skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6 var webkit_match = clientPC.match(/applewebkit\/(\d+)/);
   7 if (webkit_match) {
   8         var is_safari = clientPC.indexOf('applewebkit') != -1 &&
   9                 clientPC.indexOf('spoofer') == -1;
  10         var is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  11         var webkit_version = parseInt(webkit_match[1]);
  12 }
  13 var is_khtml = navigator.vendor == 'KDE' ||
  14         ( document.childNodes && !document.all && !navigator.taintEnabled );
  15 // For accesskeys; note that FF3+ is included here!
  16 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  17 // These aren't used here, but some custom scripts rely on them
  18 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  19 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  20 if (clientPC.indexOf('opera') != -1) {
  21         var is_opera = true;
  22         var is_opera_preseven = window.opera && !document.childNodes;
  23         var is_opera_seven = window.opera && document.childNodes;
  24         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  25 }
  26
  27 // Global external objects used by this script.
  28 /*extern ta, stylepath, skin */
  29
  30 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  31 var doneOnloadHook;
  32
  33 if (!window.onloadFuncts) {
  34         var onloadFuncts = [];
  35 }
  36
  37 function addOnloadHook(hookFunct) {
  38         // Allows add-on scripts to add onload functions
  39         if(!doneOnloadHook) {
  40                 onloadFuncts[onloadFuncts.length] = hookFunct;
  41         } else {
  42                 hookFunct();  // bug in MSIE script loading
  43         }
  44 }
  45
  46 function hookEvent(hookName, hookFunct) {
  47         addHandler(window, hookName, hookFunct);
  48 }
  49
  50 function importScript(page) {
  51         return importScriptURI(wgScript + '?action=raw&ctype=text/javascript&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  52 }
  53
  54 var loadedScripts = {}; // included-scripts tracker
  55 function importScriptURI(url) {
  56         if (loadedScripts[url]) {
  57                 return null;
  58         }
  59         loadedScripts[url] = true;
  60         var s = document.createElement('script');
  61         s.setAttribute('src',url);
  62         s.setAttribute('type','text/javascript');
  63         document.getElementsByTagName('head')[0].appendChild(s);
  64         return s;
  65 }
  66
  67 function importStylesheet(page) {
  68         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  69 }
  70
  71 function importStylesheetURI(url) {
  72         return document.createStyleSheet ? document.createStyleSheet(url) : appendCSS('@import "' + url + '";');
  73 }
  74
  75 function appendCSS(text) {
  76         var s = document.createElement('style');
  77         s.type = 'text/css';
  78         s.rel = 'stylesheet';
  79         if (s.styleSheet) s.styleSheet.cssText = text //IE
  80         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  81         document.getElementsByTagName('head')[0].appendChild(s);
  82         return s;
  83 }
  84
  85 // special stylesheet links
  86 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  87         if (is_opera_preseven) {
  88                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
  89         } else if (is_opera_seven && !is_opera_95) {
  90                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
  91         } else if (is_khtml) {
  92                 importStylesheetURI(stylepath+'/'+skin+'/KHTMLFixes.css');
  93         }
  94 }
  95
  96 if (wgBreakFrames) {
  97         // Un-trap us from framesets
  98         if (window.top != window) {
  99                 window.top.location = window.location;
 100         }
 101 }
 102
 103 function showTocToggle() {
 104         if (document.createTextNode) {
 105                 // Uses DOM calls to avoid document.write + XHTML issues
 106
 107                 var linkHolder = document.getElementById('toctitle');
 108                 if (!linkHolder) {
 109                         return;
 110                 }
 111
 112                 var outerSpan = document.createElement('span');
 113                 outerSpan.className = 'toctoggle';
 114
 115                 var toggleLink = document.createElement('a');
 116                 toggleLink.id = 'togglelink';
 117                 toggleLink.className = 'internal';
 118                 toggleLink.href = 'javascript:toggleToc()';
 119                 toggleLink.appendChild(document.createTextNode(tocHideText));
 120
 121                 outerSpan.appendChild(document.createTextNode('['));
 122                 outerSpan.appendChild(toggleLink);
 123                 outerSpan.appendChild(document.createTextNode(']'));
 124
 125                 linkHolder.appendChild(document.createTextNode(' '));
 126                 linkHolder.appendChild(outerSpan);
 127
 128                 var cookiePos = document.cookie.indexOf("hidetoc=");
 129                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 130                         toggleToc();
 131                 }
 132         }
 133 }
 134
 135 function changeText(el, newText) {
 136         // Safari work around
 137         if (el.innerText) {
 138                 el.innerText = newText;
 139         } else if (el.firstChild && el.firstChild.nodeValue) {
 140                 el.firstChild.nodeValue = newText;
 141         }
 142 }
 143
 144 function toggleToc() {
 145         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 146         var toggleLink = document.getElementById('togglelink');
 147
 148         if (toc && toggleLink && toc.style.display == 'none') {
 149                 changeText(toggleLink, tocHideText);
 150                 toc.style.display = 'block';
 151                 document.cookie = "hidetoc=0";
 152         } else {
 153                 changeText(toggleLink, tocShowText);
 154                 toc.style.display = 'none';
 155                 document.cookie = "hidetoc=1";
 156         }
 157 }
 158
 159 var mwEditButtons = [];
 160 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 161
 162 function escapeQuotes(text) {
 163         var re = new RegExp("'","g");
 164         text = text.replace(re,"\\'");
 165         re = new RegExp("\\n","g");
 166         text = text.replace(re,"\\n");
 167         return escapeQuotesHTML(text);
 168 }
 169
 170 function escapeQuotesHTML(text) {
 171         var re = new RegExp('&',"g");
 172         text = text.replace(re,"&amp;");
 173         re = new RegExp('"',"g");
 174         text = text.replace(re,"&quot;");
 175         re = new RegExp('<',"g");
 176         text = text.replace(re,"&lt;");
 177         re = new RegExp('>',"g");
 178         text = text.replace(re,"&gt;");
 179         return text;
 180 }
 181
 182
 183 /**
 184  * Set the accesskey prefix based on browser detection.
 185  */
 186 var tooltipAccessKeyPrefix = 'alt-';
 187 if (is_opera) {
 188         tooltipAccessKeyPrefix = 'shift-esc-';
 189 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 190         tooltipAccessKeyPrefix = 'ctrl-alt-';
 191 } else if (!is_safari_win && (is_safari
 192                 || clientPC.indexOf('mac') != -1
 193                 || clientPC.indexOf('konqueror') != -1 )) {
 194         tooltipAccessKeyPrefix = 'ctrl-';
 195 } else if (is_ff2) {
 196         tooltipAccessKeyPrefix = 'alt-shift-';
 197 }
 198 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 199
 200 /**
 201  * Add the appropriate prefix to the accesskey shown in the tooltip.
 202  * If the nodeList parameter is given, only those nodes are updated;
 203  * otherwise, all the nodes that will probably have accesskeys by
 204  * default are updated.
 205  *
 206  * @param Array nodeList -- list of elements to update
 207  */
 208 function updateTooltipAccessKeys( nodeList ) {
 209         if ( !nodeList ) {
 210                 // skins without a "column-one" element don't seem to have links with accesskeys either
 211                 var columnOne = document.getElementById("column-one");
 212                 if ( columnOne )
 213                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 214                 // these are rare enough that no such optimization is needed
 215                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 216                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 217                 return;
 218         }
 219
 220         for ( var i = 0; i < nodeList.length; i++ ) {
 221                 var element = nodeList[i];
 222                 var tip = element.getAttribute("title");
 223                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 224                         tip = tip.replace(tooltipAccessKeyRegexp,
 225                                           "["+tooltipAccessKeyPrefix+"$5]");
 226                         element.setAttribute("title", tip );
 227                 }
 228         }
 229 }
 230
 231 /**
 232  * Add a link to one of the portlet menus on the page, including:
 233  *
 234  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 235  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 236  * p-navigation: Navigation
 237  * p-tb: Toolbox
 238  *
 239  * This function exists for the convenience of custom JS authors.  All
 240  * but the first three parameters are optional, though providing at
 241  * least an id and a tooltip is recommended.
 242  *
 243  * By default the new link will be added to the end of the list.  To
 244  * add the link before a given existing item, pass the DOM node of
 245  * that item (easily obtained with document.getElementById()) as the
 246  * nextnode parameter; to add the link _after_ an existing item, pass
 247  * the node's nextSibling instead.
 248  *
 249  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 250  * @param String href -- link URL
 251  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 252  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 253  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 254  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 255  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 256  *
 257  * @return Node -- the DOM node of the new item (an LI element) or null
 258  */
 259 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 260         var node = document.getElementById(portlet);
 261         if ( !node ) return null;
 262         node = node.getElementsByTagName( "ul" )[0];
 263         if ( !node ) return null;
 264
 265         var link = document.createElement( "a" );
 266         link.appendChild( document.createTextNode( text ) );
 267         link.href = href;
 268
 269         var item = document.createElement( "li" );
 270         item.appendChild( link );
 271         if ( id ) item.id = id;
 272
 273         if ( accesskey ) {
 274                 link.setAttribute( "accesskey", accesskey );
 275                 tooltip += " ["+accesskey+"]";
 276         }
 277         if ( tooltip ) {
 278                 link.setAttribute( "title", tooltip );
 279         }
 280         if ( accesskey && tooltip ) {
 281                 updateTooltipAccessKeys( new Array( link ) );
 282         }
 283
 284         if ( nextnode && nextnode.parentNode == node )
 285                 node.insertBefore( item, nextnode );
 286         else
 287                 node.appendChild( item );  // IE compatibility (?)
 288
 289         return item;
 290 }
 291
 292
 293 /**
 294  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 295  * is specified, only set up for that id.  Note that this function is
 296  * deprecated and will not be supported indefinitely -- use
 297  * updateTooltipAccessKey() instead.
 298  *
 299  * @param mixed doId string or null
 300  */
 301 function akeytt( doId ) {
 302         // A lot of user scripts (and some of the code below) break if
 303         // ta isn't defined, so we make sure it is.  Explictly using
 304         // window.ta avoids a "ta is not defined" error.
 305         if (!window.ta) window.ta = new Array;
 306
 307         // Make a local, possibly restricted, copy to avoid clobbering
 308         // the original.
 309         var ta;
 310         if ( doId ) {
 311                 ta = [doId];
 312         } else {
 313                 ta = window.ta;
 314         }
 315
 316         // Now deal with evil deprecated ta
 317         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 318         for (var id in ta) {
 319                 var n = document.getElementById(id);
 320                 if (n) {
 321                         var a = null;
 322                         var ak = '';
 323                         // Are we putting accesskey in it
 324                         if (ta[id][0].length > 0) {
 325                                 // Is this object a object? If not assume it's the next child.
 326
 327                                 if (n.nodeName.toLowerCase() == "a") {
 328                                         a = n;
 329                                 } else {
 330                                         a = n.childNodes[0];
 331                                 }
 332                                 // Don't add an accesskey for the watch tab if the watch
 333                                 // checkbox is also available.
 334                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 335                                         a.accessKey = ta[id][0];
 336                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 337                                 }
 338                         } else {
 339                                 // We don't care what type the object is when assigning tooltip
 340                                 a = n;
 341                                 ak = '';
 342                         }
 343
 344                         if (a) {
 345                                 a.title = ta[id][1]+ak;
 346                         }
 347                 }
 348         }
 349 }
 350
 351 var checkboxes;
 352 var lastCheckbox;
 353
 354 function setupCheckboxShiftClick() {
 355         checkboxes = [];
 356         lastCheckbox = null;
 357         var inputs = document.getElementsByTagName('input');
 358         addCheckboxClickHandlers(inputs);
 359 }
 360
 361 function addCheckboxClickHandlers(inputs, start) {
 362         if ( !start) start = 0;
 363
 364         var finish = start + 250;
 365         if ( finish > inputs.length )
 366                 finish = inputs.length;
 367
 368         for ( var i = start; i < finish; i++ ) {
 369                 var cb = inputs[i];
 370                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 371                         continue;
 372                 var end = checkboxes.length;
 373                 checkboxes[end] = cb;
 374                 cb.index = end;
 375                 cb.onclick = checkboxClickHandler;
 376         }
 377
 378         if ( finish < inputs.length ) {
 379                 setTimeout( function () {
 380                         addCheckboxClickHandlers(inputs, finish);
 381                 }, 200 );
 382         }
 383 }
 384
 385 function checkboxClickHandler(e) {
 386         if (typeof e == 'undefined') {
 387                 e = window.event;
 388         }
 389         if ( !e.shiftKey || lastCheckbox === null ) {
 390                 lastCheckbox = this.index;
 391                 return true;
 392         }
 393         var endState = this.checked;
 394         var start, finish;
 395         if ( this.index < lastCheckbox ) {
 396                 start = this.index + 1;
 397                 finish = lastCheckbox;
 398         } else {
 399                 start = lastCheckbox;
 400                 finish = this.index - 1;
 401         }
 402         for (var i = start; i <= finish; ++i ) {
 403                 checkboxes[i].checked = endState;
 404         }
 405         lastCheckbox = this.index;
 406         return true;
 407 }
 408
 409 function toggle_element_activation(ida,idb) {
 410         if (!document.getElementById) {
 411                 return;
 412         }
 413         document.getElementById(ida).disabled=true;
 414         document.getElementById(idb).disabled=false;
 415 }
 416
 417 function toggle_element_check(ida,idb) {
 418         if (!document.getElementById) {
 419                 return;
 420         }
 421         document.getElementById(ida).checked=true;
 422         document.getElementById(idb).checked=false;
 423 }
 424
 425 /*
 426         Written by Jonathan Snook, http://www.snook.ca/jonathan
 427         Add-ons by Robert Nyman, http://www.robertnyman.com
 428         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 429         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 430 */
 431 function getElementsByClassName(oElm, strTagName, oClassNames){
 432         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 433         var arrReturnElements = new Array();
 434         var arrRegExpClassNames = new Array();
 435         if(typeof oClassNames == "object"){
 436                 for(var i=0; i<oClassNames.length; i++){
 437                         arrRegExpClassNames[arrRegExpClassNames.length] =
 438                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 439                 }
 440         }
 441         else{
 442                 arrRegExpClassNames[arrRegExpClassNames.length] =
 443                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 444         }
 445         var oElement;
 446         var bMatchesAll;
 447         for(var j=0; j<arrElements.length; j++){
 448                 oElement = arrElements[j];
 449                 bMatchesAll = true;
 450                 for(var k=0; k<arrRegExpClassNames.length; k++){
 451                         if(!arrRegExpClassNames[k].test(oElement.className)){
 452                                 bMatchesAll = false;
 453                                 break;
 454                         }
 455                 }
 456                 if(bMatchesAll){
 457                         arrReturnElements[arrReturnElements.length] = oElement;
 458                 }
 459         }
 460         return (arrReturnElements)
 461 }
 462
 463 function redirectToFragment(fragment) {
 464         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 465         if (match) {
 466                 var webKitVersion = parseInt(match[1]);
 467                 if (webKitVersion < 420) {
 468                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 469                         // Nightlies of 420+ are ok
 470                         return;
 471                 }
 472         }
 473         if (is_gecko) {
 474                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 475                 addOnloadHook(function () {
 476                         if (window.location.hash == "")
 477                                 window.location.hash = fragment;
 478                 });
 479         } else {
 480                 if (window.location.hash == "")
 481                         window.location.hash = fragment;
 482         }
 483 }
 484
 485 /*
 486  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 487  * de Valk:
 488  * http://www.joostdevalk.nl/code/sortable-table/
 489  * http://www.kryogenix.org/code/browser/sorttable/
 490  *
 491  * @todo don't break on colspans/rowspans (bug 8028)
 492  * @todo language-specific digit grouping/decimals (bug 8063)
 493  * @todo support all accepted date formats (bug 8226)
 494  */
 495
 496 var ts_image_path = stylepath+"/common/images/";
 497 var ts_image_up = "sort_up.gif";
 498 var ts_image_down = "sort_down.gif";
 499 var ts_image_none = "sort_none.gif";
 500 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 501 var ts_alternate_row_colors = false;
 502 var ts_number_transform_table = null;
 503 var ts_number_regex = null;
 504
 505 function sortables_init() {
 506         var idnum = 0;
 507         // Find all tables with class sortable and make them sortable
 508         var tables = getElementsByClassName(document, "table", "sortable");
 509         for (var ti = 0; ti < tables.length ; ti++) {
 510                 if (!tables[ti].id) {
 511                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 512                         ++idnum;
 513                 }
 514                 ts_makeSortable(tables[ti]);
 515         }
 516 }
 517
 518 function ts_makeSortable(table) {
 519         var firstRow;
 520         if (table.rows && table.rows.length > 0) {
 521                 if (table.tHead && table.tHead.rows.length > 0) {
 522                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 523                 } else {
 524                         firstRow = table.rows[0];
 525                 }
 526         }
 527         if (!firstRow) return;
 528
 529         // We have a first row: assume it's the header, and make its contents clickable links
 530         for (var i = 0; i < firstRow.cells.length; i++) {
 531                 var cell = firstRow.cells[i];
 532                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 533                         cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow"><img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/></span></a>';
 534                 }
 535         }
 536         if (ts_alternate_row_colors) {
 537                 ts_alternate(table);
 538         }
 539 }
 540
 541 function ts_getInnerText(el) {
 542         if (typeof el == "string") return el;
 543         if (typeof el == "undefined") { return el };
 544         if (el.textContent) return el.textContent; // not needed but it is faster
 545         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 546         var str = "";
 547
 548         var cs = el.childNodes;
 549         var l = cs.length;
 550         for (var i = 0; i < l; i++) {
 551                 switch (cs[i].nodeType) {
 552                         case 1: //ELEMENT_NODE
 553                                 str += ts_getInnerText(cs[i]);
 554                                 break;
 555                         case 3: //TEXT_NODE
 556                                 str += cs[i].nodeValue;
 557                                 break;
 558                 }
 559         }
 560         return str;
 561 }
 562
 563 function ts_resortTable(lnk) {
 564         // get the span
 565         var span = lnk.getElementsByTagName('span')[0];
 566
 567         var td = lnk.parentNode;
 568         var tr = td.parentNode;
 569         var column = td.cellIndex;
 570
 571         var table = tr.parentNode;
 572         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 573                 table = table.parentNode;
 574         if (!table) return;
 575
 576         if (table.rows.length <= 1) return;
 577
 578         // Generate the number transform table if it's not done already
 579         if (ts_number_transform_table == null) {
 580                 ts_initTransformTable();
 581         }
 582
 583         // Work out a type for the column
 584         // Skip the first row if that's where the headings are
 585         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 586
 587         var itm = "";
 588         for (var i = rowStart; i < table.rows.length; i++) {
 589                 if (table.rows[i].cells.length > column) {
 590                         itm = ts_getInnerText(table.rows[i].cells[column]);
 591                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 592                         if (itm != "") break;
 593                 }
 594         }
 595
 596         // TODO: bug 8226, localised date formats
 597         var sortfn = ts_sort_generic;
 598         var preprocessor = ts_toLowerCase;
 599         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 600                 preprocessor = ts_dateToSortKey;
 601         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 602                 preprocessor = ts_dateToSortKey;
 603         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 604                 preprocessor = ts_dateToSortKey;
 605         // pound dollar euro yen currency cents
 606         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 607                 preprocessor = ts_currencyToSortKey;
 608         } else if (ts_number_regex.test(itm)) {
 609                 preprocessor = ts_parseFloat;
 610         }
 611
 612         var reverse = (span.getAttribute("sortdir") == 'down');
 613
 614         var newRows = new Array();
 615         for (var j = rowStart; j < table.rows.length; j++) {
 616                 var row = table.rows[j];
 617                 var keyText = ts_getInnerText(row.cells[column]);
 618                 var oldIndex = (reverse ? -j : j);
 619                 var preprocessed = preprocessor( keyText );
 620
 621                 newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 622         }
 623
 624         newRows.sort(sortfn);
 625
 626         var arrowHTML;
 627         if (reverse) {
 628                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 629                 newRows.reverse();
 630                 span.setAttribute('sortdir','up');
 631         } else {
 632                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 633                 span.setAttribute('sortdir','down');
 634         }
 635
 636         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 637         // don't do sortbottom rows
 638         for (var i = 0; i < newRows.length; i++) {
 639                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 640                         table.tBodies[0].appendChild(newRows[i][0]);
 641         }
 642         // do sortbottom rows only
 643         for (var i = 0; i < newRows.length; i++) {
 644                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 645                         table.tBodies[0].appendChild(newRows[i][0]);
 646         }
 647
 648         // Delete any other arrows there may be showing
 649         var spans = getElementsByClassName(tr, "span", "sortarrow");
 650         for (var i = 0; i < spans.length; i++) {
 651                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 652         }
 653         span.innerHTML = arrowHTML;
 654
 655         if (ts_alternate_row_colors) {
 656                 ts_alternate(table);
 657         }
 658 }
 659
 660 function ts_initTransformTable() {
 661         if ( typeof wgSeparatorTransformTable == "undefined"
 662                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 663         {
 664                 digitClass = "[0-9,.]";
 665                 ts_number_transform_table = false;
 666         } else {
 667                 ts_number_transform_table = {};
 668                 // Unpack the transform table
 669                 // Separators
 670                 ascii = wgSeparatorTransformTable[0].split("\t");
 671                 localised = wgSeparatorTransformTable[1].split("\t");
 672                 for ( var i = 0; i < ascii.length; i++ ) {
 673                         ts_number_transform_table[localised[i]] = ascii[i];
 674                 }
 675                 // Digits
 676                 ascii = wgDigitTransformTable[0].split("\t");
 677                 localised = wgDigitTransformTable[1].split("\t");
 678                 for ( var i = 0; i < ascii.length; i++ ) {
 679                         ts_number_transform_table[localised[i]] = ascii[i];
 680                 }
 681
 682                 // Construct regex for number identification
 683                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 684                 maxDigitLength = 1;
 685                 for ( var digit in ts_number_transform_table ) {
 686                         // Escape regex metacharacters
 687                         digits.push(
 688                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 689                                         function( s ) { return '\\' + s; } )
 690                         );
 691                         if (digit.length > maxDigitLength) {
 692                                 maxDigitLength = digit.length;
 693                         }
 694                 }
 695                 if ( maxDigitLength > 1 ) {
 696                         digitClass = '[' + digits.join( '', digits ) + ']';
 697                 } else {
 698                         digitClass = '(' + digits.join( '|', digits ) + ')';
 699                 }
 700         }
 701
 702         // We allow a trailing percent sign, which we just strip.  This works fine
 703         // if percents and regular numbers aren't being mixed.
 704         ts_number_regex = new RegExp(
 705                 "^(" +
 706                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 707                         "|" +
 708                         "[+-]?" + digitClass + "+%?" + // Generic localised
 709                 ")$", "i"
 710         );
 711 }
 712
 713 function ts_toLowerCase( s ) {
 714         return s.toLowerCase();
 715 }
 716
 717 function ts_dateToSortKey(date) {
 718         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 719         if (date.length == 11) {
 720                 switch (date.substr(3,3).toLowerCase()) {
 721                         case "jan": var month = "01"; break;
 722                         case "feb": var month = "02"; break;
 723                         case "mar": var month = "03"; break;
 724                         case "apr": var month = "04"; break;
 725                         case "may": var month = "05"; break;
 726                         case "jun": var month = "06"; break;
 727                         case "jul": var month = "07"; break;
 728                         case "aug": var month = "08"; break;
 729                         case "sep": var month = "09"; break;
 730                         case "oct": var month = "10"; break;
 731                         case "nov": var month = "11"; break;
 732                         case "dec": var month = "12"; break;
 733                         // default: var month = "00";
 734                 }
 735                 return date.substr(7,4)+month+date.substr(0,2);
 736         } else if (date.length == 10) {
 737                 if (ts_europeandate == false) {
 738                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 739                 } else {
 740                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 741                 }
 742         } else if (date.length == 8) {
 743                 yr = date.substr(6,2);
 744                 if (parseInt(yr) < 50) {
 745                         yr = '20'+yr;
 746                 } else {
 747                         yr = '19'+yr;
 748                 }
 749                 if (ts_europeandate == true) {
 750                         return yr+date.substr(3,2)+date.substr(0,2);
 751                 } else {
 752                         return yr+date.substr(0,2)+date.substr(3,2);
 753                 }
 754         }
 755         return "00000000";
 756 }
 757
 758 function ts_parseFloat( s ) {
 759         if ( !s ) {
 760                 return 0;
 761         }
 762         if (ts_number_transform_table != false) {
 763                 var newNum = '', c;
 764
 765                 for ( var p = 0; p < s.length; p++ ) {
 766                         c = s.charAt( p );
 767                         if (c in ts_number_transform_table) {
 768                                 newNum += ts_number_transform_table[c];
 769                         } else {
 770                                 newNum += c;
 771                         }
 772                 }
 773                 s = newNum;
 774         }
 775
 776         num = parseFloat(s.replace(/,/g, ""));
 777         return (isNaN(num) ? s : num);
 778 }
 779
 780 function ts_currencyToSortKey( s ) {
 781         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 782 }
 783
 784 function ts_sort_generic(a, b) {
 785         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 786 }
 787
 788 function ts_alternate(table) {
 789         // Take object table and get all it's tbodies.
 790         var tableBodies = table.getElementsByTagName("tbody");
 791         // Loop through these tbodies
 792         for (var i = 0; i < tableBodies.length; i++) {
 793                 // Take the tbody, and get all it's rows
 794                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 795                 // Loop through these rows
 796                 // Start at 1 because we want to leave the heading row untouched
 797                 for (var j = 0; j < tableRows.length; j++) {
 798                         // Check if j is even, and apply classes for both possible results
 799                         var oldClasses = tableRows[j].className.split(" ");
 800                         var newClassName = "";
 801                         for (var k = 0; k < oldClasses.length; k++) {
 802                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 803                                         newClassName += oldClasses[k] + " ";
 804                         }
 805                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 806                 }
 807         }
 808 }
 809
 810 /*
 811  * End of table sorting code
 812  */
 813
 814
 815 /**
 816  * Add a cute little box at the top of the screen to inform the user of
 817  * something, replacing any preexisting message.
 818  *
 819  * @param String -or- Dom Object message HTML to be put inside the right div
 820  * @param String className   Used in adding a class; should be different for each
 821  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 822  * @return Boolean       True on success, false on failure
 823  */
 824 function jsMsg( message, className ) {
 825         if ( !document.getElementById ) {
 826                 return false;
 827         }
 828         // We special-case skin structures provided by the software.  Skins that
 829         // choose to abandon or significantly modify our formatting can just define
 830         // an mw-js-message div to start with.
 831         var messageDiv = document.getElementById( 'mw-js-message' );
 832         if ( !messageDiv ) {
 833                 messageDiv = document.createElement( 'div' );
 834                 if ( document.getElementById( 'column-content' )
 835                 && document.getElementById( 'content' ) ) {
 836                         // MonoBook, presumably
 837                         document.getElementById( 'content' ).insertBefore(
 838                                 messageDiv,
 839                                 document.getElementById( 'content' ).firstChild
 840                         );
 841                 } else if ( document.getElementById('content')
 842                 && document.getElementById( 'article' ) ) {
 843                         // Non-Monobook but still recognizable (old-style)
 844                         document.getElementById( 'article').insertBefore(
 845                                 messageDiv,
 846                                 document.getElementById( 'article' ).firstChild
 847                         );
 848                 } else {
 849                         return false;
 850                 }
 851         }
 852
 853         messageDiv.setAttribute( 'id', 'mw-js-message' );
 854         if( className ) {
 855                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 856         }
 857
 858         if (typeof message === 'object') {
 859                 while (messageDiv.hasChildNodes()) // Remove old content
 860                         messageDiv.removeChild(messageDiv.firstChild);
 861                 messageDiv.appendChild (message); // Append new content
 862         }
 863         else {
 864                 messageDiv.innerHTML = message;
 865         }
 866         return true;
 867 }
 868
 869 /**
 870  * Inject a cute little progress spinner after the specified element
 871  *
 872  * @param element Element to inject after
 873  * @param id Identifier string (for use with removeSpinner(), below)
 874  */
 875 function injectSpinner( element, id ) {
 876         var spinner = document.createElement( "img" );
 877         spinner.id = "mw-spinner-" + id;
 878         spinner.src = stylepath + "/common/images/spinner.gif";
 879         spinner.alt = spinner.title = "...";
 880         if( element.nextSibling ) {
 881                 element.parentNode.insertBefore( spinner, element.nextSibling );
 882         } else {
 883                 element.parentNode.appendChild( spinner );
 884         }
 885 }
 886
 887 /**
 888  * Remove a progress spinner added with injectSpinner()
 889  *
 890  * @param id Identifier string
 891  */
 892 function removeSpinner( id ) {
 893         var spinner = document.getElementById( "mw-spinner-" + id );
 894         if( spinner ) {
 895                 spinner.parentNode.removeChild( spinner );
 896         }
 897 }
 898
 899 function runOnloadHook() {
 900         // don't run anything below this for non-dom browsers
 901         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 902                 return;
 903         }
 904
 905         // set this before running any hooks, since any errors below
 906         // might cause the function to terminate prematurely
 907         doneOnloadHook = true;
 908
 909         updateTooltipAccessKeys( null );
 910         akeytt( null );
 911         setupCheckboxShiftClick();
 912         sortables_init();
 913
 914         // Run any added-on functions
 915         for (var i = 0; i < onloadFuncts.length; i++) {
 916                 onloadFuncts[i]();
 917         }
 918 }
 919
 920 /**
 921  * Add an event handler to an element
 922  *
 923  * @param Element element Element to add handler to
 924  * @param String attach Event to attach to
 925  * @param callable handler Event handler callback
 926  */
 927 function addHandler( element, attach, handler ) {
 928         if( window.addEventListener ) {
 929                 element.addEventListener( attach, handler, false );
 930         } else if( window.attachEvent ) {
 931                 element.attachEvent( 'on' + attach, handler );
 932         }
 933 }
 934
 935 /**
 936  * Add a click event handler to an element
 937  *
 938  * @param Element element Element to add handler to
 939  * @param callable handler Event handler callback
 940  */
 941 function addClickHandler( element, handler ) {
 942         addHandler( element, 'click', handler );
 943 }
 944
 945 /**
 946  * Removes an event handler from an element
 947  *
 948  * @param Element element Element to remove handler from
 949  * @param String remove Event to remove
 950  * @param callable handler Event handler callback to remove
 951  */
 952 function removeHandler( element, remove, handler ) {
 953         if( window.removeEventListener ) {
 954                 element.removeEventListener( remove, handler, false );
 955         } else if( window.detachEvent ) {
 956                 element.detachEvent( 'on' + remove, handler );
 957         }
 958 }
 959 //note: all skins should call runOnloadHook() at the end of html output,
 960 //      so the below should be redundant. It's there just in case.
 961 hookEvent("load", runOnloadHook);