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 var is_ff2_ = /firefox\/2/.test( clientPC );
  18 // These aren't used here, but some custom scripts rely on them
  19 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  20 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  21 if (clientPC.indexOf('opera') != -1) {
  22         var is_opera = true;
  23         var is_opera_preseven = window.opera && !document.childNodes;
  24         var is_opera_seven = window.opera && document.childNodes;
  25         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  26 }
  27
  28 // Global external objects used by this script.
  29 /*extern ta, stylepath, skin */
  30
  31 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  32 var doneOnloadHook;
  33
  34 if (!window.onloadFuncts) {
  35         var onloadFuncts = [];
  36 }
  37
  38 function addOnloadHook(hookFunct) {
  39         // Allows add-on scripts to add onload functions
  40         if(!doneOnloadHook) {
  41                 onloadFuncts[onloadFuncts.length] = hookFunct;
  42         } else {
  43                 hookFunct();  // bug in MSIE script loading
  44         }
  45 }
  46
  47 function hookEvent(hookName, hookFunct) {
  48         addHandler(window, hookName, hookFunct);
  49 }
  50
  51 function importScript(page) {
  52         var uri = wgScript + '?title=' +
  53                 encodeURIComponent(page.replace(/ /g,'_')).replace('%2F','/').replace('%3A',':') +
  54                 '&action=raw&ctype=text/javascript';
  55         return importScriptURI(uri);
  56 }
  57
  58 var loadedScripts = {}; // included-scripts tracker
  59 function importScriptURI(url) {
  60         if (loadedScripts[url]) {
  61                 return null;
  62         }
  63         loadedScripts[url] = true;
  64         var s = document.createElement('script');
  65         s.setAttribute('src',url);
  66         s.setAttribute('type','text/javascript');
  67         document.getElementsByTagName('head')[0].appendChild(s);
  68         return s;
  69 }
  70
  71 function importStylesheet(page) {
  72         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  73 }
  74
  75 function importStylesheetURI(url) {
  76         return document.createStyleSheet ? document.createStyleSheet(url) : appendCSS('@import "' + url + '";');
  77 }
  78
  79 function appendCSS(text) {
  80         var s = document.createElement('style');
  81         s.type = 'text/css';
  82         s.rel = 'stylesheet';
  83         if (s.styleSheet) s.styleSheet.cssText = text //IE
  84         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  85         document.getElementsByTagName('head')[0].appendChild(s);
  86         return s;
  87 }
  88
  89 // special stylesheet links
  90 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  91         if (is_opera_preseven) {
  92                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
  93         } else if (is_opera_seven && !is_opera_95) {
  94                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
  95         } else if (is_opera_95) {
  96           importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
  97         } else if (is_khtml) {
  98                 importStylesheetURI(stylepath+'/'+skin+'/KHTMLFixes.css');
  99         } else if (is_ff2_) {
 100           importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 101         }
 102 }
 103
 104 if (wgBreakFrames) {
 105         // Un-trap us from framesets
 106         if (window.top != window) {
 107                 window.top.location = window.location;
 108         }
 109 }
 110
 111 function showTocToggle() {
 112         if (document.createTextNode) {
 113                 // Uses DOM calls to avoid document.write + XHTML issues
 114
 115                 var linkHolder = document.getElementById('toctitle');
 116                 if (!linkHolder) {
 117                         return;
 118                 }
 119
 120                 var outerSpan = document.createElement('span');
 121                 outerSpan.className = 'toctoggle';
 122
 123                 var toggleLink = document.createElement('a');
 124                 toggleLink.id = 'togglelink';
 125                 toggleLink.className = 'internal';
 126                 toggleLink.href = 'javascript:toggleToc()';
 127                 toggleLink.appendChild(document.createTextNode(tocHideText));
 128
 129                 outerSpan.appendChild(document.createTextNode('['));
 130                 outerSpan.appendChild(toggleLink);
 131                 outerSpan.appendChild(document.createTextNode(']'));
 132
 133                 linkHolder.appendChild(document.createTextNode(' '));
 134                 linkHolder.appendChild(outerSpan);
 135
 136                 var cookiePos = document.cookie.indexOf("hidetoc=");
 137                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 138                         toggleToc();
 139                 }
 140         }
 141 }
 142
 143 function changeText(el, newText) {
 144         // Safari work around
 145         if (el.innerText) {
 146                 el.innerText = newText;
 147         } else if (el.firstChild && el.firstChild.nodeValue) {
 148                 el.firstChild.nodeValue = newText;
 149         }
 150 }
 151
 152 function toggleToc() {
 153         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 154         var toggleLink = document.getElementById('togglelink');
 155
 156         if (toc && toggleLink && toc.style.display == 'none') {
 157                 changeText(toggleLink, tocHideText);
 158                 toc.style.display = 'block';
 159                 document.cookie = "hidetoc=0";
 160         } else {
 161                 changeText(toggleLink, tocShowText);
 162                 toc.style.display = 'none';
 163                 document.cookie = "hidetoc=1";
 164         }
 165 }
 166
 167 var mwEditButtons = [];
 168 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 169
 170 function escapeQuotes(text) {
 171         var re = new RegExp("'","g");
 172         text = text.replace(re,"\\'");
 173         re = new RegExp("\\n","g");
 174         text = text.replace(re,"\\n");
 175         return escapeQuotesHTML(text);
 176 }
 177
 178 function escapeQuotesHTML(text) {
 179         var re = new RegExp('&',"g");
 180         text = text.replace(re,"&amp;");
 181         re = new RegExp('"',"g");
 182         text = text.replace(re,"&quot;");
 183         re = new RegExp('<',"g");
 184         text = text.replace(re,"&lt;");
 185         re = new RegExp('>',"g");
 186         text = text.replace(re,"&gt;");
 187         return text;
 188 }
 189
 190
 191 /**
 192  * Set the accesskey prefix based on browser detection.
 193  */
 194 var tooltipAccessKeyPrefix = 'alt-';
 195 if (is_opera) {
 196         tooltipAccessKeyPrefix = 'shift-esc-';
 197 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 198         tooltipAccessKeyPrefix = 'ctrl-alt-';
 199 } else if (!is_safari_win && (is_safari
 200                 || clientPC.indexOf('mac') != -1
 201                 || clientPC.indexOf('konqueror') != -1 )) {
 202         tooltipAccessKeyPrefix = 'ctrl-';
 203 } else if (is_ff2) {
 204         tooltipAccessKeyPrefix = 'alt-shift-';
 205 }
 206 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 207
 208 /**
 209  * Add the appropriate prefix to the accesskey shown in the tooltip.
 210  * If the nodeList parameter is given, only those nodes are updated;
 211  * otherwise, all the nodes that will probably have accesskeys by
 212  * default are updated.
 213  *
 214  * @param Array nodeList -- list of elements to update
 215  */
 216 function updateTooltipAccessKeys( nodeList ) {
 217         if ( !nodeList ) {
 218                 // skins without a "column-one" element don't seem to have links with accesskeys either
 219                 var columnOne = document.getElementById("column-one");
 220                 if ( columnOne )
 221                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 222                 // these are rare enough that no such optimization is needed
 223                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 224                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 225                 return;
 226         }
 227
 228         for ( var i = 0; i < nodeList.length; i++ ) {
 229                 var element = nodeList[i];
 230                 var tip = element.getAttribute("title");
 231                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 232                         tip = tip.replace(tooltipAccessKeyRegexp,
 233                                           "["+tooltipAccessKeyPrefix+"$5]");
 234                         element.setAttribute("title", tip );
 235                 }
 236         }
 237 }
 238
 239 /**
 240  * Add a link to one of the portlet menus on the page, including:
 241  *
 242  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 243  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 244  * p-navigation: Navigation
 245  * p-tb: Toolbox
 246  *
 247  * This function exists for the convenience of custom JS authors.  All
 248  * but the first three parameters are optional, though providing at
 249  * least an id and a tooltip is recommended.
 250  *
 251  * By default the new link will be added to the end of the list.  To
 252  * add the link before a given existing item, pass the DOM node of
 253  * that item (easily obtained with document.getElementById()) as the
 254  * nextnode parameter; to add the link _after_ an existing item, pass
 255  * the node's nextSibling instead.
 256  *
 257  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 258  * @param String href -- link URL
 259  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 260  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 261  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 262  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 263  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 264  *
 265  * @return Node -- the DOM node of the new item (an LI element) or null
 266  */
 267 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 268         var node = document.getElementById(portlet);
 269         if ( !node ) return null;
 270         node = node.getElementsByTagName( "ul" )[0];
 271         if ( !node ) return null;
 272
 273         var link = document.createElement( "a" );
 274         link.appendChild( document.createTextNode( text ) );
 275         link.href = href;
 276
 277         var item = document.createElement( "li" );
 278         item.appendChild( link );
 279         if ( id ) item.id = id;
 280
 281         if ( accesskey ) {
 282                 link.setAttribute( "accesskey", accesskey );
 283                 tooltip += " ["+accesskey+"]";
 284         }
 285         if ( tooltip ) {
 286                 link.setAttribute( "title", tooltip );
 287         }
 288         if ( accesskey && tooltip ) {
 289                 updateTooltipAccessKeys( new Array( link ) );
 290         }
 291
 292         if ( nextnode && nextnode.parentNode == node )
 293                 node.insertBefore( item, nextnode );
 294         else
 295                 node.appendChild( item );  // IE compatibility (?)
 296
 297         return item;
 298 }
 299
 300 function getInnerText(el) {
 301         if (typeof el == "string") return el;
 302         if (typeof el == "undefined") { return el };
 303         if (el.textContent) return el.textContent; // not needed but it is faster
 304         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 305         var str = "";
 306
 307         var cs = el.childNodes;
 308         var l = cs.length;
 309         for (var i = 0; i < l; i++) {
 310                 switch (cs[i].nodeType) {
 311                         case 1: //ELEMENT_NODE
 312                                 str += ts_getInnerText(cs[i]);
 313                                 break;
 314                         case 3: //TEXT_NODE
 315                                 str += cs[i].nodeValue;
 316                                 break;
 317                 }
 318         }
 319         return str;
 320 }
 321
 322
 323 /**
 324  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 325  * is specified, only set up for that id.  Note that this function is
 326  * deprecated and will not be supported indefinitely -- use
 327  * updateTooltipAccessKey() instead.
 328  *
 329  * @param mixed doId string or null
 330  */
 331 function akeytt( doId ) {
 332         // A lot of user scripts (and some of the code below) break if
 333         // ta isn't defined, so we make sure it is.  Explictly using
 334         // window.ta avoids a "ta is not defined" error.
 335         if (!window.ta) window.ta = new Array;
 336
 337         // Make a local, possibly restricted, copy to avoid clobbering
 338         // the original.
 339         var ta;
 340         if ( doId ) {
 341                 ta = [doId];
 342         } else {
 343                 ta = window.ta;
 344         }
 345
 346         // Now deal with evil deprecated ta
 347         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 348         for (var id in ta) {
 349                 var n = document.getElementById(id);
 350                 if (n) {
 351                         var a = null;
 352                         var ak = '';
 353                         // Are we putting accesskey in it
 354                         if (ta[id][0].length > 0) {
 355                                 // Is this object a object? If not assume it's the next child.
 356
 357                                 if (n.nodeName.toLowerCase() == "a") {
 358                                         a = n;
 359                                 } else {
 360                                         a = n.childNodes[0];
 361                                 }
 362                                 // Don't add an accesskey for the watch tab if the watch
 363                                 // checkbox is also available.
 364                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 365                                         a.accessKey = ta[id][0];
 366                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 367                                 }
 368                         } else {
 369                                 // We don't care what type the object is when assigning tooltip
 370                                 a = n;
 371                                 ak = '';
 372                         }
 373
 374                         if (a) {
 375                                 a.title = ta[id][1]+ak;
 376                         }
 377                 }
 378         }
 379 }
 380
 381 var checkboxes;
 382 var lastCheckbox;
 383
 384 function setupCheckboxShiftClick() {
 385         checkboxes = [];
 386         lastCheckbox = null;
 387         var inputs = document.getElementsByTagName('input');
 388         addCheckboxClickHandlers(inputs);
 389 }
 390
 391 function addCheckboxClickHandlers(inputs, start) {
 392         if ( !start) start = 0;
 393
 394         var finish = start + 250;
 395         if ( finish > inputs.length )
 396                 finish = inputs.length;
 397
 398         for ( var i = start; i < finish; i++ ) {
 399                 var cb = inputs[i];
 400                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 401                         continue;
 402                 var end = checkboxes.length;
 403                 checkboxes[end] = cb;
 404                 cb.index = end;
 405                 cb.onclick = checkboxClickHandler;
 406         }
 407
 408         if ( finish < inputs.length ) {
 409                 setTimeout( function () {
 410                         addCheckboxClickHandlers(inputs, finish);
 411                 }, 200 );
 412         }
 413 }
 414
 415 function checkboxClickHandler(e) {
 416         if (typeof e == 'undefined') {
 417                 e = window.event;
 418         }
 419         if ( !e.shiftKey || lastCheckbox === null ) {
 420                 lastCheckbox = this.index;
 421                 return true;
 422         }
 423         var endState = this.checked;
 424         var start, finish;
 425         if ( this.index < lastCheckbox ) {
 426                 start = this.index + 1;
 427                 finish = lastCheckbox;
 428         } else {
 429                 start = lastCheckbox;
 430                 finish = this.index - 1;
 431         }
 432         for (var i = start; i <= finish; ++i ) {
 433                 checkboxes[i].checked = endState;
 434         }
 435         lastCheckbox = this.index;
 436         return true;
 437 }
 438
 439 function toggle_element_activation(ida,idb) {
 440         if (!document.getElementById) {
 441                 return;
 442         }
 443         document.getElementById(ida).disabled=true;
 444         document.getElementById(idb).disabled=false;
 445 }
 446
 447 function toggle_element_check(ida,idb) {
 448         if (!document.getElementById) {
 449                 return;
 450         }
 451         document.getElementById(ida).checked=true;
 452         document.getElementById(idb).checked=false;
 453 }
 454
 455 /*
 456         Written by Jonathan Snook, http://www.snook.ca/jonathan
 457         Add-ons by Robert Nyman, http://www.robertnyman.com
 458         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 459         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 460 */
 461 function getElementsByClassName(oElm, strTagName, oClassNames){
 462         var arrReturnElements = new Array();
 463         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 464                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 465                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 466                 if ( strTagName == "*" )
 467                         return arrNativeReturn;
 468                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 469                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 470                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 471                 }
 472                 return arrReturnElements;
 473         }
 474         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 475         var arrRegExpClassNames = new Array();
 476         if(typeof oClassNames == "object"){
 477                 for(var i=0; i<oClassNames.length; i++){
 478                         arrRegExpClassNames[arrRegExpClassNames.length] =
 479                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 480                 }
 481         }
 482         else{
 483                 arrRegExpClassNames[arrRegExpClassNames.length] =
 484                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 485         }
 486         var oElement;
 487         var bMatchesAll;
 488         for(var j=0; j<arrElements.length; j++){
 489                 oElement = arrElements[j];
 490                 bMatchesAll = true;
 491                 for(var k=0; k<arrRegExpClassNames.length; k++){
 492                         if(!arrRegExpClassNames[k].test(oElement.className)){
 493                                 bMatchesAll = false;
 494                                 break;
 495                         }
 496                 }
 497                 if(bMatchesAll){
 498                         arrReturnElements[arrReturnElements.length] = oElement;
 499                 }
 500         }
 501         return (arrReturnElements)
 502 }
 503
 504 function redirectToFragment(fragment) {
 505         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 506         if (match) {
 507                 var webKitVersion = parseInt(match[1]);
 508                 if (webKitVersion < 420) {
 509                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 510                         // Nightlies of 420+ are ok
 511                         return;
 512                 }
 513         }
 514         if (is_gecko) {
 515                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 516                 addOnloadHook(function () {
 517                         if (window.location.hash == "")
 518                                 window.location.hash = fragment;
 519                 });
 520         } else {
 521                 if (window.location.hash == "")
 522                         window.location.hash = fragment;
 523         }
 524 }
 525
 526 /*
 527  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 528  * de Valk:
 529  * http://www.joostdevalk.nl/code/sortable-table/
 530  * http://www.kryogenix.org/code/browser/sorttable/
 531  *
 532  * @todo don't break on colspans/rowspans (bug 8028)
 533  * @todo language-specific digit grouping/decimals (bug 8063)
 534  * @todo support all accepted date formats (bug 8226)
 535  */
 536
 537 var ts_image_path = stylepath+"/common/images/";
 538 var ts_image_up = "sort_up.gif";
 539 var ts_image_down = "sort_down.gif";
 540 var ts_image_none = "sort_none.gif";
 541 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 542 var ts_alternate_row_colors = false;
 543 var ts_number_transform_table = null;
 544 var ts_number_regex = null;
 545
 546 function sortables_init() {
 547         var idnum = 0;
 548         // Find all tables with class sortable and make them sortable
 549         var tables = getElementsByClassName(document, "table", "sortable");
 550         for (var ti = 0; ti < tables.length ; ti++) {
 551                 if (!tables[ti].id) {
 552                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 553                         ++idnum;
 554                 }
 555                 ts_makeSortable(tables[ti]);
 556         }
 557 }
 558
 559 function ts_makeSortable(table) {
 560         var firstRow;
 561         if (table.rows && table.rows.length > 0) {
 562                 if (table.tHead && table.tHead.rows.length > 0) {
 563                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 564                 } else {
 565                         firstRow = table.rows[0];
 566                 }
 567         }
 568         if (!firstRow) return;
 569
 570         // We have a first row: assume it's the header, and make its contents clickable links
 571         for (var i = 0; i < firstRow.cells.length; i++) {
 572                 var cell = firstRow.cells[i];
 573                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 574                         cell.innerHTML += '&nbsp;&nbsp;'
 575                                 + '<a href="#" class="sortheader" '
 576                                 + 'onclick="ts_resortTable(this);return false;">'
 577                                 + '<span class="sortarrow">'
 578                                 + '<img src="'
 579                                 + ts_image_path
 580                                 + ts_image_none
 581                                 + '" alt="&darr;"/></span></a>';
 582                 }
 583         }
 584         if (ts_alternate_row_colors) {
 585                 ts_alternate(table);
 586         }
 587 }
 588
 589 function ts_getInnerText(el) {
 590         return getInnerText( el );
 591 }
 592
 593 function ts_resortTable(lnk) {
 594         // get the span
 595         var span = lnk.getElementsByTagName('span')[0];
 596
 597         var td = lnk.parentNode;
 598         var tr = td.parentNode;
 599         var column = td.cellIndex;
 600
 601         var table = tr.parentNode;
 602         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 603                 table = table.parentNode;
 604         if (!table) return;
 605
 606         if (table.rows.length <= 1) return;
 607
 608         // Generate the number transform table if it's not done already
 609         if (ts_number_transform_table == null) {
 610                 ts_initTransformTable();
 611         }
 612
 613         // Work out a type for the column
 614         // Skip the first row if that's where the headings are
 615         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 616
 617         var itm = "";
 618         for (var i = rowStart; i < table.rows.length; i++) {
 619                 if (table.rows[i].cells.length > column) {
 620                         itm = ts_getInnerText(table.rows[i].cells[column]);
 621                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 622                         if (itm != "") break;
 623                 }
 624         }
 625
 626         // TODO: bug 8226, localised date formats
 627         var sortfn = ts_sort_generic;
 628         var preprocessor = ts_toLowerCase;
 629         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 630                 preprocessor = ts_dateToSortKey;
 631         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 632                 preprocessor = ts_dateToSortKey;
 633         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 634                 preprocessor = ts_dateToSortKey;
 635         // pound dollar euro yen currency cents
 636         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 637                 preprocessor = ts_currencyToSortKey;
 638         } else if (ts_number_regex.test(itm)) {
 639                 preprocessor = ts_parseFloat;
 640         }
 641
 642         var reverse = (span.getAttribute("sortdir") == 'down');
 643
 644         var newRows = new Array();
 645         var staticRows = new Array();
 646         for (var j = rowStart; j < table.rows.length; j++) {
 647                 var row = table.rows[j];
 648                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 649                         var keyText = ts_getInnerText(row.cells[column]);
 650                         var oldIndex = (reverse ? -j : j);
 651                         var preprocessed = preprocessor( keyText );
 652
 653                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 654                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 655         }
 656
 657         newRows.sort(sortfn);
 658
 659         var arrowHTML;
 660         if (reverse) {
 661                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 662                 newRows.reverse();
 663                 span.setAttribute('sortdir','up');
 664         } else {
 665                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 666                 span.setAttribute('sortdir','down');
 667         }
 668
 669         for (var i = 0; i < staticRows.length; i++) {
 670                 var row = staticRows[i];
 671                 newRows.splice(row[2], 0, row);
 672         }
 673
 674         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 675         // don't do sortbottom rows
 676         for (var i = 0; i < newRows.length; i++) {
 677                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 678                         table.tBodies[0].appendChild(newRows[i][0]);
 679         }
 680         // do sortbottom rows only
 681         for (var i = 0; i < newRows.length; i++) {
 682                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 683                         table.tBodies[0].appendChild(newRows[i][0]);
 684         }
 685
 686         // Delete any other arrows there may be showing
 687         var spans = getElementsByClassName(tr, "span", "sortarrow");
 688         for (var i = 0; i < spans.length; i++) {
 689                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 690         }
 691         span.innerHTML = arrowHTML;
 692
 693         if (ts_alternate_row_colors) {
 694                 ts_alternate(table);
 695         }
 696 }
 697
 698 function ts_initTransformTable() {
 699         if ( typeof wgSeparatorTransformTable == "undefined"
 700                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 701         {
 702                 digitClass = "[0-9,.]";
 703                 ts_number_transform_table = false;
 704         } else {
 705                 ts_number_transform_table = {};
 706                 // Unpack the transform table
 707                 // Separators
 708                 ascii = wgSeparatorTransformTable[0].split("\t");
 709                 localised = wgSeparatorTransformTable[1].split("\t");
 710                 for ( var i = 0; i < ascii.length; i++ ) {
 711                         ts_number_transform_table[localised[i]] = ascii[i];
 712                 }
 713                 // Digits
 714                 ascii = wgDigitTransformTable[0].split("\t");
 715                 localised = wgDigitTransformTable[1].split("\t");
 716                 for ( var i = 0; i < ascii.length; i++ ) {
 717                         ts_number_transform_table[localised[i]] = ascii[i];
 718                 }
 719
 720                 // Construct regex for number identification
 721                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 722                 maxDigitLength = 1;
 723                 for ( var digit in ts_number_transform_table ) {
 724                         // Escape regex metacharacters
 725                         digits.push(
 726                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 727                                         function( s ) { return '\\' + s; } )
 728                         );
 729                         if (digit.length > maxDigitLength) {
 730                                 maxDigitLength = digit.length;
 731                         }
 732                 }
 733                 if ( maxDigitLength > 1 ) {
 734                         digitClass = '[' + digits.join( '', digits ) + ']';
 735                 } else {
 736                         digitClass = '(' + digits.join( '|', digits ) + ')';
 737                 }
 738         }
 739
 740         // We allow a trailing percent sign, which we just strip.  This works fine
 741         // if percents and regular numbers aren't being mixed.
 742         ts_number_regex = new RegExp(
 743                 "^(" +
 744                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 745                         "|" +
 746                         "[+-]?" + digitClass + "+%?" + // Generic localised
 747                 ")$", "i"
 748         );
 749 }
 750
 751 function ts_toLowerCase( s ) {
 752         return s.toLowerCase();
 753 }
 754
 755 function ts_dateToSortKey(date) {
 756         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 757         if (date.length == 11) {
 758                 switch (date.substr(3,3).toLowerCase()) {
 759                         case "jan": var month = "01"; break;
 760                         case "feb": var month = "02"; break;
 761                         case "mar": var month = "03"; break;
 762                         case "apr": var month = "04"; break;
 763                         case "may": var month = "05"; break;
 764                         case "jun": var month = "06"; break;
 765                         case "jul": var month = "07"; break;
 766                         case "aug": var month = "08"; break;
 767                         case "sep": var month = "09"; break;
 768                         case "oct": var month = "10"; break;
 769                         case "nov": var month = "11"; break;
 770                         case "dec": var month = "12"; break;
 771                         // default: var month = "00";
 772                 }
 773                 return date.substr(7,4)+month+date.substr(0,2);
 774         } else if (date.length == 10) {
 775                 if (ts_europeandate == false) {
 776                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 777                 } else {
 778                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 779                 }
 780         } else if (date.length == 8) {
 781                 yr = date.substr(6,2);
 782                 if (parseInt(yr) < 50) {
 783                         yr = '20'+yr;
 784                 } else {
 785                         yr = '19'+yr;
 786                 }
 787                 if (ts_europeandate == true) {
 788                         return yr+date.substr(3,2)+date.substr(0,2);
 789                 } else {
 790                         return yr+date.substr(0,2)+date.substr(3,2);
 791                 }
 792         }
 793         return "00000000";
 794 }
 795
 796 function ts_parseFloat( s ) {
 797         if ( !s ) {
 798                 return 0;
 799         }
 800         if (ts_number_transform_table != false) {
 801                 var newNum = '', c;
 802
 803                 for ( var p = 0; p < s.length; p++ ) {
 804                         c = s.charAt( p );
 805                         if (c in ts_number_transform_table) {
 806                                 newNum += ts_number_transform_table[c];
 807                         } else {
 808                                 newNum += c;
 809                         }
 810                 }
 811                 s = newNum;
 812         }
 813
 814         num = parseFloat(s.replace(/,/g, ""));
 815         return (isNaN(num) ? 0 : num);
 816 }
 817
 818 function ts_currencyToSortKey( s ) {
 819         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 820 }
 821
 822 function ts_sort_generic(a, b) {
 823         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 824 }
 825
 826 function ts_alternate(table) {
 827         // Take object table and get all it's tbodies.
 828         var tableBodies = table.getElementsByTagName("tbody");
 829         // Loop through these tbodies
 830         for (var i = 0; i < tableBodies.length; i++) {
 831                 // Take the tbody, and get all it's rows
 832                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 833                 // Loop through these rows
 834                 // Start at 1 because we want to leave the heading row untouched
 835                 for (var j = 0; j < tableRows.length; j++) {
 836                         // Check if j is even, and apply classes for both possible results
 837                         var oldClasses = tableRows[j].className.split(" ");
 838                         var newClassName = "";
 839                         for (var k = 0; k < oldClasses.length; k++) {
 840                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 841                                         newClassName += oldClasses[k] + " ";
 842                         }
 843                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 844                 }
 845         }
 846 }
 847
 848 /*
 849  * End of table sorting code
 850  */
 851
 852
 853 /**
 854  * Add a cute little box at the top of the screen to inform the user of
 855  * something, replacing any preexisting message.
 856  *
 857  * @param String -or- Dom Object message HTML to be put inside the right div
 858  * @param String className   Used in adding a class; should be different for each
 859  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 860  * @return Boolean       True on success, false on failure
 861  */
 862 function jsMsg( message, className ) {
 863         if ( !document.getElementById ) {
 864                 return false;
 865         }
 866         // We special-case skin structures provided by the software.  Skins that
 867         // choose to abandon or significantly modify our formatting can just define
 868         // an mw-js-message div to start with.
 869         var messageDiv = document.getElementById( 'mw-js-message' );
 870         if ( !messageDiv ) {
 871                 messageDiv = document.createElement( 'div' );
 872                 if ( document.getElementById( 'column-content' )
 873                 && document.getElementById( 'content' ) ) {
 874                         // MonoBook, presumably
 875                         document.getElementById( 'content' ).insertBefore(
 876                                 messageDiv,
 877                                 document.getElementById( 'content' ).firstChild
 878                         );
 879                 } else if ( document.getElementById('content')
 880                 && document.getElementById( 'article' ) ) {
 881                         // Non-Monobook but still recognizable (old-style)
 882                         document.getElementById( 'article').insertBefore(
 883                                 messageDiv,
 884                                 document.getElementById( 'article' ).firstChild
 885                         );
 886                 } else {
 887                         return false;
 888                 }
 889         }
 890
 891         messageDiv.setAttribute( 'id', 'mw-js-message' );
 892         messageDiv.style.display = 'block';
 893         if( className ) {
 894                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 895         }
 896
 897         if (typeof message === 'object') {
 898                 while (messageDiv.hasChildNodes()) // Remove old content
 899                         messageDiv.removeChild(messageDiv.firstChild);
 900                 messageDiv.appendChild (message); // Append new content
 901         }
 902         else {
 903                 messageDiv.innerHTML = message;
 904         }
 905         return true;
 906 }
 907
 908 /**
 909  * Inject a cute little progress spinner after the specified element
 910  *
 911  * @param element Element to inject after
 912  * @param id Identifier string (for use with removeSpinner(), below)
 913  */
 914 function injectSpinner( element, id ) {
 915         var spinner = document.createElement( "img" );
 916         spinner.id = "mw-spinner-" + id;
 917         spinner.src = stylepath + "/common/images/spinner.gif";
 918         spinner.alt = spinner.title = "...";
 919         if( element.nextSibling ) {
 920                 element.parentNode.insertBefore( spinner, element.nextSibling );
 921         } else {
 922                 element.parentNode.appendChild( spinner );
 923         }
 924 }
 925
 926 /**
 927  * Remove a progress spinner added with injectSpinner()
 928  *
 929  * @param id Identifier string
 930  */
 931 function removeSpinner( id ) {
 932         var spinner = document.getElementById( "mw-spinner-" + id );
 933         if( spinner ) {
 934                 spinner.parentNode.removeChild( spinner );
 935         }
 936 }
 937
 938 function runOnloadHook() {
 939         // don't run anything below this for non-dom browsers
 940         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 941                 return;
 942         }
 943
 944         // set this before running any hooks, since any errors below
 945         // might cause the function to terminate prematurely
 946         doneOnloadHook = true;
 947
 948         updateTooltipAccessKeys( null );
 949         akeytt( null );
 950         setupCheckboxShiftClick();
 951         sortables_init();
 952
 953         // Run any added-on functions
 954         for (var i = 0; i < onloadFuncts.length; i++) {
 955                 onloadFuncts[i]();
 956         }
 957 }
 958
 959 /**
 960  * Add an event handler to an element
 961  *
 962  * @param Element element Element to add handler to
 963  * @param String attach Event to attach to
 964  * @param callable handler Event handler callback
 965  */
 966 function addHandler( element, attach, handler ) {
 967         if( window.addEventListener ) {
 968                 element.addEventListener( attach, handler, false );
 969         } else if( window.attachEvent ) {
 970                 element.attachEvent( 'on' + attach, handler );
 971         }
 972 }
 973
 974 /**
 975  * Add a click event handler to an element
 976  *
 977  * @param Element element Element to add handler to
 978  * @param callable handler Event handler callback
 979  */
 980 function addClickHandler( element, handler ) {
 981         addHandler( element, 'click', handler );
 982 }
 983
 984 /**
 985  * Removes an event handler from an element
 986  *
 987  * @param Element element Element to remove handler from
 988  * @param String remove Event to remove
 989  * @param callable handler Event handler callback to remove
 990  */
 991 function removeHandler( element, remove, handler ) {
 992         if( window.removeEventListener ) {
 993                 element.removeEventListener( remove, handler, false );
 994         } else if( window.detachEvent ) {
 995                 element.detachEvent( 'on' + remove, handler );
 996         }
 997 }
 998 //note: all skins should call runOnloadHook() at the end of html output,
 999 //      so the below should be redundant. It's there just in case.
1000 hookEvent("load", runOnloadHook);