog.show();
 558
 559                 }
 560
 561                 return false;
 562
 563         } catch (e) {
 564                 exception_error("fatalError", e);
 565         }
 566 }
 567
 568 function filterDlgCheckType(sender) {
 569
 570         try {
 571
 572                 var ftype = sender.value;
 573
 574                 // if selected filter type is 5 (Date) enable the modifier dropbox
 575                 if (ftype == 5) {
 576                         Element.show("filterDlg_dateModBox");
 577                         Element.show("filterDlg_dateChkBox");
 578                 } else {
 579                         Element.hide("filterDlg_dateModBox");
 580                         Element.hide("filterDlg_dateChkBox");
 581
 582                 }
 583
 584         } catch (e) {
 585                 exception_error("filterDlgCheckType", e);
 586         }
 587
 588 }
 589
 590 function filterDlgCheckAction(sender) {
 591
 592         try {
 593
 594                 var action = sender.value;
 595
 596                 var action_param = $("filterDlg_paramBox");
 597
 598                 if (!action_param) {
 599                         console.log("filterDlgCheckAction: can't find action param box!");
 600                         return;
 601                 }
 602
 603                 // if selected action supports parameters, enable params field
 604                 if (action == 4 || action == 6 || action == 7) {
 605                         new Effect.Appear(action_param, {duration : 0.5});
 606                         if (action != 7) {
 607                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 608                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 609                         } else {
 610                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 611                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 612                         }
 613                 } else {
 614                         Element.hide(action_param);
 615                 }
 616
 617         } catch (e) {
 618                 exception_error("filterDlgCheckAction", e);
 619         }
 620
 621 }
 622
 623 function filterDlgCheckDate() {
 624         try {
 625                 var dialog = dijit.byId("filterEditDlg");
 626
 627                 var reg_exp = dialog.attr('value').reg_exp;
 628
 629                 var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 630
 631                 new Ajax.Request("backend.php", {
 632                         parameters: query,
 633                         onComplete: function(transport) {
 634
 635                                 var reply = JSON.parse(transport.responseText);
 636
 637                                 if (reply['result'] == true) {
 638                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 639                                         return;
 640                                 } else {
 641                                         alert(__("Date syntax is incorrect."));
 642                                 }
 643
 644                         } });
 645
 646
 647         } catch (e) {
 648                 exception_error("filterDlgCheckDate", e);
 649         }
 650 }
 651
 652 function explainError(code) {
 653         return displayDlg("explainError", code);
 654 }
 655
 656 function loading_set_progress(p) {
 657         try {
 658                 loading_progress += p;
 659
 660                 if (dijit.byId("loading_bar"))
 661                         dijit.byId("loading_bar").update({progress: loading_progress});
 662
 663                 if (loading_progress >= 90)
 664                         remove_splash();
 665
 666         } catch (e) {
 667                 exception_error("loading_set_progress", e);
 668         }
 669 }
 670
 671 function remove_splash() {
 672
 673         if (Element.visible("overlay")) {
 674                 console.log("about to remove splash, OMG!");
 675                 Element.hide("overlay");
 676                 console.log("removed splash!");
 677         }
 678 }
 679
 680 function transport_error_check(transport) {
 681         try {
 682                 if (transport.responseXML) {
 683                         var error = transport.responseXML.getElementsByTagName("error")[0];
 684
 685                         if (error) {
 686                                 var code = error.getAttribute("error-code");
 687                                 var msg = error.getAttribute("error-msg");
 688                                 if (code != 0) {
 689                                         fatalError(code, msg);
 690                                         return false;
 691                                 }
 692                         }
 693                 }
 694         } catch (e) {
 695                 exception_error("check_for_error_xml", e);
 696         }
 697         return true;
 698 }
 699
 700 function strip_tags(s) {
 701         return s.replace(/<\/?[^>]+(>|$)/g, "");
 702 }
 703
 704 function truncate_string(s, length) {
 705         if (!length) length = 30;
 706         var tmp = s.substring(0, length);
 707         if (s.length > length) tmp += "&hellip;";
 708         return tmp;
 709 }
 710
 711 function hotkey_prefix_timeout() {
 712         try {
 713
 714                 var date = new Date();
 715                 var ts = Math.round(date.getTime() / 1000);
 716
 717                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 718                         console.log("hotkey_prefix seems to be stuck, aborting");
 719                         hotkey_prefix_pressed = false;
 720                         hotkey_prefix = false;
 721                         Element.hide('cmdline');
 722                 }
 723
 724                 setTimeout("hotkey_prefix_timeout()", 1000);
 725
 726         } catch  (e) {
 727                 exception_error("hotkey_prefix_timeout", e);
 728         }
 729 }
 730
 731 function hideAuxDlg() {
 732         try {
 733                 Element.hide('auxDlg');
 734         } catch (e) {
 735                 exception_error("hideAuxDlg", e);
 736         }
 737 }
 738
 739
 740 function uploadIconHandler(rc) {
 741         try {
 742                 switch (rc) {
 743                         case 0:
 744                                 notify_info("Upload complete.");
 745                                 if (inPreferences()) {
 746                                         updateFeedList();
 747                                 } else {
 748                                         setTimeout('updateFeedList(false, false)', 50);
 749                                 }
 750                                 break;
 751                         case 1:
 752                                 notify_error("Upload failed: icon is too big.");
 753                                 break;
 754                         case 2:
 755                                 notify_error("Upload failed.");
 756                                 break;
 757                 }
 758
 759         } catch (e) {
 760                 exception_error("uploadIconHandler", e);
 761         }
 762 }
 763
 764 function removeFeedIcon(id) {
 765
 766         try {
 767
 768                 if (confirm(__("Remove stored feed icon?"))) {
 769                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 770
 771                         console.log(query);
 772
 773                         notify_progress("Removing feed icon...", true);
 774
 775                         new Ajax.Request("backend.php", {
 776                                 parameters: query,
 777                                 onComplete: function(transport) {
 778                                         notify_info("Feed icon removed.");
 779                                         if (inPreferences()) {
 780                                                 updateFeedList();
 781                                         } else {
 782                                                 setTimeout('updateFeedList(false, false)', 50);
 783                                         }
 784                                 } });
 785                 }
 786
 787                 return false;
 788         } catch (e) {
 789                 exception_error("uploadFeedIcon", e);
 790         }
 791 }
 792
 793 function uploadFeedIcon() {
 794
 795         try {
 796
 797                 var file = $("icon_file");
 798
 799                 if (file.value.length == 0) {
 800                         alert(__("Please select an image file to upload."));
 801                 } else {
 802                         if (confirm(__("Upload new icon for this feed?"))) {
 803                                 notify_progress("Uploading, please wait...", true);
 804                                 return true;
 805                         }
 806                 }
 807
 808                 return false;
 809
 810         } catch (e) {
 811                 exception_error("uploadFeedIcon", e);
 812         }
 813 }
 814
 815 function addLabel(select, callback) {
 816
 817         try {
 818
 819                 var caption = prompt(__("Please enter label caption:"), "");
 820
 821                 if (caption != undefined) {
 822
 823                         if (caption == "") {
 824                                 alert(__("Can't create label: missing caption."));
 825                                 return false;
 826                         }
 827
 828                         var query = "?op=pref-labels&method=add&caption=" +
 829                                 param_escape(caption);
 830
 831                         if (select)
 832                                 query += "&output=select";
 833
 834                         notify_progress("Loading, please wait...", true);
 835
 836                         if (inPreferences() && !select) active_tab = "labelConfig";
 837
 838                         new Ajax.Request("backend.php", {
 839                                 parameters: query,
 840                                 onComplete: function(transport) {
 841                                         if (callback) {
 842                                                 callback(transport);
 843                                         } else if (inPreferences()) {
 844                                                 updateLabelList();
 845                                         } else {
 846                                                 updateFeedList();
 847                                         }
 848                         } });
 849
 850                 }
 851
 852         } catch (e) {
 853                 exception_error("addLabel", e);
 854         }
 855 }
 856
 857 function quickAddFeed() {
 858         try {
 859                 var query = "backend.php?op=dlg&method=quickAddFeed";
 860
 861                 if (dijit.byId("feedAddDlg"))
 862                         dijit.byId("feedAddDlg").destroyRecursive();
 863
 864                 var dialog = new dijit.Dialog({
 865                         id: "feedAddDlg",
 866                         title: __("Subscribe to Feed"),
 867                         style: "width: 600px",
 868                         execute: function() {
 869                                 if (this.validate()) {
 870                                         console.log(dojo.objectToQuery(this.attr('value')));
 871
 872                                         var feed_url = this.attr('value').feed;
 873
 874                                         notify_progress(__("Subscribing to feed..."), true);
 875
 876                                         new Ajax.Request("backend.php", {
 877                                                 parameters: dojo.objectToQuery(this.attr('value')),
 878                                                 onComplete: function(transport) {
 879                                                         try {
 880
 881                                                                 var reply = JSON.parse(transport.responseText);
 882
 883                                                                 var rc = parseInt(reply['result']);
 884
 885                                                                 notify('');
 886
 887                                                                 console.log("GOT RC: " + rc);
 888
 889                                                                 switch (rc) {
 890                                                                 case 1:
 891                                                                         dialog.hide();
 892                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 893
 894                                                                         updateFeedList();
 895                                                                         break;
 896                                                                 case 2:
 897                                                                         alert(__("Specified URL seems to be invalid."));
 898                                                                         break;
 899                                                                 case 3:
 900                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 901                                                                         break;
 902                                                                 case 4:
 903                                                                         notify_progress("Searching for feed urls...", true);
 904
 905                                                                         new Ajax.Request("backend.php", {
 906                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 907                                                                                 onComplete: function(transport, dialog, feed_url) {
 908
 909                                                                                         notify('');
 910
 911                                                                                         var reply = JSON.parse(transport.responseText);
 912
 913                                                                                         var feeds = reply['urls'];
 914
 915                                                                                         console.log(transport.responseText);
 916
 917                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 918
 919                                                                                         while (select.getOptions().length > 0)
 920                                                                                                 select.removeOption(0);
 921
 922                                                                                         var count = 0;
 923                                                                                         for (var feedUrl in feeds) {
 924                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 925                                                                                                 count++;
 926                                                                                         }
 927
 928 //                                                                                      if (count > 5) count = 5;
 929 //                                                                                      select.size = count;
 930
 931                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 932                                                                                 }
 933                                                                         });
 934                                                                         break;
 935                                                                 case 5:
 936                                                                         alert(__("Couldn't download the specified URL."));
 937                                                                         break;
 938                                                                 case 0:
 939                                                                         alert(__("You are already subscribed to this feed."));
 940                                                                         break;
 941                                                                 }
 942
 943                                                         } catch (e) {
 944                                                                 exception_error("subscribeToFeed", e, transport);
 945                                                         }
 946
 947                                                 } });
 948
 949                                         }
 950                         },
 951                         href: query});
 952
 953                 dialog.show();
 954         } catch (e) {
 955                 exception_error("quickAddFeed", e);
 956         }
 957 }
 958
 959 function quickAddFilter() {
 960         try {
 961                 var query = "backend.php?op=dlg&method=quickAddFilter";
 962
 963                 if (dijit.byId("filterEditDlg"))
 964                         dijit.byId("filterEditDlg").destroyRecursive();
 965
 966                 dialog = new dijit.Dialog({
 967                         id: "filterEditDlg",
 968                         title: __("Create Filter"),
 969                         style: "width: 600px",
 970                         test: function() {
 971                                 if (this.validate()) {
 972
 973                                         if (dijit.byId("filterTestDlg"))
 974                                                 dijit.byId("filterTestDlg").destroyRecursive();
 975
 976                                         tdialog = new dijit.Dialog({
 977                                                 id: "filterTestDlg",
 978                                                 title: __("Filter Test Results"),
 979                                                 style: "width: 600px",
 980                                                 href: "backend.php?savemode=test&" +
 981                                                         dojo.objectToQuery(dialog.attr('value')),
 982                                                 });
 983
 984                                         tdialog.show();
 985
 986                                 }
 987                         },
 988                         execute: function() {
 989                                 if (this.validate()) {
 990
 991                                         var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
 992                                                 param_escape(dialog.attr('value').reg_exp);
 993
 994                                         notify_progress("Verifying regular expression...");
 995
 996                                         new Ajax.Request("backend.php", {
 997                                                 parameters: query,
 998                                                 onComplete: function(transport) {
 999                                                         var reply = JSON.parse(transport.responseText);
1000
1001                                                         if (reply) {
1002                                                                 notify('');
1003
1004                                                                 if (!reply['status']) {
1005                                                                         alert("Match regular expression seems to be invalid.");
1006                                                                         return;
1007                                                                 } else {
1008                                                                         notify_progress("Saving data...", true);
1009
1010                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
1011
1012                                                                         new Ajax.Request("backend.php", {
1013                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1014                                                                                 onComplete: function(transport) {
1015                                                                                         dialog.hide();
1016                                                                                         notify_info(transport.responseText);
1017                                                                                         if (inPreferences()) {
1018                                                                                                 updateFilterList();
1019                                                                                         }
1020                                                                         }});
1021                                                                 }
1022                                                         }
1023                                         }});
1024                                 }
1025                         },
1026                         href: query});
1027
1028                 dialog.show();
1029         } catch (e) {
1030                 exception_error("quickAddFilter", e);
1031         }
1032 }
1033
1034 function resetPubSub(feed_id, title) {
1035
1036         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1037
1038         if (title == undefined || confirm(msg)) {
1039                 notify_progress("Loading, please wait...");
1040
1041                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1042
1043                 new Ajax.Request("backend.php", {
1044                         parameters: query,
1045                         onComplete: function(transport) {
1046                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1047                                 notify_info("Subscription reset.");
1048                         } });
1049         }
1050
1051         return false;
1052 }
1053
1054
1055 function unsubscribeFeed(feed_id, title) {
1056
1057         var msg = __("Unsubscribe from %s?").replace("%s", title);
1058
1059         if (title == undefined || confirm(msg)) {
1060                 notify_progress("Removing feed...");
1061
1062                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1063
1064                 new Ajax.Request("backend.php", {
1065                         parameters: query,
1066                         onComplete: function(transport) {
1067
1068                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1069
1070                                         if (inPreferences()) {
1071                                                 updateFeedList();
1072                                         } else {
1073                                                 if (feed_id == getActiveFeedId())
1074                                                         setTimeout("viewfeed(-5)", 100);
1075                                         }
1076
1077                                 } });
1078         }
1079
1080         return false;
1081 }
1082
1083
1084 function backend_sanity_check_callback(transport) {
1085
1086         try {
1087
1088                 if (sanity_check_done) {
1089                         fatalError(11, "Sanity check request received twice. This can indicate "+
1090                       "presence of Firebug or some other disrupting extension. "+
1091                                 "Please disable it and try again.");
1092                         return;
1093                 }
1094
1095                 var reply = JSON.parse(transport.responseText);
1096
1097                 if (!reply) {
1098                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1099                         return;
1100                 }
1101
1102                 var error_code = reply['error']['code'];
1103
1104                 if (error_code && error_code != 0) {
1105                         return fatalError(error_code, reply['error']['message']);
1106                 }
1107
1108                 console.log("sanity check ok");
1109
1110                 var params = reply['init-params'];
1111
1112                 if (params) {
1113                         console.log('reading init-params...');
1114
1115                         if (params) {
1116                                 for (k in params) {
1117                                         var v = params[k];
1118                                         console.log("IP: " + k + " => " + v);
1119                                 }
1120                         }
1121
1122                         init_params = params;
1123                 }
1124
1125                 sanity_check_done = true;
1126
1127                 init_second_stage();
1128
1129         } catch (e) {
1130                 exception_error("backend_sanity_check_callback", e, transport);
1131         }
1132 }
1133
1134 /*function has_local_storage() {
1135         try {
1136                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1137         } catch (e) {
1138                 return false;
1139         }
1140 } */
1141
1142 function catSelectOnChange(elem) {
1143         try {
1144 /*              var value = elem[elem.selectedIndex].value;
1145                 var def = elem.getAttribute('default');
1146
1147                 if (value == "ADD_CAT") {
1148
1149                         if (def)
1150                                 dropboxSelect(elem, def);
1151                         else
1152                                 elem.selectedIndex = 0;
1153
1154                         quickAddCat(elem);
1155                 } */
1156
1157         } catch (e) {
1158                 exception_error("catSelectOnChange", e);
1159         }
1160 }
1161
1162 function quickAddCat(elem) {
1163         try {
1164                 var cat = prompt(__("Please enter category title:"));
1165
1166                 if (cat) {
1167
1168                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1169
1170                         notify_progress("Loading, please wait...", true);
1171
1172                         new Ajax.Request("backend.php", {
1173                                 parameters: query,
1174                                 onComplete: function (transport) {
1175                                         var response = transport.responseXML;
1176                                         var select = response.getElementsByTagName("select")[0];
1177                                         var options = select.getElementsByTagName("option");
1178
1179                                         dropbox_replace_options(elem, options);
1180
1181                                         notify('');
1182
1183                         } });
1184
1185                 }
1186
1187         } catch (e) {
1188                 exception_error("quickAddCat", e);
1189         }
1190 }
1191
1192 function genUrlChangeKey(feed, is_cat) {
1193
1194         try {
1195                 var ok = confirm(__("Generate new syndication address for this feed?"));
1196
1197                 if (ok) {
1198
1199                         notify_progress("Trying to change address...", true);
1200
1201                         var query = "?op=rpc&method=regenFeedKey&id=" + param_escape(feed) +
1202                                 "&is_cat=" + param_escape(is_cat);
1203
1204                         new Ajax.Request("backend.php", {
1205                                 parameters: query,
1206                                 onComplete: function(transport) {
1207                                                 var reply = JSON.parse(transport.responseText);
1208                                                 var new_link = reply.link;
1209
1210                                                 var e = $('gen_feed_url');
1211
1212                                                 if (new_link) {
1213
1214                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1215                                                                 "&amp;key=" + new_link);
1216
1217                                                         e.href = e.href.replace(/\&key=.*$/,
1218                                                                 "&key=" + new_link);
1219
1220                                                         new Effect.Highlight(e);
1221
1222                                                         notify('');
1223
1224                                                 } else {
1225                                                         notify_error("Could not change feed URL.");
1226                                                 }
1227                                 } });
1228                 }
1229         } catch (e) {
1230                 exception_error("genUrlChangeKey", e);
1231         }
1232         return false;
1233 }
1234
1235 function labelSelectOnChange(elem) {
1236         try {
1237 /*              var value = elem[elem.selectedIndex].value;
1238                 var def = elem.getAttribute('default');
1239
1240                 if (value == "ADD_LABEL") {
1241
1242                         if (def)
1243                                 dropboxSelect(elem, def);
1244                         else
1245                                 elem.selectedIndex = 0;
1246
1247                         addLabel(elem, function(transport) {
1248
1249                                         try {
1250
1251                                                 var response = transport.responseXML;
1252                                                 var select = response.getElementsByTagName("select")[0];
1253                                                 var options = select.getElementsByTagName("option");
1254
1255                                                 dropbox_replace_options(elem, options);
1256
1257                                                 notify('');
1258                                         } catch (e) {
1259                                                 exception_error("addLabel", e);
1260                                         }
1261                         });
1262                 } */
1263
1264         } catch (e) {
1265                 exception_error("labelSelectOnChange", e);
1266         }
1267 }
1268
1269 function dropbox_replace_options(elem, options) {
1270
1271         try {
1272                 while (elem.hasChildNodes())
1273                         elem.removeChild(elem.firstChild);
1274
1275                 var sel_idx = -1;
1276
1277                 for (var i = 0; i < options.length; i++) {
1278                         var text = options[i].firstChild.nodeValue;
1279                         var value = options[i].getAttribute("value");
1280
1281                         if (value == undefined) value = text;
1282
1283                         var issel = options[i].getAttribute("selected") == "1";
1284
1285                         var option = new Option(text, value, issel);
1286
1287                         if (options[i].getAttribute("disabled"))
1288                                 option.setAttribute("disabled", true);
1289
1290                         elem.insert(option);
1291
1292                         if (issel) sel_idx = i;
1293                 }
1294
1295                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1296                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1297
1298         } catch (e) {
1299                 exception_error("dropbox_replace_options", e);
1300         }
1301 }
1302
1303 // mode = all, none, invert
1304 function selectTableRows(id, mode) {
1305         try {
1306                 var rows = $(id).rows;
1307
1308                 for (var i = 0; i < rows.length; i++) {
1309                         var row = rows[i];
1310                         var cb = false;
1311
1312                         if (row.id && row.className) {
1313                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1314                                 var inputs = rows[i].getElementsByTagName("input");
1315
1316                                 for (var j = 0; j < inputs.length; j++) {
1317                                         var input = inputs[j];
1318
1319                                         if (input.getAttribute("type") == "checkbox" &&
1320                                                         input.id.match(bare_id)) {
1321
1322                                                 cb = input;
1323                                                 break;
1324                                         }
1325                                 }
1326
1327                                 if (cb) {
1328                                         var issel = row.hasClassName("Selected");
1329
1330                                         if (mode == "all" && !issel) {
1331                                                 row.addClassName("Selected");
1332                                                 cb.checked = true;
1333                                         } else if (mode == "none" && issel) {
1334                                                 row.removeClassName("Selected");
1335                                                 cb.checked = false;
1336                                         } else if (mode == "invert") {
1337
1338                                                 if (issel) {
1339                                                         row.removeClassName("Selected");
1340                                                         cb.checked = false;
1341                                                 } else {
1342                                                         row.addClassName("Selected");
1343                                                         cb.checked = true;
1344                                                 }
1345                                         }
1346                                 }
1347                         }
1348                 }
1349
1350         } catch (e) {
1351                 exception_error("selectTableRows", e);
1352
1353         }
1354 }
1355
1356 function getSelectedTableRowIds(id) {
1357         var rows = [];
1358
1359         try {
1360                 var elem_rows = $(id).rows;
1361
1362                 for (var i = 0; i < elem_rows.length; i++) {
1363                         if (elem_rows[i].hasClassName("Selected")) {
1364                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1365                                 rows.push(bare_id);
1366                         }
1367                 }
1368
1369         } catch (e) {
1370                 exception_error("getSelectedTableRowIds", e);
1371         }
1372
1373         return rows;
1374 }
1375
1376 function editFeed(feed, event) {
1377         try {
1378                 if (feed <= 0)
1379                         return alert(__("You can't edit this kind of feed."));
1380
1381                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1382                         param_escape(feed);
1383
1384                 console.log(query);
1385
1386                 if (dijit.byId("feedEditDlg"))
1387                         dijit.byId("feedEditDlg").destroyRecursive();
1388
1389                 dialog = new dijit.Dialog({
1390                         id: "feedEditDlg",
1391                         title: __("Edit Feed"),
1392                         style: "width: 600px",
1393                         execute: function() {
1394                                 if (this.validate()) {
1395 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1396
1397                                         notify_progress("Saving data...", true);
1398
1399                                         new Ajax.Request("backend.php", {
1400                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1401                                                 onComplete: function(transport) {
1402                                                         dialog.hide();
1403                                                         notify('');
1404                                                         updateFeedList();
1405                                         }});
1406                                 }
1407                         },
1408                         href: query});
1409
1410                 dialog.show();
1411
1412         } catch (e) {
1413                 exception_error("editFeed", e);
1414         }
1415 }
1416
1417 function feedBrowser() {
1418         try {
1419                 var query = "backend.php?op=dlg&method=feedBrowser";
1420
1421                 if (dijit.byId("feedAddDlg"))
1422                         dijit.byId("feedAddDlg").hide();
1423
1424                 if (dijit.byId("feedBrowserDlg"))
1425                         dijit.byId("feedBrowserDlg").destroyRecursive();
1426
1427                 var dialog = new dijit.Dialog({
1428                         id: "feedBrowserDlg",
1429                         title: __("More Feeds"),
1430                         style: "width: 600px",
1431                         getSelectedFeedIds: function() {
1432                                 var list = $$("#browseFeedList li[id*=FBROW]");
1433                                 var selected = new Array();
1434
1435                                 list.each(function(child) {
1436                                         var id = child.id.replace("FBROW-", "");
1437
1438                                         if (child.hasClassName('Selected')) {
1439                                                 selected.push(id);
1440                                         }
1441                                 });
1442
1443                                 return selected;
1444                         },
1445                         getSelectedFeeds: function() {
1446                                 var list = $$("#browseFeedList li.Selected");
1447                                 var selected = new Array();
1448
1449                                 list.each(function(child) {
1450                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1451                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1452
1453                                         selected.push([title,url]);
1454
1455                                 });
1456
1457                                 return selected;
1458                         },
1459
1460                         subscribe: function() {
1461                                 var mode = this.attr('value').mode;
1462                                 var selected = [];
1463
1464                                 if (mode == "1")
1465                                         selected = this.getSelectedFeeds();
1466                                 else
1467                                         selected = this.getSelectedFeedIds();
1468
1469                                 if (selected.length > 0) {
1470                                         dijit.byId("feedBrowserDlg").hide();
1471
1472                                         notify_progress("Loading, please wait...", true);
1473
1474                                         // we use dojo.toJson instead of JSON.stringify because
1475                                         // it somehow escapes everything TWICE, at least in Chrome 9
1476
1477                                         var query = "?op=rpc&method=massSubscribe&payload="+
1478                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1479
1480                                         console.log(query);
1481
1482                                         new Ajax.Request("backend.php", {
1483                                                 parameters: query,
1484                                                 onComplete: function(transport) {
1485                                                         notify('');
1486                                                         updateFeedList();
1487                                                 } });
1488
1489                                 } else {
1490                                         alert(__("No feeds are selected."));
1491                                 }
1492
1493                         },
1494                         update: function() {
1495                                 var query = dojo.objectToQuery(dialog.attr('value'));
1496
1497                                 Element.show('feed_browser_spinner');
1498
1499                                 new Ajax.Request("backend.php", {
1500                                         parameters: query,
1501                                         onComplete: function(transport) {
1502                                                 notify('');
1503
1504                                                 Element.hide('feed_browser_spinner');
1505
1506                                                 var c = $("browseFeedList");
1507
1508                                                 var reply = JSON.parse(transport.responseText);
1509
1510                                                 var r = reply['content'];
1511                                                 var mode = reply['mode'];
1512
1513                                                 if (c && r) {
1514                                                         c.innerHTML = r;
1515                                                 }
1516
1517                                                 dojo.parser.parse("browseFeedList");
1518
1519                                                 if (mode == 2) {
1520                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1521                                                 } else {
1522                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1523                                                 }
1524
1525                                         } });
1526                         },
1527                         removeFromArchive: function() {
1528                                 var selected = this.getSelectedFeeds();
1529
1530                                 if (selected.length > 0) {
1531
1532                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1533
1534                                         if (confirm(pr)) {
1535                                                 Element.show('feed_browser_spinner');
1536
1537                                                 var query = "?op=rpc&method=remarchived&ids=" +
1538                                                         param_escape(selected.toString());;
1539
1540                                                 new Ajax.Request("backend.php", {
1541                                                         parameters: query,
1542                                                         onComplete: function(transport) {
1543                                                                 dialog.update();
1544                                                         } });
1545                                         }
1546                                 }
1547                         },
1548                         execute: function() {
1549                                 if (this.validate()) {
1550                                         this.subscribe();
1551                                 }
1552                         },
1553                         href: query});
1554
1555                 dialog.show();
1556
1557         } catch (e) {
1558                 exception_error("editFeed", e);
1559         }
1560 }
1561
1562 function showFeedsWithErrors() {
1563         try {
1564                 var query = "backend.php?op=dlg&method=feedsWithErrors";
1565
1566                 if (dijit.byId("errorFeedsDlg"))
1567                         dijit.byId("errorFeedsDlg").destroyRecursive();
1568
1569                 dialog = new dijit.Dialog({
1570                         id: "errorFeedsDlg",
1571                         title: __("Feeds with update errors"),
1572                         style: "width: 600px",
1573                         getSelectedFeeds: function() {
1574                                 return getSelectedTableRowIds("prefErrorFeedList");
1575                         },
1576                         removeSelected: function() {
1577                                 var sel_rows = this.getSelectedFeeds();
1578
1579                                 console.log(sel_rows);
1580
1581                                 if (sel_rows.length > 0) {
1582                                         var ok = confirm(__("Remove selected feeds?"));
1583
1584                                         if (ok) {
1585                                                 notify_progress("Removing selected feeds...", true);
1586
1587                                                 var query = "?op=pref-feeds&method=remove&ids="+
1588                                                         param_escape(sel_rows.toString());
1589
1590                                                 new Ajax.Request("backend.php", {
1591                                                         parameters: query,
1592                                                         onComplete: function(transport) {
1593                                                                 notify('');
1594                                                                 dialog.hide();
1595                                                                 updateFeedList();
1596                                                         } });
1597                                         }
1598
1599                                 } else {
1600                                         alert(__("No feeds are selected."));
1601                                 }
1602                         },
1603                         execute: function() {
1604                                 if (this.validate()) {
1605                                 }
1606                         },
1607                         href: query});
1608
1609                 dialog.show();
1610
1611         } catch (e) {
1612                 exception_error("showFeedsWithErrors", e);
1613         }
1614
1615 }
1616
1617 /* new support functions for SelectByTag */
1618
1619 function get_all_tags(selObj){
1620         try {
1621                 if( !selObj ) return "";
1622
1623                 var result = "";
1624                 var len = selObj.options.length;
1625
1626                 for (var i=0; i < len; i++){
1627                         if (selObj.options[i].selected) {
1628                                 result += selObj[i].value + "%2C";   // is really a comma
1629                         }
1630                 }
1631
1632                 if (result.length > 0){
1633                         result = result.substr(0, result.length-3);  // remove trailing %2C
1634                 }
1635
1636                 return(result);
1637
1638         } catch (e) {
1639                 exception_error("get_all_tags", e);
1640         }
1641 }
1642
1643 function get_radio_checked(radioObj) {
1644         try {
1645                 if (!radioObj) return "";
1646
1647                 var len = radioObj.length;
1648
1649                 if (len == undefined){
1650                         if(radioObj.checked){
1651                                 return(radioObj.value);
1652                         } else {
1653                                 return("");
1654                         }
1655                 }
1656
1657                 for( var i=0; i < len; i++ ){
1658                         if( radioObj[i].checked ){
1659                                 return( radioObj[i].value);
1660                         }
1661                 }
1662
1663         } catch (e) {
1664                 exception_error("get_radio_checked", e);
1665         }
1666         return("");
1667 }