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 closeErrorBox() {
 398
 399         if (Element.visible("errorBoxShadow")) {
 400                 Element.hide("dialog_overlay");
 401                 Element.hide("errorBoxShadow");
 402         }
 403
 404         return false;
 405 }
 406
 407 function closeInfoBox(cleanup) {
 408         try {
 409                 dialog = dijit.byId("infoBox");
 410
 411                 if (dialog)     dialog.hide();
 412
 413         } catch (e) {
 414                 //exception_error("closeInfoBox", e);
 415         }
 416         return false;
 417 }
 418
 419
 420 function displayDlg(id, param, callback) {
 421
 422         notify_progress("Loading, please wait...", true);
 423
 424         var query = "?op=dlg&id=" +
 425                 param_escape(id) + "&param=" + param_escape(param);
 426
 427         new Ajax.Request("backend.php", {
 428                 parameters: query,
 429                 onComplete: function (transport) {
 430                         infobox_callback2(transport);
 431                         if (callback) callback(transport);
 432                 } });
 433
 434         return false;
 435 }
 436
 437 function infobox_callback2(transport) {
 438         try {
 439                 var dialog = false;
 440
 441                 if (dijit.byId("infoBox")) {
 442                         dialog = dijit.byId("infoBox");
 443                 }
 444
 445                 //console.log("infobox_callback2");
 446                 notify('');
 447
 448                 var content;
 449                 var dtitle = "Dialog";
 450
 451                 var dlg = transport.responseXML.getElementsByTagName("dlg")[0];
 452
 453                 var title = transport.responseXML.getElementsByTagName("title")[0];
 454                 if (title)
 455                         title = title.firstChild.nodeValue;
 456
 457                 var content = transport.responseXML.getElementsByTagName("content")[0];
 458
 459                 content = content.firstChild.nodeValue;
 460
 461                 if (!dialog) {
 462                         dialog = new dijit.Dialog({
 463                                 title: title,
 464                                 id: 'infoBox',
 465                                 style: "width: 600px",
 466                                 onCancel: function() {
 467                                         return true;
 468                                 },
 469                                 onExecute: function() {
 470                                         return true;
 471                                 },
 472                                 onClose: function() {
 473                                         return true;
 474                                         },
 475                                 content: content});
 476                 } else {
 477                         dialog.attr('title', title);
 478                         dialog.attr('content', content);
 479                 }
 480
 481                 dialog.show();
 482
 483                 notify("");
 484         } catch (e) {
 485                 exception_error("infobox_callback2", e);
 486         }
 487 }
 488
 489 function filterCR(e, f)
 490 {
 491      var key;
 492
 493      if(window.event)
 494           key = window.event.keyCode;     //IE
 495      else
 496           key = e.which;     //firefox
 497
 498         if (key == 13) {
 499                 if (typeof f != 'undefined') {
 500                         f();
 501                         return false;
 502                 } else {
 503                         return false;
 504                 }
 505         } else {
 506                 return true;
 507         }
 508 }
 509
 510 function getInitParam(key) {
 511         return init_params[key];
 512 }
 513
 514 function setInitParam(key, value) {
 515         init_params[key] = value;
 516 }
 517
 518 function fatalError(code, msg, ext_info) {
 519         try {
 520
 521                 if (code == 6) {
 522                         window.location.href = "tt-rss.php";
 523                 } else if (code == 5) {
 524                         window.location.href = "db-updater.php";
 525                 } else {
 526
 527                         if (msg == "") msg = "Unknown error";
 528
 529                         if (ext_info) {
 530                                 if (ext_info.responseText) {
 531                                         ext_info = ext_info.responseText;
 532                                 }
 533                         }
 534
 535                         if (ERRORS && ERRORS[code] && !msg) {
 536                                 msg = ERRORS[code];
 537                         }
 538
 539                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 540                                 "<p>" + msg + "</p>";
 541
 542                         if (ext_info) {
 543                                 content = content + "<div><b>Additional information:</b></div>" +
 544                                         "<textarea style='width: 100%' readonly=\"1\">" +
 545                                         ext_info + "</textarea>";
 546                         }
 547
 548                         var dialog = new dijit.Dialog({
 549                                 title: "Fatal error",
 550                                 style: "width: 600px",
 551                                 content: content});
 552
 553                         dialog.show();
 554
 555                 }
 556
 557                 return false;
 558
 559         } catch (e) {
 560                 exception_error("fatalError", e);
 561         }
 562 }
 563
 564 function filterDlgCheckType(sender) {
 565
 566         try {
 567
 568                 var ftype = sender.value;
 569
 570                 // if selected filter type is 5 (Date) enable the modifier dropbox
 571                 if (ftype == 5) {
 572                         Element.show("filterDlg_dateModBox");
 573                         Element.show("filterDlg_dateChkBox");
 574                 } else {
 575                         Element.hide("filterDlg_dateModBox");
 576                         Element.hide("filterDlg_dateChkBox");
 577
 578                 }
 579
 580         } catch (e) {
 581                 exception_error("filterDlgCheckType", e);
 582         }
 583
 584 }
 585
 586 function filterDlgCheckAction(sender) {
 587
 588         try {
 589
 590                 var action = sender.value;
 591
 592                 var action_param = $("filterDlg_paramBox");
 593
 594                 if (!action_param) {
 595                         console.log("filterDlgCheckAction: can't find action param box!");
 596                         return;
 597                 }
 598
 599                 // if selected action supports parameters, enable params field
 600                 if (action == 4 || action == 6 || action == 7) {
 601                         new Effect.Appear(action_param, {duration : 0.5});
 602                         if (action != 7) {
 603                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 604                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 605                         } else {
 606                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 607                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 608                         }
 609                 } else {
 610                         Element.hide(action_param);
 611                 }
 612
 613         } catch (e) {
 614                 exception_error("filterDlgCheckAction", e);
 615         }
 616
 617 }
 618
 619 function filterDlgCheckDate() {
 620         try {
 621                 var dialog = dijit.byId("filterEditDlg");
 622
 623                 var reg_exp = dialog.attr('value').reg_exp;
 624
 625                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 626
 627                 new Ajax.Request("backend.php", {
 628                         parameters: query,
 629                         onComplete: function(transport) {
 630
 631                                 var reply = JSON.parse(transport.responseText);
 632
 633                                 if (reply['result'] == true) {
 634                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 635                                         return;
 636                                 } else {
 637                                         alert(__("Date syntax is incorrect."));
 638                                 }
 639
 640                         } });
 641
 642
 643         } catch (e) {
 644                 exception_error("filterDlgCheckDate", e);
 645         }
 646 }
 647
 648 function explainError(code) {
 649         return displayDlg("explainError", code);
 650 }
 651
 652 function displayHelpInfobox(topic_id) {
 653
 654         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 655
 656         var w = window.open(url, "ttrss_help",
 657                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 658
 659 }
 660
 661 function loading_set_progress(p) {
 662         try {
 663                 loading_progress += p;
 664
 665                 if (dijit.byId("loading_bar"))
 666                         dijit.byId("loading_bar").update({progress: loading_progress});
 667
 668                 if (loading_progress >= 90)
 669                         remove_splash();
 670
 671         } catch (e) {
 672                 exception_error("loading_set_progress", e);
 673         }
 674 }
 675
 676 function remove_splash() {
 677
 678         if (Element.visible("overlay")) {
 679                 console.log("about to remove splash, OMG!");
 680                 Element.hide("overlay");
 681                 console.log("removed splash!");
 682         }
 683 }
 684
 685 function transport_error_check(transport) {
 686         try {
 687                 if (transport.responseXML) {
 688                         var error = transport.responseXML.getElementsByTagName("error")[0];
 689
 690                         if (error) {
 691                                 var code = error.getAttribute("error-code");
 692                                 var msg = error.getAttribute("error-msg");
 693                                 if (code != 0) {
 694                                         fatalError(code, msg);
 695                                         return false;
 696                                 }
 697                         }
 698                 }
 699         } catch (e) {
 700                 exception_error("check_for_error_xml", e);
 701         }
 702         return true;
 703 }
 704
 705 function strip_tags(s) {
 706         return s.replace(/<\/?[^>]+(>|$)/g, "");
 707 }
 708
 709 function truncate_string(s, length) {
 710         if (!length) length = 30;
 711         var tmp = s.substring(0, length);
 712         if (s.length > length) tmp += "&hellip;";
 713         return tmp;
 714 }
 715
 716 function hotkey_prefix_timeout() {
 717         try {
 718
 719                 var date = new Date();
 720                 var ts = Math.round(date.getTime() / 1000);
 721
 722                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 723                         console.log("hotkey_prefix seems to be stuck, aborting");
 724                         hotkey_prefix_pressed = false;
 725                         hotkey_prefix = false;
 726                         Element.hide('cmdline');
 727                 }
 728
 729                 setTimeout("hotkey_prefix_timeout()", 1000);
 730
 731         } catch  (e) {
 732                 exception_error("hotkey_prefix_timeout", e);
 733         }
 734 }
 735
 736 function hideAuxDlg() {
 737         try {
 738                 Element.hide('auxDlg');
 739         } catch (e) {
 740                 exception_error("hideAuxDlg", e);
 741         }
 742 }
 743
 744
 745 function uploadIconHandler(rc) {
 746         try {
 747                 switch (rc) {
 748                         case 0:
 749                                 notify_info("Upload complete.");
 750                                 if (inPreferences()) {
 751                                         updateFeedList();
 752                                 } else {
 753                                         setTimeout('updateFeedList(false, false)', 50);
 754                                 }
 755                                 break;
 756                         case 1:
 757                                 notify_error("Upload failed: icon is too big.");
 758                                 break;
 759                         case 2:
 760                                 notify_error("Upload failed.");
 761                                 break;
 762                 }
 763
 764         } catch (e) {
 765                 exception_error("uploadIconHandler", e);
 766         }
 767 }
 768
 769 function removeFeedIcon(id) {
 770
 771         try {
 772
 773                 if (confirm(__("Remove stored feed icon?"))) {
 774                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 775
 776                         console.log(query);
 777
 778                         notify_progress("Removing feed icon...", true);
 779
 780                         new Ajax.Request("backend.php", {
 781                                 parameters: query,
 782                                 onComplete: function(transport) {
 783                                         notify_info("Feed icon removed.");
 784                                         if (inPreferences()) {
 785                                                 updateFeedList();
 786                                         } else {
 787                                                 setTimeout('updateFeedList(false, false)', 50);
 788                                         }
 789                                 } });
 790                 }
 791
 792                 return false;
 793         } catch (e) {
 794                 exception_error("uploadFeedIcon", e);
 795         }
 796 }
 797
 798 function uploadFeedIcon() {
 799
 800         try {
 801
 802                 var file = $("icon_file");
 803
 804                 if (file.value.length == 0) {
 805                         alert(__("Please select an image file to upload."));
 806                 } else {
 807                         if (confirm(__("Upload new icon for this feed?"))) {
 808                                 notify_progress("Uploading, please wait...", true);
 809                                 return true;
 810                         }
 811                 }
 812
 813                 return false;
 814
 815         } catch (e) {
 816                 exception_error("uploadFeedIcon", e);
 817         }
 818 }
 819
 820 function addLabel(select, callback) {
 821
 822         try {
 823
 824                 var caption = prompt(__("Please enter label caption:"), "");
 825
 826                 if (caption != undefined) {
 827
 828                         if (caption == "") {
 829                                 alert(__("Can't create label: missing caption."));
 830                                 return false;
 831                         }
 832
 833                         var query = "?op=pref-labels&subop=add&caption=" +
 834                                 param_escape(caption);
 835
 836                         if (select)
 837                                 query += "&output=select";
 838
 839                         notify_progress("Loading, please wait...", true);
 840
 841                         if (inPreferences() && !select) active_tab = "labelConfig";
 842
 843                         new Ajax.Request("backend.php", {
 844                                 parameters: query,
 845                                 onComplete: function(transport) {
 846                                         if (callback) {
 847                                                 callback(transport);
 848                                         } else if (inPreferences()) {
 849                                                 updateLabelList();
 850                                         } else {
 851                                                 updateFeedList();
 852                                         }
 853                         } });
 854
 855                 }
 856
 857         } catch (e) {
 858                 exception_error("addLabel", e);
 859         }
 860 }
 861
 862 function quickAddFeed() {
 863         try {
 864                 var query = "backend.php?op=dlg&id=quickAddFeed";
 865
 866                 if (dijit.byId("feedAddDlg"))
 867                         dijit.byId("feedAddDlg").destroyRecursive();
 868
 869                 var dialog = new dijit.Dialog({
 870                         id: "feedAddDlg",
 871                         title: __("Subscribe to Feed"),
 872                         style: "width: 600px",
 873                         execute: function() {
 874                                 if (this.validate()) {
 875                                         console.log(dojo.objectToQuery(this.attr('value')));
 876
 877                                         var feed_url = this.attr('value').feed;
 878
 879                                         notify_progress(__("Subscribing to feed..."), true);
 880
 881                                         new Ajax.Request("backend.php", {
 882                                                 parameters: dojo.objectToQuery(this.attr('value')),
 883                                                 onComplete: function(transport) {
 884                                                         try {
 885
 886                                                                 var reply = JSON.parse(transport.responseText);
 887
 888                                                                 var rc = parseInt(reply['result']);
 889
 890                                                                 notify('');
 891
 892                                                                 console.log("GOT RC: " + rc);
 893
 894                                                                 switch (rc) {
 895                                                                 case 1:
 896                                                                         dialog.hide();
 897                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 898
 899                                                                         updateFeedList();
 900                                                                         break;
 901                                                                 case 2:
 902                                                                         alert(__("Specified URL seems to be invalid."));
 903                                                                         break;
 904                                                                 case 3:
 905                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 906                                                                         break;
 907                                                                 case 4:
 908                                                                         notify_progress("Searching for feed urls...", true);
 909
 910                                                                         new Ajax.Request("backend.php", {
 911                                                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
 912                                                                                 onComplete: function(transport, dialog, feed_url) {
 913
 914                                                                                         notify('');
 915
 916                                                                                         var reply = JSON.parse(transport.responseText);
 917
 918                                                                                         var feeds = reply['urls'];
 919
 920                                                                                         console.log(transport.responseText);
 921
 922                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 923
 924                                                                                         while (select.getOptions().length > 0)
 925                                                                                                 select.removeOption(0);
 926
 927                                                                                         var count = 0;
 928                                                                                         for (var feedUrl in feeds) {
 929                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 930                                                                                                 count++;
 931                                                                                         }
 932
 933 //                                                                                      if (count > 5) count = 5;
 934 //                                                                                      select.size = count;
 935
 936                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 937                                                                                 }
 938                                                                         });
 939                                                                         break;
 940                                                                 case 5:
 941                                                                         alert(__("Couldn't download the specified URL."));
 942                                                                         break;
 943                                                                 case 0:
 944                                                                         alert(__("You are already subscribed to this feed."));
 945                                                                         break;
 946                                                                 }
 947
 948                                                         } catch (e) {
 949                                                                 exception_error("subscribeToFeed", e, transport);
 950                                                         }
 951
 952                                                 } });
 953
 954                                         }
 955                         },
 956                         href: query});
 957
 958                 dialog.show();
 959         } catch (e) {
 960                 exception_error("quickAddFeed", e);
 961         }
 962 }
 963
 964 function quickAddFilter() {
 965         try {
 966                 var query = "backend.php?op=dlg&id=quickAddFilter";
 967
 968                 if (dijit.byId("filterEditDlg"))
 969                         dijit.byId("filterEditDlg").destroyRecursive();
 970
 971                 dialog = new dijit.Dialog({
 972                         id: "filterEditDlg",
 973                         title: __("Create Filter"),
 974                         style: "width: 600px",
 975                         test: function() {
 976                                 if (this.validate()) {
 977
 978                                         if (dijit.byId("filterTestDlg"))
 979                                                 dijit.byId("filterTestDlg").destroyRecursive();
 980
 981                                         tdialog = new dijit.Dialog({
 982                                                 id: "filterTestDlg",
 983                                                 title: __("Filter Test Results"),
 984                                                 style: "width: 600px",
 985                                                 href: "backend.php?savemode=test&" +
 986                                                         dojo.objectToQuery(dialog.attr('value')),
 987                                                 });
 988
 989                                         tdialog.show();
 990
 991                                 }
 992                         },
 993                         execute: function() {
 994                                 if (this.validate()) {
 995
 996                                         var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
 997                                                 param_escape(dialog.attr('value').reg_exp);
 998
 999                                         notify_progress("Verifying regular expression...");
1000
1001                                         new Ajax.Request("backend.php", {
1002                                                 parameters: query,
1003                                                 onComplete: function(transport) {
1004                                                         var reply = JSON.parse(transport.responseText);
1005
1006                                                         if (reply) {
1007                                                                 notify('');
1008
1009                                                                 if (!reply['status']) {
1010                                                                         alert("Match regular expression seems to be invalid.");
1011                                                                         return;
1012                                                                 } else {
1013                                                                         notify_progress("Saving data...", true);
1014
1015                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
1016
1017                                                                         new Ajax.Request("backend.php", {
1018                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1019                                                                                 onComplete: function(transport) {
1020                                                                                         dialog.hide();
1021                                                                                         notify_info(transport.responseText);
1022                                                                                         if (inPreferences()) {
1023                                                                                                 updateFilterList();
1024                                                                                         }
1025                                                                         }})
1026                                                                 }
1027                                                         }
1028                                         }});
1029                                 }
1030                         },
1031                         href: query});
1032
1033                 dialog.show();
1034         } catch (e) {
1035                 exception_error("quickAddFilter", e);
1036         }
1037 }
1038
1039 function resetPubSub(feed_id, title) {
1040
1041         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1042
1043         if (title == undefined || confirm(msg)) {
1044                 notify_progress("Loading, please wait...");
1045
1046                 var query = "?op=pref-feeds&quiet=1&subop=resetPubSub&ids=" + feed_id;
1047
1048                 new Ajax.Request("backend.php", {
1049                         parameters: query,
1050                         onComplete: function(transport) {
1051                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1052                                 notify_info("Subscription reset.");
1053                         } });
1054         }
1055
1056         return false;
1057 }
1058
1059
1060 function unsubscribeFeed(feed_id, title) {
1061
1062         var msg = __("Unsubscribe from %s?").replace("%s", title);
1063
1064         if (title == undefined || confirm(msg)) {
1065                 notify_progress("Removing feed...");
1066
1067                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1068
1069                 new Ajax.Request("backend.php", {
1070                         parameters: query,
1071                         onComplete: function(transport) {
1072
1073                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1074
1075                                         if (inPreferences()) {
1076                                                 updateFeedList();
1077                                         } else {
1078                                                 if (feed_id == getActiveFeedId())
1079                                                         setTimeout("viewfeed(-5)", 100);
1080                                         }
1081
1082                                 } });
1083         }
1084
1085         return false;
1086 }
1087
1088
1089 function backend_sanity_check_callback(transport) {
1090
1091         try {
1092
1093                 if (sanity_check_done) {
1094                         fatalError(11, "Sanity check request received twice. This can indicate "+
1095                       "presence of Firebug or some other disrupting extension. "+
1096                                 "Please disable it and try again.");
1097                         return;
1098                 }
1099
1100                 var reply = JSON.parse(transport.responseText);
1101
1102                 if (!reply) {
1103                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1104                         return;
1105                 }
1106
1107                 var error_code = reply['error']['code'];
1108
1109                 if (error_code && error_code != 0) {
1110                         return fatalError(error_code, reply['error']['message']);
1111                 }
1112
1113                 console.log("sanity check ok");
1114
1115                 var params = reply['init-params'];
1116
1117                 if (params) {
1118                         console.log('reading init-params...');
1119
1120                         if (params) {
1121                                 for (k in params) {
1122                                         var v = params[k];
1123                                         console.log("IP: " + k + " => " + v);
1124                                 }
1125                         }
1126
1127                         init_params = params;
1128                 }
1129
1130                 sanity_check_done = true;
1131
1132                 init_second_stage();
1133
1134         } catch (e) {
1135                 exception_error("backend_sanity_check_callback", e, transport);
1136         }
1137 }
1138
1139 /*function has_local_storage() {
1140         try {
1141                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1142         } catch (e) {
1143                 return false;
1144         }
1145 } */
1146
1147 function catSelectOnChange(elem) {
1148         try {
1149 /*              var value = elem[elem.selectedIndex].value;
1150                 var def = elem.getAttribute('default');
1151
1152                 if (value == "ADD_CAT") {
1153
1154                         if (def)
1155                                 dropboxSelect(elem, def);
1156                         else
1157                                 elem.selectedIndex = 0;
1158
1159                         quickAddCat(elem);
1160                 } */
1161
1162         } catch (e) {
1163                 exception_error("catSelectOnChange", e);
1164         }
1165 }
1166
1167 function quickAddCat(elem) {
1168         try {
1169                 var cat = prompt(__("Please enter category title:"));
1170
1171                 if (cat) {
1172
1173                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1174
1175                         notify_progress("Loading, please wait...", true);
1176
1177                         new Ajax.Request("backend.php", {
1178                                 parameters: query,
1179                                 onComplete: function (transport) {
1180                                         var response = transport.responseXML;
1181                                         var select = response.getElementsByTagName("select")[0];
1182                                         var options = select.getElementsByTagName("option");
1183
1184                                         dropbox_replace_options(elem, options);
1185
1186                                         notify('');
1187
1188                         } });
1189
1190                 }
1191
1192         } catch (e) {
1193                 exception_error("quickAddCat", e);
1194         }
1195 }
1196
1197 function genUrlChangeKey(feed, is_cat) {
1198
1199         try {
1200                 var ok = confirm(__("Generate new syndication address for this feed?"));
1201
1202                 if (ok) {
1203
1204                         notify_progress("Trying to change address...", true);
1205
1206                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1207                                 "&is_cat=" + param_escape(is_cat);
1208
1209                         new Ajax.Request("backend.php", {
1210                                 parameters: query,
1211                                 onComplete: function(transport) {
1212                                                 var reply = JSON.parse(transport.responseText);
1213                                                 var new_link = reply.link;
1214
1215                                                 var e = $('gen_feed_url');
1216
1217                                                 if (new_link) {
1218
1219                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1220                                                                 "&amp;key=" + new_link);
1221
1222                                                         e.href = e.href.replace(/\&key=.*$/,
1223                                                                 "&key=" + new_link);
1224
1225                                                         new Effect.Highlight(e);
1226
1227                                                         notify('');
1228
1229                                                 } else {
1230                                                         notify_error("Could not change feed URL.");
1231                                                 }
1232                                 } });
1233                 }
1234         } catch (e) {
1235                 exception_error("genUrlChangeKey", e);
1236         }
1237         return false;
1238 }
1239
1240 function labelSelectOnChange(elem) {
1241         try {
1242 /*              var value = elem[elem.selectedIndex].value;
1243                 var def = elem.getAttribute('default');
1244
1245                 if (value == "ADD_LABEL") {
1246
1247                         if (def)
1248                                 dropboxSelect(elem, def);
1249                         else
1250                                 elem.selectedIndex = 0;
1251
1252                         addLabel(elem, function(transport) {
1253
1254                                         try {
1255
1256                                                 var response = transport.responseXML;
1257                                                 var select = response.getElementsByTagName("select")[0];
1258                                                 var options = select.getElementsByTagName("option");
1259
1260                                                 dropbox_replace_options(elem, options);
1261
1262                                                 notify('');
1263                                         } catch (e) {
1264                                                 exception_error("addLabel", e);
1265                                         }
1266                         });
1267                 } */
1268
1269         } catch (e) {
1270                 exception_error("labelSelectOnChange", e);
1271         }
1272 }
1273
1274 function dropbox_replace_options(elem, options) {
1275
1276         try {
1277                 while (elem.hasChildNodes())
1278                         elem.removeChild(elem.firstChild);
1279
1280                 var sel_idx = -1;
1281
1282                 for (var i = 0; i < options.length; i++) {
1283                         var text = options[i].firstChild.nodeValue;
1284                         var value = options[i].getAttribute("value");
1285
1286                         if (value == undefined) value = text;
1287
1288                         var issel = options[i].getAttribute("selected") == "1";
1289
1290                         var option = new Option(text, value, issel);
1291
1292                         if (options[i].getAttribute("disabled"))
1293                                 option.setAttribute("disabled", true);
1294
1295                         elem.insert(option);
1296
1297                         if (issel) sel_idx = i;
1298                 }
1299
1300                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1301                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1302
1303         } catch (e) {
1304                 exception_error("dropbox_replace_options", e);
1305         }
1306 }
1307
1308 // mode = all, none, invert
1309 function selectTableRows(id, mode) {
1310         try {
1311                 var rows = $(id).rows;
1312
1313                 for (var i = 0; i < rows.length; i++) {
1314                         var row = rows[i];
1315                         var cb = false;
1316
1317                         if (row.id && row.className) {
1318                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1319                                 var inputs = rows[i].getElementsByTagName("input");
1320
1321                                 for (var j = 0; j < inputs.length; j++) {
1322                                         var input = inputs[j];
1323
1324                                         if (input.getAttribute("type") == "checkbox" &&
1325                                                         input.id.match(bare_id)) {
1326
1327                                                 cb = input;
1328                                                 break;
1329                                         }
1330                                 }
1331
1332                                 if (cb) {
1333                                         var issel = row.hasClassName("Selected");
1334
1335                                         if (mode == "all" && !issel) {
1336                                                 row.addClassName("Selected");
1337                                                 cb.checked = true;
1338                                         } else if (mode == "none" && issel) {
1339                                                 row.removeClassName("Selected");
1340                                                 cb.checked = false;
1341                                         } else if (mode == "invert") {
1342
1343                                                 if (issel) {
1344                                                         row.removeClassName("Selected");
1345                                                         cb.checked = false;
1346                                                 } else {
1347                                                         row.addClassName("Selected");
1348                                                         cb.checked = true;
1349                                                 }
1350                                         }
1351                                 }
1352                         }
1353                 }
1354
1355         } catch (e) {
1356                 exception_error("selectTableRows", e);
1357
1358         }
1359 }
1360
1361 function getSelectedTableRowIds(id) {
1362         var rows = [];
1363
1364         try {
1365                 var elem_rows = $(id).rows;
1366
1367                 for (i = 0; i < elem_rows.length; i++) {
1368                         if (elem_rows[i].hasClassName("Selected")) {
1369                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1370                                 rows.push(bare_id);
1371                         }
1372                 }
1373
1374         } catch (e) {
1375                 exception_error("getSelectedTableRowIds", e);
1376         }
1377
1378         return rows;
1379 }
1380
1381 function editFeed(feed, event) {
1382         try {
1383                 if (feed <= 0)
1384                         return alert(__("You can't edit this kind of feed."));
1385
1386                 var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
1387                         param_escape(feed);
1388
1389                 console.log(query);
1390
1391                 if (dijit.byId("feedEditDlg"))
1392                         dijit.byId("feedEditDlg").destroyRecursive();
1393
1394                 dialog = new dijit.Dialog({
1395                         id: "feedEditDlg",
1396                         title: __("Edit Feed"),
1397                         style: "width: 600px",
1398                         execute: function() {
1399                                 if (this.validate()) {
1400 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1401
1402                                         notify_progress("Saving data...", true);
1403
1404                                         new Ajax.Request("backend.php", {
1405                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1406                                                 onComplete: function(transport) {
1407                                                         dialog.hide();
1408                                                         notify('');
1409                                                         updateFeedList();
1410                                         }})
1411                                 }
1412                         },
1413                         href: query});
1414
1415                 dialog.show();
1416
1417         } catch (e) {
1418                 exception_error("editFeed", e);
1419         }
1420 }
1421
1422 function feedBrowser() {
1423         try {
1424                 var query = "backend.php?op=dlg&id=feedBrowser";
1425
1426                 if (dijit.byId("feedAddDlg"))
1427                         dijit.byId("feedAddDlg").hide();
1428
1429                 if (dijit.byId("feedBrowserDlg"))
1430                         dijit.byId("feedBrowserDlg").destroyRecursive();
1431
1432                 var dialog = new dijit.Dialog({
1433                         id: "feedBrowserDlg",
1434                         title: __("More Feeds"),
1435                         style: "width: 600px",
1436                         getSelectedFeedIds: function() {
1437                                 var list = $$("#browseFeedList li[id*=FBROW]");
1438                                 var selected = new Array();
1439
1440                                 list.each(function(child) {
1441                                         var id = child.id.replace("FBROW-", "");
1442
1443                                         if (child.hasClassName('Selected')) {
1444                                                 selected.push(id);
1445                                         }
1446                                 });
1447
1448                                 return selected;
1449                         },
1450                         getSelectedFeeds: function() {
1451                                 var list = $$("#browseFeedList li.Selected");
1452                                 var selected = new Array();
1453
1454                                 list.each(function(child) {
1455                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1456                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1457
1458                                         selected.push([title,url]);
1459
1460                                 });
1461
1462                                 return selected;
1463                         },
1464
1465                         subscribe: function() {
1466                                 var mode = this.attr('value').mode;
1467                                 var selected = [];
1468
1469                                 if (mode == "1")
1470                                         selected = this.getSelectedFeeds();
1471                                 else
1472                                         selected = this.getSelectedFeedIds();
1473
1474                                 if (selected.length > 0) {
1475                                         dijit.byId("feedBrowserDlg").hide();
1476
1477                                         notify_progress("Loading, please wait...", true);
1478
1479                                         // we use dojo.toJson instead of JSON.stringify because
1480                                         // it somehow escapes everything TWICE, at least in Chrome 9
1481
1482                                         var query = "?op=rpc&subop=massSubscribe&payload="+
1483                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1484
1485                                         console.log(query);
1486
1487                                         new Ajax.Request("backend.php", {
1488                                                 parameters: query,
1489                                                 onComplete: function(transport) {
1490                                                         notify('');
1491                                                         updateFeedList();
1492                                                 } });
1493
1494                                 } else {
1495                                         alert(__("No feeds are selected."));
1496                                 }
1497
1498                         },
1499                         update: function() {
1500                                 var query = dojo.objectToQuery(dialog.attr('value'));
1501
1502                                 Element.show('feed_browser_spinner');
1503
1504                                 new Ajax.Request("backend.php", {
1505                                         parameters: query,
1506                                         onComplete: function(transport) {
1507                                                 notify('');
1508
1509                                                 Element.hide('feed_browser_spinner');
1510
1511                                                 var c = $("browseFeedList");
1512
1513                                                 var reply = JSON.parse(transport.responseText);
1514
1515                                                 var r = reply['content'];
1516                                                 var mode = reply['mode'];
1517
1518                                                 if (c && r) {
1519                                                         c.innerHTML = r;
1520                                                 }
1521
1522                                                 dojo.parser.parse("browseFeedList");
1523
1524                                                 if (mode == 2) {
1525                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1526                                                 } else {
1527                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1528                                                 }
1529
1530                                         } });
1531                         },
1532                         removeFromArchive: function() {
1533                                 var selected = this.getSelectedFeeds();
1534
1535                                 if (selected.length > 0) {
1536
1537                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1538
1539                                         if (confirm(pr)) {
1540                                                 Element.show('feed_browser_spinner');
1541
1542                                                 var query = "?op=rpc&subop=remarchived&ids=" +
1543                                                         param_escape(selected.toString());;
1544
1545                                                 new Ajax.Request("backend.php", {
1546                                                         parameters: query,
1547                                                         onComplete: function(transport) {
1548                                                                 dialog.update();
1549                                                         } });
1550                                         }
1551                                 }
1552                         },
1553                         execute: function() {
1554                                 if (this.validate()) {
1555                                         this.subscribe();
1556                                 }
1557                         },
1558                         href: query});
1559
1560                 dialog.show();
1561
1562         } catch (e) {
1563                 exception_error("editFeed", e);
1564         }
1565 }
1566
1567 function showFeedsWithErrors() {
1568         try {
1569                 var query = "backend.php?op=dlg&id=feedsWithErrors";
1570
1571                 if (dijit.byId("errorFeedsDlg"))
1572                         dijit.byId("errorFeedsDlg").destroyRecursive();
1573
1574                 dialog = new dijit.Dialog({
1575                         id: "errorFeedsDlg",
1576                         title: __("Feeds with update errors"),
1577                         style: "width: 600px",
1578                         getSelectedFeeds: function() {
1579                                 return getSelectedTableRowIds("prefErrorFeedList");
1580                         },
1581                         removeSelected: function() {
1582                                 var sel_rows = this.getSelectedFeeds();
1583
1584                                 console.log(sel_rows);
1585
1586                                 if (sel_rows.length > 0) {
1587                                         var ok = confirm(__("Remove selected feeds?"));
1588
1589                                         if (ok) {
1590                                                 notify_progress("Removing selected feeds...", true);
1591
1592                                                 var query = "?op=pref-feeds&subop=remove&ids="+
1593                                                         param_escape(sel_rows.toString());
1594
1595                                                 new Ajax.Request("backend.php", {
1596                                                         parameters: query,
1597                                                         onComplete: function(transport) {
1598                                                                 notify('');
1599                                                                 dialog.hide();
1600                                                                 updateFeedList();
1601                                                         } });
1602                                         }
1603
1604                                 } else {
1605                                         alert(__("No feeds are selected."));
1606                                 }
1607                         },
1608                         execute: function() {
1609                                 if (this.validate()) {
1610                                 }
1611                         },
1612                         href: query});
1613
1614                 dialog.show();
1615
1616         } catch (e) {
1617                 exception_error("showFeedsWithErrors", e);
1618         }
1619
1620 }
1621
1622 /* new support functions for SelectByTag */
1623
1624 function get_all_tags(selObj){
1625         try {
1626                 if( !selObj ) return "";
1627
1628                 var result = "";
1629                 var len = selObj.options.length;
1630
1631                 for (var i=0; i < len; i++){
1632                         if (selObj.options[i].selected) {
1633                                 result += selObj[i].value + "%2C";   // is really a comma
1634                         }
1635                 }
1636
1637                 if (result.length > 0){
1638                         result = result.substr(0, result.length-3);  // remove trailing %2C
1639                 }
1640
1641                 return(result);
1642
1643         } catch (e) {
1644                 exception_error("get_all_tags", e);
1645         }
1646 }
1647
1648 function get_radio_checked(radioObj) {
1649         try {
1650                 if (!radioObj) return "";
1651
1652                 var len = radioObj.length;
1653
1654                 if (len == undefined){
1655                         if(radioObj.checked){
1656                                 return(radioObj.value);
1657                         } else {
1658                                 return("");
1659                         }
1660                 }
1661
1662                 for( var i=0; i < len; i++ ){
1663                         if( radioObj[i].checked ){
1664                                 return( radioObj[i].value);
1665                         }
1666                 }
1667
1668         } catch (e) {
1669                 exception_error("get_radio_checked", e);
1670         }
1671         return("");
1672 }