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 function getInnerText(el) {
 293         if (typeof el == "string") return el;
 294         if (typeof el == "undefined") { return el };
 295         if (el.textContent) return el.textContent; // not needed but it is faster
 296         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 297         var str = "";
 298
 299         var cs = el.childNodes;
 300         var l = cs.length;
 301         for (var i = 0; i < l; i++) {
 302                 switch (cs[i].nodeType) {
 303                         case 1: //ELEMENT_NODE
 304                                 str += ts_getInnerText(cs[i]);
 305                                 break;
 306                         case 3: //TEXT_NODE
 307                                 str += cs[i].nodeValue;
 308                                 break;
 309                 }
 310         }
 311         return str;
 312 }
 313
 314
 315 /**
 316  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 317  * is specified, only set up for that id.  Note that this function is
 318  * deprecated and will not be supported indefinitely -- use
 319  * updateTooltipAccessKey() instead.
 320  *
 321  * @param mixed doId string or null
 322  */
 323 function akeytt( doId ) {
 324         // A lot of user scripts (and some of the code below) break if
 325         // ta isn't defined, so we make sure it is.  Explictly using
 326         // window.ta avoids a "ta is not defined" error.
 327         if (!window.ta) window.ta = new Array;
 328
 329         // Make a local, possibly restricted, copy to avoid clobbering
 330         // the original.
 331         var ta;
 332         if ( doId ) {
 333                 ta = [doId];
 334         } else {
 335                 ta = window.ta;
 336         }
 337
 338         // Now deal with evil deprecated ta
 339         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 340         for (var id in ta) {
 341                 var n = document.getElementById(id);
 342                 if (n) {
 343                         var a = null;
 344                         var ak = '';
 345                         // Are we putting accesskey in it
 346                         if (ta[id][0].length > 0) {
 347                                 // Is this object a object? If not assume it's the next child.
 348
 349                                 if (n.nodeName.toLowerCase() == "a") {
 350                                         a = n;
 351                                 } else {
 352                                         a = n.childNodes[0];
 353                                 }
 354                                 // Don't add an accesskey for the watch tab if the watch
 355                                 // checkbox is also available.
 356                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 357                                         a.accessKey = ta[id][0];
 358                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 359                                 }
 360                         } else {
 361                                 // We don't care what type the object is when assigning tooltip
 362                                 a = n;
 363                                 ak = '';
 364                         }
 365
 366                         if (a) {
 367                                 a.title = ta[id][1]+ak;
 368                         }
 369                 }
 370         }
 371 }
 372
 373 var checkboxes;
 374 var lastCheckbox;
 375
 376 function setupCheckboxShiftClick() {
 377         checkboxes = [];
 378         lastCheckbox = null;
 379         var inputs = document.getElementsByTagName('input');
 380         addCheckboxClickHandlers(inputs);
 381 }
 382
 383 function addCheckboxClickHandlers(inputs, start) {
 384         if ( !start) start = 0;
 385
 386         var finish = start + 250;
 387         if ( finish > inputs.length )
 388                 finish = inputs.length;
 389
 390         for ( var i = start; i < finish; i++ ) {
 391                 var cb = inputs[i];
 392                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 393                         continue;
 394                 var end = checkboxes.length;
 395                 checkboxes[end] = cb;
 396                 cb.index = end;
 397                 cb.onclick = checkboxClickHandler;
 398         }
 399
 400         if ( finish < inputs.length ) {
 401                 setTimeout( function () {
 402                         addCheckboxClickHandlers(inputs, finish);
 403                 }, 200 );
 404         }
 405 }
 406
 407 function checkboxClickHandler(e) {
 408         if (typeof e == 'undefined') {
 409                 e = window.event;
 410         }
 411         if ( !e.shiftKey || lastCheckbox === null ) {
 412                 lastCheckbox = this.index;
 413                 return true;
 414         }
 415         var endState = this.checked;
 416         var start, finish;
 417         if ( this.index < lastCheckbox ) {
 418                 start = this.index + 1;
 419                 finish = lastCheckbox;
 420         } else {
 421                 start = lastCheckbox;
 422                 finish = this.index - 1;
 423         }
 424         for (var i = start; i <= finish; ++i ) {
 425                 checkboxes[i].checked = endState;
 426         }
 427         lastCheckbox = this.index;
 428         return true;
 429 }
 430
 431 function toggle_element_activation(ida,idb) {
 432         if (!document.getElementById) {
 433                 return;
 434         }
 435         document.getElementById(ida).disabled=true;
 436         document.getElementById(idb).disabled=false;
 437 }
 438
 439 function toggle_element_check(ida,idb) {
 440         if (!document.getElementById) {
 441                 return;
 442         }
 443         document.getElementById(ida).checked=true;
 444         document.getElementById(idb).checked=false;
 445 }
 446
 447 /*
 448         Written by Jonathan Snook, http://www.snook.ca/jonathan
 449         Add-ons by Robert Nyman, http://www.robertnyman.com
 450         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 451         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 452 */
 453 function getElementsByClassName(oElm, strTagName, oClassNames){
 454         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 455         var arrReturnElements = new Array();
 456         var arrRegExpClassNames = new Array();
 457         if(typeof oClassNames == "object"){
 458                 for(var i=0; i<oClassNames.length; i++){
 459                         arrRegExpClassNames[arrRegExpClassNames.length] =
 460                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 461                 }
 462         }
 463         else{
 464                 arrRegExpClassNames[arrRegExpClassNames.length] =
 465                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 466         }
 467         var oElement;
 468         var bMatchesAll;
 469         for(var j=0; j<arrElements.length; j++){
 470                 oElement = arrElements[j];
 471                 bMatchesAll = true;
 472                 for(var k=0; k<arrRegExpClassNames.length; k++){
 473                         if(!arrRegExpClassNames[k].test(oElement.className)){
 474                                 bMatchesAll = false;
 475                                 break;
 476                         }
 477                 }
 478                 if(bMatchesAll){
 479                         arrReturnElements[arrReturnElements.length] = oElement;
 480                 }
 481         }
 482         return (arrReturnElements)
 483 }
 484
 485 function redirectToFragment(fragment) {
 486         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 487         if (match) {
 488                 var webKitVersion = parseInt(match[1]);
 489                 if (webKitVersion < 420) {
 490                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 491                         // Nightlies of 420+ are ok
 492                         return;
 493                 }
 494         }
 495         if (is_gecko) {
 496                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 497                 addOnloadHook(function () {
 498                         if (window.location.hash == "")
 499                                 window.location.hash = fragment;
 500                 });
 501         } else {
 502                 if (window.location.hash == "")
 503                         window.location.hash = fragment;
 504         }
 505 }
 506
 507 /*
 508  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 509  * de Valk:
 510  * http://www.joostdevalk.nl/code/sortable-table/
 511  * http://www.kryogenix.org/code/browser/sorttable/
 512  *
 513  * @todo don't break on colspans/rowspans (bug 8028)
 514  * @todo language-specific digit grouping/decimals (bug 8063)
 515  * @todo support all accepted date formats (bug 8226)
 516  */
 517
 518 var ts_image_path = stylepath+"/common/images/";
 519 var ts_image_up = "sort_up.gif";
 520 var ts_image_down = "sort_down.gif";
 521 var ts_image_none = "sort_none.gif";
 522 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 523 var ts_alternate_row_colors = false;
 524 var ts_number_transform_table = null;
 525 var ts_number_regex = null;
 526
 527 function sortables_init() {
 528         var idnum = 0;
 529         // Find all tables with class sortable and make them sortable
 530         var tables = getElementsByClassName(document, "table", "sortable");
 531         for (var ti = 0; ti < tables.length ; ti++) {
 532                 if (!tables[ti].id) {
 533                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 534                         ++idnum;
 535                 }
 536                 ts_makeSortable(tables[ti]);
 537         }
 538 }
 539
 540 function ts_makeSortable(table) {
 541         var firstRow;
 542         if (table.rows && table.rows.length > 0) {
 543                 if (table.tHead && table.tHead.rows.length > 0) {
 544                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 545                 } else {
 546                         firstRow = table.rows[0];
 547                 }
 548         }
 549         if (!firstRow) return;
 550
 551         // We have a first row: assume it's the header, and make its contents clickable links
 552         for (var i = 0; i < firstRow.cells.length; i++) {
 553                 var cell = firstRow.cells[i];
 554                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 555                         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>';
 556                 }
 557         }
 558         if (ts_alternate_row_colors) {
 559                 ts_alternate(table);
 560         }
 561 }
 562
 563 function ts_getInnerText(el) {
 564         return getInnerText( el );
 565 }
 566
 567 function ts_resortTable(lnk) {
 568         // get the span
 569         var span = lnk.getElementsByTagName('span')[0];
 570
 571         var td = lnk.parentNode;
 572         var tr = td.parentNode;
 573         var column = td.cellIndex;
 574
 575         var table = tr.parentNode;
 576         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 577                 table = table.parentNode;
 578         if (!table) return;
 579
 580         if (table.rows.length <= 1) return;
 581
 582         // Generate the number transform table if it's not done already
 583         if (ts_number_transform_table == null) {
 584                 ts_initTransformTable();
 585         }
 586
 587         // Work out a type for the column
 588         // Skip the first row if that's where the headings are
 589         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 590
 591         var itm = "";
 592         for (var i = rowStart; i < table.rows.length; i++) {
 593                 if (table.rows[i].cells.length > column) {
 594                         itm = ts_getInnerText(table.rows[i].cells[column]);
 595                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 596                         if (itm != "") break;
 597                 }
 598         }
 599
 600         // TODO: bug 8226, localised date formats
 601         var sortfn = ts_sort_generic;
 602         var preprocessor = ts_toLowerCase;
 603         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 604                 preprocessor = ts_dateToSortKey;
 605         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 606                 preprocessor = ts_dateToSortKey;
 607         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 608                 preprocessor = ts_dateToSortKey;
 609         // pound dollar euro yen currency cents
 610         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 611                 preprocessor = ts_currencyToSortKey;
 612         } else if (ts_number_regex.test(itm)) {
 613                 preprocessor = ts_parseFloat;
 614         }
 615
 616         var reverse = (span.getAttribute("sortdir") == 'down');
 617
 618         var newRows = new Array();
 619         for (var j = rowStart; j < table.rows.length; j++) {
 620                 var row = table.rows[j];
 621                 var keyText = ts_getInnerText(row.cells[column]);
 622                 var oldIndex = (reverse ? -j : j);
 623                 var preprocessed = preprocessor( keyText );
 624
 625                 newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 626         }
 627
 628         newRows.sort(sortfn);
 629
 630         var arrowHTML;
 631         if (reverse) {
 632                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 633                 newRows.reverse();
 634                 span.setAttribute('sortdir','up');
 635         } else {
 636                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 637                 span.setAttribute('sortdir','down');
 638         }
 639
 640         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 641         // don't do sortbottom rows
 642         for (var i = 0; i < newRows.length; i++) {
 643                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 644                         table.tBodies[0].appendChild(newRows[i][0]);
 645         }
 646         // do sortbottom rows only
 647         for (var i = 0; i < newRows.length; i++) {
 648                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 649                         table.tBodies[0].appendChild(newRows[i][0]);
 650         }
 651
 652         // Delete any other arrows there may be showing
 653         var spans = getElementsByClassName(tr, "span", "sortarrow");
 654         for (var i = 0; i < spans.length; i++) {
 655                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 656         }
 657         span.innerHTML = arrowHTML;
 658
 659         if (ts_alternate_row_colors) {
 660                 ts_alternate(table);
 661         }
 662 }
 663
 664 function ts_initTransformTable() {
 665         if ( typeof wgSeparatorTransformTable == "undefined"
 666                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 667         {
 668                 digitClass = "[0-9,.]";
 669                 ts_number_transform_table = false;
 670         } else {
 671                 ts_number_transform_table = {};
 672                 // Unpack the transform table
 673                 // Separators
 674                 ascii = wgSeparatorTransformTable[0].split("\t");
 675                 localised = wgSeparatorTransformTable[1].split("\t");
 676                 for ( var i = 0; i < ascii.length; i++ ) {
 677                         ts_number_transform_table[localised[i]] = ascii[i];
 678                 }
 679                 // Digits
 680                 ascii = wgDigitTransformTable[0].split("\t");
 681                 localised = wgDigitTransformTable[1].split("\t");
 682                 for ( var i = 0; i < ascii.length; i++ ) {
 683                         ts_number_transform_table[localised[i]] = ascii[i];
 684                 }
 685
 686                 // Construct regex for number identification
 687                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 688                 maxDigitLength = 1;
 689                 for ( var digit in ts_number_transform_table ) {
 690                         // Escape regex metacharacters
 691                         digits.push(
 692                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 693                                         function( s ) { return '\\' + s; } )
 694                         );
 695                         if (digit.length > maxDigitLength) {
 696                                 maxDigitLength = digit.length;
 697                         }
 698                 }
 699                 if ( maxDigitLength > 1 ) {
 700                         digitClass = '[' + digits.join( '', digits ) + ']';
 701                 } else {
 702                         digitClass = '(' + digits.join( '|', digits ) + ')';
 703                 }
 704         }
 705
 706         // We allow a trailing percent sign, which we just strip.  This works fine
 707         // if percents and regular numbers aren't being mixed.
 708         ts_number_regex = new RegExp(
 709                 "^(" +
 710                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 711                         "|" +
 712                         "[+-]?" + digitClass + "+%?" + // Generic localised
 713                 ")$", "i"
 714         );
 715 }
 716
 717 function ts_toLowerCase( s ) {
 718         return s.toLowerCase();
 719 }
 720
 721 function ts_dateToSortKey(date) {
 722         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 723         if (date.length == 11) {
 724                 switch (date.substr(3,3).toLowerCase()) {
 725                         case "jan": var month = "01"; break;
 726                         case "feb": var month = "02"; break;
 727                         case "mar": var month = "03"; break;
 728                         case "apr": var month = "04"; break;
 729                         case "may": var month = "05"; break;
 730                         case "jun": var month = "06"; break;
 731                         case "jul": var month = "07"; break;
 732                         case "aug": var month = "08"; break;
 733                         case "sep": var month = "09"; break;
 734                         case "oct": var month = "10"; break;
 735                         case "nov": var month = "11"; break;
 736                         case "dec": var month = "12"; break;
 737                         // default: var month = "00";
 738                 }
 739                 return date.substr(7,4)+month+date.substr(0,2);
 740         } else if (date.length == 10) {
 741                 if (ts_europeandate == false) {
 742                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 743                 } else {
 744                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 745                 }
 746         } else if (date.length == 8) {
 747                 yr = date.substr(6,2);
 748                 if (parseInt(yr) < 50) {
 749                         yr = '20'+yr;
 750                 } else {
 751                         yr = '19'+yr;
 752                 }
 753                 if (ts_europeandate == true) {
 754                         return yr+date.substr(3,2)+date.substr(0,2);
 755                 } else {
 756                         return yr+date.substr(0,2)+date.substr(3,2);
 757                 }
 758         }
 759         return "00000000";
 760 }
 761
 762 function ts_parseFloat( s ) {
 763         if ( !s ) {
 764                 return 0;
 765         }
 766         if (ts_number_transform_table != false) {
 767                 var newNum = '', c;
 768
 769                 for ( var p = 0; p < s.length; p++ ) {
 770                         c = s.charAt( p );
 771                         if (c in ts_number_transform_table) {
 772                                 newNum += ts_number_transform_table[c];
 773                         } else {
 774                                 newNum += c;
 775                         }
 776                 }
 777                 s = newNum;
 778         }
 779
 780         num = parseFloat(s.replace(/,/g, ""));
 781         return (isNaN(num) ? s : num);
 782 }
 783
 784 function ts_currencyToSortKey( s ) {
 785         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 786 }
 787
 788 function ts_sort_generic(a, b) {
 789         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 790 }
 791
 792 function ts_alternate(table) {
 793         // Take object table and get all it's tbodies.
 794         var tableBodies = table.getElementsByTagName("tbody");
 795         // Loop through these tbodies
 796         for (var i = 0; i < tableBodies.length; i++) {
 797                 // Take the tbody, and get all it's rows
 798                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 799                 // Loop through these rows
 800                 // Start at 1 because we want to leave the heading row untouched
 801                 for (var j = 0; j < tableRows.length; j++) {
 802                         // Check if j is even, and apply classes for both possible results
 803                         var oldClasses = tableRows[j].className.split(" ");
 804                         var newClassName = "";
 805                         for (var k = 0; k < oldClasses.length; k++) {
 806                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 807                                         newClassName += oldClasses[k] + " ";
 808                         }
 809                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 810                 }
 811         }
 812 }
 813
 814 /*
 815  * End of table sorting code
 816  */
 817
 818
 819 /**
 820  * Add a cute little box at the top of the screen to inform the user of
 821  * something, replacing any preexisting message.
 822  *
 823  * @param String -or- Dom Object message HTML to be put inside the right div
 824  * @param String className   Used in adding a class; should be different for each
 825  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 826  * @return Boolean       True on success, false on failure
 827  */
 828 function jsMsg( message, className ) {
 829         if ( !document.getElementById ) {
 830                 return false;
 831         }
 832         // We special-case skin structures provided by the software.  Skins that
 833         // choose to abandon or significantly modify our formatting can just define
 834         // an mw-js-message div to start with.
 835         var messageDiv = document.getElementById( 'mw-js-message' );
 836         if ( !messageDiv ) {
 837                 messageDiv = document.createElement( 'div' );
 838                 if ( document.getElementById( 'column-content' )
 839                 && document.getElementById( 'content' ) ) {
 840                         // MonoBook, presumably
 841                         document.getElementById( 'content' ).insertBefore(
 842                                 messageDiv,
 843                                 document.getElementById( 'content' ).firstChild
 844                         );
 845                 } else if ( document.getElementById('content')
 846                 && document.getElementById( 'article' ) ) {
 847                         // Non-Monobook but still recognizable (old-style)
 848                         document.getElementById( 'article').insertBefore(
 849                                 messageDiv,
 850                                 document.getElementById( 'article' ).firstChild
 851                         );
 852                 } else {
 853                         return false;
 854                 }
 855         }
 856
 857         messageDiv.setAttribute( 'id', 'mw-js-message' );
 858         messageDiv.style.display = 'block';
 859         if( className ) {
 860                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 861         }
 862
 863         if (typeof message === 'object') {
 864                 while (messageDiv.hasChildNodes()) // Remove old content
 865                         messageDiv.removeChild(messageDiv.firstChild);
 866                 messageDiv.appendChild (message); // Append new content
 867         }
 868         else {
 869                 messageDiv.innerHTML = message;
 870         }
 871         return true;
 872 }
 873
 874 /**
 875  * Inject a cute little progress spinner after the specified element
 876  *
 877  * @param element Element to inject after
 878  * @param id Identifier string (for use with removeSpinner(), below)
 879  */
 880 function injectSpinner( element, id ) {
 881         var spinner = document.createElement( "img" );
 882         spinner.id = "mw-spinner-" + id;
 883         spinner.src = stylepath + "/common/images/spinner.gif";
 884         spinner.alt = spinner.title = "...";
 885         if( element.nextSibling ) {
 886                 element.parentNode.insertBefore( spinner, element.nextSibling );
 887         } else {
 888                 element.parentNode.appendChild( spinner );
 889         }
 890 }
 891
 892 /**
 893  * Remove a progress spinner added with injectSpinner()
 894  *
 895  * @param id Identifier string
 896  */
 897 function removeSpinner( id ) {
 898         var spinner = document.getElementById( "mw-spinner-" + id );
 899         if( spinner ) {
 900                 spinner.parentNode.removeChild( spinner );
 901         }
 902 }
 903
 904 function runOnloadHook() {
 905         // don't run anything below this for non-dom browsers
 906         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 907                 return;
 908         }
 909
 910         // set this before running any hooks, since any errors below
 911         // might cause the function to terminate prematurely
 912         doneOnloadHook = true;
 913
 914         updateTooltipAccessKeys( null );
 915         akeytt( null );
 916         setupCheckboxShiftClick();
 917         sortables_init();
 918
 919         // Run any added-on functions
 920         for (var i = 0; i < onloadFuncts.length; i++) {
 921                 onloadFuncts[i]();
 922         }
 923 }
 924
 925 /**
 926  * Add an event handler to an element
 927  *
 928  * @param Element element Element to add handler to
 929  * @param String attach Event to attach to
 930  * @param callable handler Event handler callback
 931  */
 932 function addHandler( element, attach, handler ) {
 933         if( window.addEventListener ) {
 934                 element.addEventListener( attach, handler, false );
 935         } else if( window.attachEvent ) {
 936                 element.attachEvent( 'on' + attach, handler );
 937         }
 938 }
 939
 940 /**
 941  * Add a click event handler to an element
 942  *
 943  * @param Element element Element to add handler to
 944  * @param callable handler Event handler callback
 945  */
 946 function addClickHandler( element, handler ) {
 947         addHandler( element, 'click', handler );
 948 }
 949
 950 /**
 951  * Removes an event handler from an element
 952  *
 953  * @param Element element Element to remove handler from
 954  * @param String remove Event to remove
 955  * @param callable handler Event handler callback to remove
 956  */
 957 function removeHandler( element, remove, handler ) {
 958         if( window.removeEventListener ) {
 959                 element.removeEventListener( remove, handler, false );
 960         } else if( window.detachEvent ) {
 961                 element.detachEvent( 'on' + remove, handler );
 962         }
 963 }
 964 //note: all skins should call runOnloadHook() at the end of html output,
 965 //      so the below should be redundant. It's there just in case.
 966 hookEvent("load", runOnloadHook);