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 // For accesskeys; note that FF3+ is included here!
  14 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  15 var ff2_bugs = /firefox\/2/.test( clientPC );
  16 // These aren't used here, but some custom scripts rely on them
  17 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  18 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  19 if (clientPC.indexOf('opera') != -1) {
  20         var is_opera = true;
  21         var is_opera_preseven = window.opera && !document.childNodes;
  22         var is_opera_seven = window.opera && document.childNodes;
  23         var is_opera_95 = /opera\/(9\.[5-9]|[1-9][0-9])/.test( clientPC );
  24         var opera6_bugs = is_opera_preseven;
  25         var opera7_bugs = is_opera_seven && !is_opera_95;
  26         var opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  27 }
  28
  29 // Global external objects used by this script.
  30 /*extern ta, stylepath, skin */
  31
  32 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  33 var doneOnloadHook;
  34
  35 if (!window.onloadFuncts) {
  36         var onloadFuncts = [];
  37 }
  38
  39 function addOnloadHook(hookFunct) {
  40         // Allows add-on scripts to add onload functions
  41         if(!doneOnloadHook) {
  42                 onloadFuncts[onloadFuncts.length] = hookFunct;
  43         } else {
  44                 hookFunct();  // bug in MSIE script loading
  45         }
  46 }
  47
  48 function hookEvent(hookName, hookFunct) {
  49         addHandler(window, hookName, hookFunct);
  50 }
  51
  52 function importScript(page) {
  53         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  54         var uri = wgScript + '?title=' +
  55                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  56                 '&action=raw&ctype=text/javascript';
  57         return importScriptURI(uri);
  58 }
  59
  60 var loadedScripts = {}; // included-scripts tracker
  61 function importScriptURI(url) {
  62         if (loadedScripts[url]) {
  63                 return null;
  64         }
  65         loadedScripts[url] = true;
  66         var s = document.createElement('script');
  67         s.setAttribute('src',url);
  68         s.setAttribute('type','text/javascript');
  69         document.getElementsByTagName('head')[0].appendChild(s);
  70         return s;
  71 }
  72
  73 function importStylesheet(page) {
  74         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  75 }
  76
  77 function importStylesheetURI(url,media) {
  78         var l = document.createElement('link');
  79         l.type = 'text/css';
  80         l.rel = 'stylesheet';
  81         l.href = url;
  82         if(media) l.media = media
  83         document.getElementsByTagName('head')[0].appendChild(l);
  84         return l;
  85 }
  86
  87 function appendCSS(text) {
  88         var s = document.createElement('style');
  89         s.type = 'text/css';
  90         s.rel = 'stylesheet';
  91         if (s.styleSheet) s.styleSheet.cssText = text //IE
  92         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  93         document.getElementsByTagName('head')[0].appendChild(s);
  94         return s;
  95 }
  96
  97 // special stylesheet links
  98 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  99         // FIXME: This tries to load the stylesheets even for skins where they
 100         // don't exist, i.e., everything but Monobook.
 101         if (opera6_bugs) {
 102                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 103         } else if (opera7_bugs) {
 104                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 105         } else if (opera95_bugs) {
 106                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 107         } else if (ff2_bugs) {
 108                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 109         }
 110 }
 111
 112 if (wgBreakFrames) {
 113         // Un-trap us from framesets
 114         if (window.top != window) {
 115                 window.top.location = window.location;
 116         }
 117 }
 118
 119 function showTocToggle() {
 120         if (document.createTextNode) {
 121                 // Uses DOM calls to avoid document.write + XHTML issues
 122
 123                 var linkHolder = document.getElementById('toctitle');
 124                 var existingLink = document.getElementById('togglelink');
 125                 if (!linkHolder || existingLink) {
 126                         // Don't add the toggle link twice
 127                         return;
 128                 }
 129
 130                 var outerSpan = document.createElement('span');
 131                 outerSpan.className = 'toctoggle';
 132
 133                 var toggleLink = document.createElement('a');
 134                 toggleLink.id = 'togglelink';
 135                 toggleLink.className = 'internal';
 136                 toggleLink.href = 'javascript:toggleToc()';
 137                 toggleLink.appendChild(document.createTextNode(tocHideText));
 138
 139                 outerSpan.appendChild(document.createTextNode('['));
 140                 outerSpan.appendChild(toggleLink);
 141                 outerSpan.appendChild(document.createTextNode(']'));
 142
 143                 linkHolder.appendChild(document.createTextNode(' '));
 144                 linkHolder.appendChild(outerSpan);
 145
 146                 var cookiePos = document.cookie.indexOf("hidetoc=");
 147                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 148                         toggleToc();
 149                 }
 150         }
 151 }
 152
 153 function changeText(el, newText) {
 154         // Safari work around
 155         if (el.innerText) {
 156                 el.innerText = newText;
 157         } else if (el.firstChild && el.firstChild.nodeValue) {
 158                 el.firstChild.nodeValue = newText;
 159         }
 160 }
 161
 162 function toggleToc() {
 163         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 164         var toggleLink = document.getElementById('togglelink');
 165
 166         if (toc && toggleLink && toc.style.display == 'none') {
 167                 changeText(toggleLink, tocHideText);
 168                 toc.style.display = 'block';
 169                 document.cookie = "hidetoc=0";
 170         } else {
 171                 changeText(toggleLink, tocShowText);
 172                 toc.style.display = 'none';
 173                 document.cookie = "hidetoc=1";
 174         }
 175 }
 176
 177 var mwEditButtons = [];
 178 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 179
 180 function escapeQuotes(text) {
 181         var re = new RegExp("'","g");
 182         text = text.replace(re,"\\'");
 183         re = new RegExp("\\n","g");
 184         text = text.replace(re,"\\n");
 185         return escapeQuotesHTML(text);
 186 }
 187
 188 function escapeQuotesHTML(text) {
 189         var re = new RegExp('&',"g");
 190         text = text.replace(re,"&amp;");
 191         re = new RegExp('"',"g");
 192         text = text.replace(re,"&quot;");
 193         re = new RegExp('<',"g");
 194         text = text.replace(re,"&lt;");
 195         re = new RegExp('>',"g");
 196         text = text.replace(re,"&gt;");
 197         return text;
 198 }
 199
 200
 201 /**
 202  * Set the accesskey prefix based on browser detection.
 203  */
 204 var tooltipAccessKeyPrefix = 'alt-';
 205 if (is_opera) {
 206         tooltipAccessKeyPrefix = 'shift-esc-';
 207 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 208         tooltipAccessKeyPrefix = 'ctrl-alt-';
 209 } else if (!is_safari_win && (is_safari
 210                 || clientPC.indexOf('mac') != -1
 211                 || clientPC.indexOf('konqueror') != -1 )) {
 212         tooltipAccessKeyPrefix = 'ctrl-';
 213 } else if (is_ff2) {
 214         tooltipAccessKeyPrefix = 'alt-shift-';
 215 }
 216 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 217
 218 /**
 219  * Add the appropriate prefix to the accesskey shown in the tooltip.
 220  * If the nodeList parameter is given, only those nodes are updated;
 221  * otherwise, all the nodes that will probably have accesskeys by
 222  * default are updated.
 223  *
 224  * @param Array nodeList -- list of elements to update
 225  */
 226 function updateTooltipAccessKeys( nodeList ) {
 227         if ( !nodeList ) {
 228                 // skins without a "column-one" element don't seem to have links with accesskeys either
 229                 var columnOne = document.getElementById("column-one");
 230                 if ( columnOne )
 231                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 232                 // these are rare enough that no such optimization is needed
 233                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 234                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 235                 return;
 236         }
 237
 238         for ( var i = 0; i < nodeList.length; i++ ) {
 239                 var element = nodeList[i];
 240                 var tip = element.getAttribute("title");
 241                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 242                         tip = tip.replace(tooltipAccessKeyRegexp,
 243                                           "["+tooltipAccessKeyPrefix+"$5]");
 244                         element.setAttribute("title", tip );
 245                 }
 246         }
 247 }
 248
 249 /**
 250  * Add a link to one of the portlet menus on the page, including:
 251  *
 252  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 253  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 254  * p-navigation: Navigation
 255  * p-tb: Toolbox
 256  *
 257  * This function exists for the convenience of custom JS authors.  All
 258  * but the first three parameters are optional, though providing at
 259  * least an id and a tooltip is recommended.
 260  *
 261  * By default the new link will be added to the end of the list.  To
 262  * add the link before a given existing item, pass the DOM node of
 263  * that item (easily obtained with document.getElementById()) as the
 264  * nextnode parameter; to add the link _after_ an existing item, pass
 265  * the node's nextSibling instead.
 266  *
 267  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 268  * @param String href -- link URL
 269  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 270  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 271  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 272  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 273  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 274  *
 275  * @return Node -- the DOM node of the new item (an LI element) or null
 276  */
 277 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 278         var node = document.getElementById(portlet);
 279         if ( !node ) return null;
 280         node = node.getElementsByTagName( "ul" )[0];
 281         if ( !node ) return null;
 282
 283         var link = document.createElement( "a" );
 284         link.appendChild( document.createTextNode( text ) );
 285         link.href = href;
 286
 287         var item = document.createElement( "li" );
 288         item.appendChild( link );
 289         if ( id ) item.id = id;
 290
 291         if ( accesskey ) {
 292                 link.setAttribute( "accesskey", accesskey );
 293                 tooltip += " ["+accesskey+"]";
 294         }
 295         if ( tooltip ) {
 296                 link.setAttribute( "title", tooltip );
 297         }
 298         if ( accesskey && tooltip ) {
 299                 updateTooltipAccessKeys( new Array( link ) );
 300         }
 301
 302         if ( nextnode && nextnode.parentNode == node )
 303                 node.insertBefore( item, nextnode );
 304         else
 305                 node.appendChild( item );  // IE compatibility (?)
 306
 307         return item;
 308 }
 309
 310 function getInnerText(el) {
 311         if (typeof el == "string") return el;
 312         if (typeof el == "undefined") { return el };
 313         if (el.textContent) return el.textContent; // not needed but it is faster
 314         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 315         var str = "";
 316
 317         var cs = el.childNodes;
 318         var l = cs.length;
 319         for (var i = 0; i < l; i++) {
 320                 switch (cs[i].nodeType) {
 321                         case 1: //ELEMENT_NODE
 322                                 str += ts_getInnerText(cs[i]);
 323                                 break;
 324                         case 3: //TEXT_NODE
 325                                 str += cs[i].nodeValue;
 326                                 break;
 327                 }
 328         }
 329         return str;
 330 }
 331
 332
 333 /**
 334  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 335  * is specified, only set up for that id.  Note that this function is
 336  * deprecated and will not be supported indefinitely -- use
 337  * updateTooltipAccessKey() instead.
 338  *
 339  * @param mixed doId string or null
 340  */
 341 function akeytt( doId ) {
 342         // A lot of user scripts (and some of the code below) break if
 343         // ta isn't defined, so we make sure it is.  Explictly using
 344         // window.ta avoids a "ta is not defined" error.
 345         if (!window.ta) window.ta = new Array;
 346
 347         // Make a local, possibly restricted, copy to avoid clobbering
 348         // the original.
 349         var ta;
 350         if ( doId ) {
 351                 ta = [doId];
 352         } else {
 353                 ta = window.ta;
 354         }
 355
 356         // Now deal with evil deprecated ta
 357         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 358         for (var id in ta) {
 359                 var n = document.getElementById(id);
 360                 if (n) {
 361                         var a = null;
 362                         var ak = '';
 363                         // Are we putting accesskey in it
 364                         if (ta[id][0].length > 0) {
 365                                 // Is this object a object? If not assume it's the next child.
 366
 367                                 if (n.nodeName.toLowerCase() == "a") {
 368                                         a = n;
 369                                 } else {
 370                                         a = n.childNodes[0];
 371                                 }
 372                                 // Don't add an accesskey for the watch tab if the watch
 373                                 // checkbox is also available.
 374                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 375                                         a.accessKey = ta[id][0];
 376                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 377                                 }
 378                         } else {
 379                                 // We don't care what type the object is when assigning tooltip
 380                                 a = n;
 381                                 ak = '';
 382                         }
 383
 384                         if (a) {
 385                                 a.title = ta[id][1]+ak;
 386                         }
 387                 }
 388         }
 389 }
 390
 391 var checkboxes;
 392 var lastCheckbox;
 393
 394 function setupCheckboxShiftClick() {
 395         checkboxes = [];
 396         lastCheckbox = null;
 397         var inputs = document.getElementsByTagName('input');
 398         addCheckboxClickHandlers(inputs);
 399 }
 400
 401 function addCheckboxClickHandlers(inputs, start) {
 402         if ( !start) start = 0;
 403
 404         var finish = start + 250;
 405         if ( finish > inputs.length )
 406                 finish = inputs.length;
 407
 408         for ( var i = start; i < finish; i++ ) {
 409                 var cb = inputs[i];
 410                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 411                         continue;
 412                 var end = checkboxes.length;
 413                 checkboxes[end] = cb;
 414                 cb.index = end;
 415                 cb.onclick = checkboxClickHandler;
 416         }
 417
 418         if ( finish < inputs.length ) {
 419                 setTimeout( function () {
 420                         addCheckboxClickHandlers(inputs, finish);
 421                 }, 200 );
 422         }
 423 }
 424
 425 function checkboxClickHandler(e) {
 426         if (typeof e == 'undefined') {
 427                 e = window.event;
 428         }
 429         if ( !e.shiftKey || lastCheckbox === null ) {
 430                 lastCheckbox = this.index;
 431                 return true;
 432         }
 433         var endState = this.checked;
 434         var start, finish;
 435         if ( this.index < lastCheckbox ) {
 436                 start = this.index + 1;
 437                 finish = lastCheckbox;
 438         } else {
 439                 start = lastCheckbox;
 440                 finish = this.index - 1;
 441         }
 442         for (var i = start; i <= finish; ++i ) {
 443                 checkboxes[i].checked = endState;
 444                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 445                         checkboxes[i].onchange(); // fire triggers
 446         }
 447         lastCheckbox = this.index;
 448         return true;
 449 }
 450
 451 function toggle_element_activation(ida,idb) {
 452         if (!document.getElementById) {
 453                 return;
 454         }
 455         document.getElementById(ida).disabled=true;
 456         document.getElementById(idb).disabled=false;
 457 }
 458
 459 function toggle_element_check(ida,idb) {
 460         if (!document.getElementById) {
 461                 return;
 462         }
 463         document.getElementById(ida).checked=true;
 464         document.getElementById(idb).checked=false;
 465 }
 466
 467 /*
 468         Written by Jonathan Snook, http://www.snook.ca/jonathan
 469         Add-ons by Robert Nyman, http://www.robertnyman.com
 470         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 471         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 472 */
 473 function getElementsByClassName(oElm, strTagName, oClassNames){
 474         var arrReturnElements = new Array();
 475         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 476                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 477                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 478                 if ( strTagName == "*" )
 479                         return arrNativeReturn;
 480                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 481                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 482                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 483                 }
 484                 return arrReturnElements;
 485         }
 486         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 487         var arrRegExpClassNames = new Array();
 488         if(typeof oClassNames == "object"){
 489                 for(var i=0; i<oClassNames.length; i++){
 490                         arrRegExpClassNames[arrRegExpClassNames.length] =
 491                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 492                 }
 493         }
 494         else{
 495                 arrRegExpClassNames[arrRegExpClassNames.length] =
 496                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 497         }
 498         var oElement;
 499         var bMatchesAll;
 500         for(var j=0; j<arrElements.length; j++){
 501                 oElement = arrElements[j];
 502                 bMatchesAll = true;
 503                 for(var k=0; k<arrRegExpClassNames.length; k++){
 504                         if(!arrRegExpClassNames[k].test(oElement.className)){
 505                                 bMatchesAll = false;
 506                                 break;
 507                         }
 508                 }
 509                 if(bMatchesAll){
 510                         arrReturnElements[arrReturnElements.length] = oElement;
 511                 }
 512         }
 513         return (arrReturnElements)
 514 }
 515
 516 function redirectToFragment(fragment) {
 517         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 518         if (match) {
 519                 var webKitVersion = parseInt(match[1]);
 520                 if (webKitVersion < 420) {
 521                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 522                         // Nightlies of 420+ are ok
 523                         return;
 524                 }
 525         }
 526         if (is_gecko) {
 527                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 528                 addOnloadHook(function () {
 529                         if (window.location.hash == "")
 530                                 window.location.hash = fragment;
 531                 });
 532         } else {
 533                 if (window.location.hash == "")
 534                         window.location.hash = fragment;
 535         }
 536 }
 537
 538 /*
 539  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 540  * de Valk:
 541  * http://www.joostdevalk.nl/code/sortable-table/
 542  * http://www.kryogenix.org/code/browser/sorttable/
 543  *
 544  * @todo don't break on colspans/rowspans (bug 8028)
 545  * @todo language-specific digit grouping/decimals (bug 8063)
 546  * @todo support all accepted date formats (bug 8226)
 547  */
 548
 549 var ts_image_path = stylepath+"/common/images/";
 550 var ts_image_up = "sort_up.gif";
 551 var ts_image_down = "sort_down.gif";
 552 var ts_image_none = "sort_none.gif";
 553 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 554 var ts_alternate_row_colors = false;
 555 var ts_number_transform_table = null;
 556 var ts_number_regex = null;
 557
 558 function sortables_init() {
 559         var idnum = 0;
 560         // Find all tables with class sortable and make them sortable
 561         var tables = getElementsByClassName(document, "table", "sortable");
 562         for (var ti = 0; ti < tables.length ; ti++) {
 563                 if (!tables[ti].id) {
 564                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 565                         ++idnum;
 566                 }
 567                 ts_makeSortable(tables[ti]);
 568         }
 569 }
 570
 571 function ts_makeSortable(table) {
 572         var firstRow;
 573         if (table.rows && table.rows.length > 0) {
 574                 if (table.tHead && table.tHead.rows.length > 0) {
 575                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 576                 } else {
 577                         firstRow = table.rows[0];
 578                 }
 579         }
 580         if (!firstRow) return;
 581
 582         // We have a first row: assume it's the header, and make its contents clickable links
 583         for (var i = 0; i < firstRow.cells.length; i++) {
 584                 var cell = firstRow.cells[i];
 585                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 586                         cell.innerHTML += '&nbsp;&nbsp;'
 587                                 + '<a href="#" class="sortheader" '
 588                                 + 'onclick="ts_resortTable(this);return false;">'
 589                                 + '<span class="sortarrow">'
 590                                 + '<img src="'
 591                                 + ts_image_path
 592                                 + ts_image_none
 593                                 + '" alt="&darr;"/></span></a>';
 594                 }
 595         }
 596         if (ts_alternate_row_colors) {
 597                 ts_alternate(table);
 598         }
 599 }
 600
 601 function ts_getInnerText(el) {
 602         return getInnerText( el );
 603 }
 604
 605 function ts_resortTable(lnk) {
 606         // get the span
 607         var span = lnk.getElementsByTagName('span')[0];
 608
 609         var td = lnk.parentNode;
 610         var tr = td.parentNode;
 611         var column = td.cellIndex;
 612
 613         var table = tr.parentNode;
 614         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 615                 table = table.parentNode;
 616         if (!table) return;
 617
 618         if (table.rows.length <= 1) return;
 619
 620         // Generate the number transform table if it's not done already
 621         if (ts_number_transform_table == null) {
 622                 ts_initTransformTable();
 623         }
 624
 625         // Work out a type for the column
 626         // Skip the first row if that's where the headings are
 627         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 628
 629         var itm = "";
 630         for (var i = rowStart; i < table.rows.length; i++) {
 631                 if (table.rows[i].cells.length > column) {
 632                         itm = ts_getInnerText(table.rows[i].cells[column]);
 633                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 634                         if (itm != "") break;
 635                 }
 636         }
 637
 638         // TODO: bug 8226, localised date formats
 639         var sortfn = ts_sort_generic;
 640         var preprocessor = ts_toLowerCase;
 641         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 642                 preprocessor = ts_dateToSortKey;
 643         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 644                 preprocessor = ts_dateToSortKey;
 645         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 646                 preprocessor = ts_dateToSortKey;
 647         // pound dollar euro yen currency cents
 648         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 649                 preprocessor = ts_currencyToSortKey;
 650         } else if (ts_number_regex.test(itm)) {
 651                 preprocessor = ts_parseFloat;
 652         }
 653
 654         var reverse = (span.getAttribute("sortdir") == 'down');
 655
 656         var newRows = new Array();
 657         var staticRows = new Array();
 658         for (var j = rowStart; j < table.rows.length; j++) {
 659                 var row = table.rows[j];
 660                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 661                         var keyText = ts_getInnerText(row.cells[column]);
 662                         var oldIndex = (reverse ? -j : j);
 663                         var preprocessed = preprocessor( keyText );
 664
 665                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 666                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 667         }
 668
 669         newRows.sort(sortfn);
 670
 671         var arrowHTML;
 672         if (reverse) {
 673                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 674                 newRows.reverse();
 675                 span.setAttribute('sortdir','up');
 676         } else {
 677                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 678                 span.setAttribute('sortdir','down');
 679         }
 680
 681         for (var i = 0; i < staticRows.length; i++) {
 682                 var row = staticRows[i];
 683                 newRows.splice(row[2], 0, row);
 684         }
 685
 686         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 687         // don't do sortbottom rows
 688         for (var i = 0; i < newRows.length; i++) {
 689                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 690                         table.tBodies[0].appendChild(newRows[i][0]);
 691         }
 692         // do sortbottom rows only
 693         for (var i = 0; i < newRows.length; i++) {
 694                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 695                         table.tBodies[0].appendChild(newRows[i][0]);
 696         }
 697
 698         // Delete any other arrows there may be showing
 699         var spans = getElementsByClassName(tr, "span", "sortarrow");
 700         for (var i = 0; i < spans.length; i++) {
 701                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 702         }
 703         span.innerHTML = arrowHTML;
 704
 705         if (ts_alternate_row_colors) {
 706                 ts_alternate(table);
 707         }
 708 }
 709
 710 function ts_initTransformTable() {
 711         if ( typeof wgSeparatorTransformTable == "undefined"
 712                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 713         {
 714                 digitClass = "[0-9,.]";
 715                 ts_number_transform_table = false;
 716         } else {
 717                 ts_number_transform_table = {};
 718                 // Unpack the transform table
 719                 // Separators
 720                 ascii = wgSeparatorTransformTable[0].split("\t");
 721                 localised = wgSeparatorTransformTable[1].split("\t");
 722                 for ( var i = 0; i < ascii.length; i++ ) {
 723                         ts_number_transform_table[localised[i]] = ascii[i];
 724                 }
 725                 // Digits
 726                 ascii = wgDigitTransformTable[0].split("\t");
 727                 localised = wgDigitTransformTable[1].split("\t");
 728                 for ( var i = 0; i < ascii.length; i++ ) {
 729                         ts_number_transform_table[localised[i]] = ascii[i];
 730                 }
 731
 732                 // Construct regex for number identification
 733                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 734                 maxDigitLength = 1;
 735                 for ( var digit in ts_number_transform_table ) {
 736                         // Escape regex metacharacters
 737                         digits.push(
 738                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 739                                         function( s ) { return '\\' + s; } )
 740                         );
 741                         if (digit.length > maxDigitLength) {
 742                                 maxDigitLength = digit.length;
 743                         }
 744                 }
 745                 if ( maxDigitLength > 1 ) {
 746                         digitClass = '[' + digits.join( '', digits ) + ']';
 747                 } else {
 748                         digitClass = '(' + digits.join( '|', digits ) + ')';
 749                 }
 750         }
 751
 752         // We allow a trailing percent sign, which we just strip.  This works fine
 753         // if percents and regular numbers aren't being mixed.
 754         ts_number_regex = new RegExp(
 755                 "^(" +
 756                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 757                         "|" +
 758                         "[+-]?" + digitClass + "+%?" + // Generic localised
 759                 ")$", "i"
 760         );
 761 }
 762
 763 function ts_toLowerCase( s ) {
 764         return s.toLowerCase();
 765 }
 766
 767 function ts_dateToSortKey(date) {
 768         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 769         if (date.length == 11) {
 770                 switch (date.substr(3,3).toLowerCase()) {
 771                         case "jan": var month = "01"; break;
 772                         case "feb": var month = "02"; break;
 773                         case "mar": var month = "03"; break;
 774                         case "apr": var month = "04"; break;
 775                         case "may": var month = "05"; break;
 776                         case "jun": var month = "06"; break;
 777                         case "jul": var month = "07"; break;
 778                         case "aug": var month = "08"; break;
 779                         case "sep": var month = "09"; break;
 780                         case "oct": var month = "10"; break;
 781                         case "nov": var month = "11"; break;
 782                         case "dec": var month = "12"; break;
 783                         // default: var month = "00";
 784                 }
 785                 return date.substr(7,4)+month+date.substr(0,2);
 786         } else if (date.length == 10) {
 787                 if (ts_europeandate == false) {
 788                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 789                 } else {
 790                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 791                 }
 792         } else if (date.length == 8) {
 793                 yr = date.substr(6,2);
 794                 if (parseInt(yr) < 50) {
 795                         yr = '20'+yr;
 796                 } else {
 797                         yr = '19'+yr;
 798                 }
 799                 if (ts_europeandate == true) {
 800                         return yr+date.substr(3,2)+date.substr(0,2);
 801                 } else {
 802                         return yr+date.substr(0,2)+date.substr(3,2);
 803                 }
 804         }
 805         return "00000000";
 806 }
 807
 808 function ts_parseFloat( s ) {
 809         if ( !s ) {
 810                 return 0;
 811         }
 812         if (ts_number_transform_table != false) {
 813                 var newNum = '', c;
 814
 815                 for ( var p = 0; p < s.length; p++ ) {
 816                         c = s.charAt( p );
 817                         if (c in ts_number_transform_table) {
 818                                 newNum += ts_number_transform_table[c];
 819                         } else {
 820                                 newNum += c;
 821                         }
 822                 }
 823                 s = newNum;
 824         }
 825
 826         num = parseFloat(s.replace(/,/g, ""));
 827         return (isNaN(num) ? 0 : num);
 828 }
 829
 830 function ts_currencyToSortKey( s ) {
 831         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 832 }
 833
 834 function ts_sort_generic(a, b) {
 835         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 836 }
 837
 838 function ts_alternate(table) {
 839         // Take object table and get all it's tbodies.
 840         var tableBodies = table.getElementsByTagName("tbody");
 841         // Loop through these tbodies
 842         for (var i = 0; i < tableBodies.length; i++) {
 843                 // Take the tbody, and get all it's rows
 844                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 845                 // Loop through these rows
 846                 // Start at 1 because we want to leave the heading row untouched
 847                 for (var j = 0; j < tableRows.length; j++) {
 848                         // Check if j is even, and apply classes for both possible results
 849                         var oldClasses = tableRows[j].className.split(" ");
 850                         var newClassName = "";
 851                         for (var k = 0; k < oldClasses.length; k++) {
 852                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 853                                         newClassName += oldClasses[k] + " ";
 854                         }
 855                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 856                 }
 857         }
 858 }
 859
 860 /*
 861  * End of table sorting code
 862  */
 863
 864
 865 /**
 866  * Add a cute little box at the top of the screen to inform the user of
 867  * something, replacing any preexisting message.
 868  *
 869  * @param String -or- Dom Object message HTML to be put inside the right div
 870  * @param String className   Used in adding a class; should be different for each
 871  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 872  * @return Boolean       True on success, false on failure
 873  */
 874 function jsMsg( message, className ) {
 875         if ( !document.getElementById ) {
 876                 return false;
 877         }
 878         // We special-case skin structures provided by the software.  Skins that
 879         // choose to abandon or significantly modify our formatting can just define
 880         // an mw-js-message div to start with.
 881         var messageDiv = document.getElementById( 'mw-js-message' );
 882         if ( !messageDiv ) {
 883                 messageDiv = document.createElement( 'div' );
 884                 if ( document.getElementById( 'column-content' )
 885                 && document.getElementById( 'content' ) ) {
 886                         // MonoBook, presumably
 887                         document.getElementById( 'content' ).insertBefore(
 888                                 messageDiv,
 889                                 document.getElementById( 'content' ).firstChild
 890                         );
 891                 } else if ( document.getElementById('content')
 892                 && document.getElementById( 'article' ) ) {
 893                         // Non-Monobook but still recognizable (old-style)
 894                         document.getElementById( 'article').insertBefore(
 895                                 messageDiv,
 896                                 document.getElementById( 'article' ).firstChild
 897                         );
 898                 } else {
 899                         return false;
 900                 }
 901         }
 902
 903         messageDiv.setAttribute( 'id', 'mw-js-message' );
 904         messageDiv.style.display = 'block';
 905         if( className ) {
 906                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 907         }
 908
 909         if (typeof message === 'object') {
 910                 while (messageDiv.hasChildNodes()) // Remove old content
 911                         messageDiv.removeChild(messageDiv.firstChild);
 912                 messageDiv.appendChild (message); // Append new content
 913         }
 914         else {
 915                 messageDiv.innerHTML = message;
 916         }
 917         return true;
 918 }
 919
 920 /**
 921  * Inject a cute little progress spinner after the specified element
 922  *
 923  * @param element Element to inject after
 924  * @param id Identifier string (for use with removeSpinner(), below)
 925  */
 926 function injectSpinner( element, id ) {
 927         var spinner = document.createElement( "img" );
 928         spinner.id = "mw-spinner-" + id;
 929         spinner.src = stylepath + "/common/images/spinner.gif";
 930         spinner.alt = spinner.title = "...";
 931         if( element.nextSibling ) {
 932                 element.parentNode.insertBefore( spinner, element.nextSibling );
 933         } else {
 934                 element.parentNode.appendChild( spinner );
 935         }
 936 }
 937
 938 /**
 939  * Remove a progress spinner added with injectSpinner()
 940  *
 941  * @param id Identifier string
 942  */
 943 function removeSpinner( id ) {
 944         var spinner = document.getElementById( "mw-spinner-" + id );
 945         if( spinner ) {
 946                 spinner.parentNode.removeChild( spinner );
 947         }
 948 }
 949
 950 function runOnloadHook() {
 951         // don't run anything below this for non-dom browsers
 952         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 953                 return;
 954         }
 955
 956         // set this before running any hooks, since any errors below
 957         // might cause the function to terminate prematurely
 958         doneOnloadHook = true;
 959
 960         updateTooltipAccessKeys( null );
 961         akeytt( null );
 962         setupCheckboxShiftClick();
 963         sortables_init();
 964
 965         // Run any added-on functions
 966         for (var i = 0; i < onloadFuncts.length; i++) {
 967                 onloadFuncts[i]();
 968         }
 969 }
 970
 971 /**
 972  * Add an event handler to an element
 973  *
 974  * @param Element element Element to add handler to
 975  * @param String attach Event to attach to
 976  * @param callable handler Event handler callback
 977  */
 978 function addHandler( element, attach, handler ) {
 979         if( window.addEventListener ) {
 980                 element.addEventListener( attach, handler, false );
 981         } else if( window.attachEvent ) {
 982                 element.attachEvent( 'on' + attach, handler );
 983         }
 984 }
 985
 986 /**
 987  * Add a click event handler to an element
 988  *
 989  * @param Element element Element to add handler to
 990  * @param callable handler Event handler callback
 991  */
 992 function addClickHandler( element, handler ) {
 993         addHandler( element, 'click', handler );
 994 }
 995
 996 /**
 997  * Removes an event handler from an element
 998  *
 999  * @param Element element Element to remove handler from
1000  * @param String remove Event to remove
1001  * @param callable handler Event handler callback to remove
1002  */
1003 function removeHandler( element, remove, handler ) {
1004         if( window.removeEventListener ) {
1005                 element.removeEventListener( remove, handler, false );
1006         } else if( window.detachEvent ) {
1007                 element.detachEvent( 'on' + remove, handler );
1008         }
1009 }
1010 //note: all skins should call runOnloadHook() at the end of html output,
1011 //      so the below should be redundant. It's there just in case.
1012 hookEvent("load", runOnloadHook);