skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 window.clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 window.is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6
   7 window.is_safari = window.is_safari_win = window.webkit_version =
   8         window.is_chrome = window.is_chrome_mac = false;
   9 window.webkit_match = clientPC.match(/applewebkit\/(\d+)/);
  10 if (webkit_match) {
  11         window.is_safari = clientPC.indexOf('applewebkit') != -1 &&
  12                 clientPC.indexOf('spoofer') == -1;
  13         window.is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  14         window.webkit_version = parseInt(webkit_match[1]);
  15         // Tests for chrome here, to avoid breaking old scripts safari left alone
  16         // This is here for accesskeys
  17         window.is_chrome = clientPC.indexOf('chrome') !== -1 &&
  18                 clientPC.indexOf('spoofer') === -1;
  19         window.is_chrome_mac = is_chrome && clientPC.indexOf('mac') !== -1
  20 }
  21
  22 // For accesskeys; note that FF3+ is included here!
  23 window.is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  24 window.ff2_bugs = /firefox\/2/.test( clientPC );
  25 // These aren't used here, but some custom scripts rely on them
  26 window.is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  27 window.is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  28
  29 window.is_opera = window.is_opera_preseven = window.is_opera_95 =
  30         window.opera6_bugs = window.opera7_bugs = window.opera95_bugs = false;
  31 if (clientPC.indexOf('opera') != -1) {
  32         window.is_opera = true;
  33         window.is_opera_preseven = window.opera && !document.childNodes;
  34         window.is_opera_seven = window.opera && document.childNodes;
  35         window.is_opera_95 = /opera\/(9\.[5-9]|[1-9][0-9])/.test( clientPC );
  36         window.opera6_bugs = is_opera_preseven;
  37         window.opera7_bugs = is_opera_seven && !is_opera_95;
  38         window.opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  39 }
  40 // As recommended by <http://msdn.microsoft.com/en-us/library/ms537509.aspx>,
  41 // avoiding false positives from moronic extensions that append to the IE UA
  42 // string (bug 23171)
  43 window.ie6_bugs = false;
  44 if ( /MSIE ([0-9]{1,}[\.0-9]{0,})/.exec( clientPC ) != null
  45 && parseFloat( RegExp.$1 ) <= 6.0 ) {
  46         ie6_bugs = true;
  47 }
  48
  49 // Global external objects used by this script.
  50 /*extern ta, stylepath, skin */
  51
  52 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  53 window.doneOnloadHook = undefined;
  54
  55 if (!window.onloadFuncts) {
  56         window.onloadFuncts = [];
  57 }
  58
  59 window.addOnloadHook = function( hookFunct ) {
  60         // Allows add-on scripts to add onload functions
  61         if( !doneOnloadHook ) {
  62                 onloadFuncts[onloadFuncts.length] = hookFunct;
  63         } else {
  64                 hookFunct();  // bug in MSIE script loading
  65         }
  66 }
  67
  68 window.importScript = function( page ) {
  69         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  70         var uri = wgScript + '?title=' +
  71                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  72                 '&action=raw&ctype=text/javascript';
  73         return importScriptURI( uri );
  74 }
  75
  76 window.loadedScripts = {}; // included-scripts tracker
  77 window.importScriptURI = function( url ) {
  78         if ( loadedScripts[url] ) {
  79                 return null;
  80         }
  81         loadedScripts[url] = true;
  82         var s = document.createElement( 'script' );
  83         s.setAttribute( 'src', url );
  84         s.setAttribute( 'type', 'text/javascript' );
  85         document.getElementsByTagName('head')[0].appendChild( s );
  86         return s;
  87 }
  88
  89 window.importStylesheet = function( page ) {
  90         return importStylesheetURI( wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent( page.replace(/ /g,'_') ) );
  91 }
  92
  93 window.importStylesheetURI = function( url, media ) {
  94         var l = document.createElement( 'link' );
  95         l.type = 'text/css';
  96         l.rel = 'stylesheet';
  97         l.href = url;
  98         if( media ) {
  99                 l.media = media;
 100         }
 101         document.getElementsByTagName('head')[0].appendChild( l );
 102         return l;
 103 }
 104
 105 window.appendCSS = function( text ) {
 106         var s = document.createElement( 'style' );
 107         s.type = 'text/css';
 108         s.rel = 'stylesheet';
 109         if ( s.styleSheet ) {
 110                 s.styleSheet.cssText = text; // IE
 111         } else {
 112                 s.appendChild( document.createTextNode( text + '' ) ); // Safari sometimes borks on null
 113         }
 114         document.getElementsByTagName('head')[0].appendChild( s );
 115         return s;
 116 }
 117
 118 // Special stylesheet links for Monobook only (see bug 14717)
 119 if ( typeof stylepath != 'undefined' && skin == 'monobook' ) {
 120         if ( opera6_bugs ) {
 121                 importStylesheetURI( stylepath + '/' + skin + '/Opera6Fixes.css' );
 122         } else if ( opera7_bugs ) {
 123                 importStylesheetURI( stylepath + '/' + skin + '/Opera7Fixes.css' );
 124         } else if ( opera95_bugs ) {
 125                 importStylesheetURI( stylepath + '/' + skin + '/Opera9Fixes.css' );
 126         } else if ( ff2_bugs ) {
 127                 importStylesheetURI( stylepath + '/' + skin + '/FF2Fixes.css' );
 128         }
 129 }
 130
 131
 132 if ( 'wgBreakFrames' in window && window.wgBreakFrames ) {
 133         // Un-trap us from framesets
 134         if ( window.top != window ) {
 135                 window.top.location = window.location;
 136         }
 137 }
 138
 139 window.showTocToggle = function() {
 140         if ( document.createTextNode ) {
 141                 // Uses DOM calls to avoid document.write + XHTML issues
 142
 143                 var linkHolder = document.getElementById( 'toctitle' );
 144                 var existingLink = document.getElementById( 'togglelink' );
 145                 if ( !linkHolder || existingLink ) {
 146                         // Don't add the toggle link twice
 147                         return;
 148                 }
 149
 150                 var outerSpan = document.createElement( 'span' );
 151                 outerSpan.className = 'toctoggle';
 152
 153                 var toggleLink = document.createElement( 'a' );
 154                 toggleLink.id = 'togglelink';
 155                 toggleLink.className = 'internal';
 156                 toggleLink.href = '#';
 157                 addClickHandler( toggleLink, function( evt ) { toggleToc(); return killEvt( evt ); } );
 158
 159                 toggleLink.appendChild( document.createTextNode( tocHideText ) );
 160
 161                 outerSpan.appendChild( document.createTextNode( '[' ) );
 162                 outerSpan.appendChild( toggleLink );
 163                 outerSpan.appendChild( document.createTextNode( ']' ) );
 164
 165                 linkHolder.appendChild( document.createTextNode( ' ' ) );
 166                 linkHolder.appendChild( outerSpan );
 167
 168                 var cookiePos = document.cookie.indexOf( "hidetoc=" );
 169                 if ( cookiePos > -1 && document.cookie.charAt( cookiePos + 8 ) == 1 ) {
 170                         toggleToc();
 171                 }
 172         }
 173 }
 174
 175 window.changeText = function( el, newText ) {
 176         // Safari work around
 177         if ( el.innerText ) {
 178                 el.innerText = newText;
 179         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 180                 el.firstChild.nodeValue = newText;
 181         }
 182 }
 183
 184 window.killEvt = function( evt ) {
 185         evt = evt || window.event || window.Event; // W3C, IE, Netscape
 186         if ( typeof ( evt.preventDefault ) != 'undefined' ) {
 187                 evt.preventDefault(); // Don't follow the link
 188                 evt.stopPropagation();
 189         } else {
 190                 evt.cancelBubble = true; // IE
 191         }
 192         return false; // Don't follow the link (IE)
 193 }
 194
 195 window.toggleToc = function() {
 196         var tocmain = document.getElementById( 'toc' );
 197         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 198         var toggleLink = document.getElementById( 'togglelink' );
 199
 200         if ( toc && toggleLink && toc.style.display == 'none' ) {
 201                 changeText( toggleLink, tocHideText );
 202                 toc.style.display = 'block';
 203                 document.cookie = "hidetoc=0";
 204                 tocmain.className = 'toc';
 205         } else {
 206                 changeText( toggleLink, tocShowText );
 207                 toc.style.display = 'none';
 208                 document.cookie = "hidetoc=1";
 209                 tocmain.className = 'toc tochidden';
 210         }
 211         return false;
 212 }
 213
 214 window.mwEditButtons = [];
 215 window.mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 216
 217 window.escapeQuotes = function( text ) {
 218         var re = new RegExp( "'", "g" );
 219         text = text.replace( re, "\\'" );
 220         re = new RegExp( "\\n", "g" );
 221         text = text.replace( re, "\\n" );
 222         return escapeQuotesHTML( text );
 223 }
 224
 225 window.escapeQuotesHTML = function( text ) {
 226         var re = new RegExp( '&', "g" );
 227         text = text.replace( re, "&amp;" );
 228         re = new RegExp( '"', "g" );
 229         text = text.replace( re, "&quot;" );
 230         re = new RegExp( '<', "g" );
 231         text = text.replace( re, "&lt;" );
 232         re = new RegExp( '>', "g" );
 233         text = text.replace( re, "&gt;" );
 234         return text;
 235 }
 236
 237 /**
 238  * Set the accesskey prefix based on browser detection.
 239  */
 240 window.tooltipAccessKeyPrefix = 'alt-';
 241 if ( is_opera ) {
 242         tooltipAccessKeyPrefix = 'shift-esc-';
 243 } else if ( is_chrome ) {
 244         tooltipAccessKeyPrefix = is_chrome_mac ? 'ctrl-option-' : 'alt-';
 245 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 246         tooltipAccessKeyPrefix = 'ctrl-alt-';
 247 } else if ( !is_safari_win && ( is_safari
 248                 || clientPC.indexOf('mac') != -1
 249                 || clientPC.indexOf('konqueror') != -1 ) ) {
 250         tooltipAccessKeyPrefix = 'ctrl-';
 251 } else if ( is_ff2 ) {
 252         tooltipAccessKeyPrefix = 'alt-shift-';
 253 }
 254 window.tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 255
 256 /**
 257  * Add the appropriate prefix to the accesskey shown in the tooltip.
 258  * If the nodeList parameter is given, only those nodes are updated;
 259  * otherwise, all the nodes that will probably have accesskeys by
 260  * default are updated.
 261  *
 262  * @param Array nodeList -- list of elements to update
 263  */
 264 window.updateTooltipAccessKeys = function( nodeList ) {
 265         if ( !nodeList ) {
 266                 // Rather than scan all links on the whole page, we can just scan these
 267                 // containers which contain the relevant links. This is really just an
 268                 // optimization technique.
 269                 var linkContainers = [
 270                         'column-one', // Monobook and Modern
 271                         'mw-head', 'mw-panel', 'p-logo' // Vector
 272                 ];
 273                 for ( var i in linkContainers ) {
 274                         var linkContainer = document.getElementById( linkContainers[i] );
 275                         if ( linkContainer ) {
 276                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 277                         }
 278                 }
 279                 // these are rare enough that no such optimization is needed
 280                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 281                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 282                 return;
 283         }
 284
 285         for ( var i = 0; i < nodeList.length; i++ ) {
 286                 var element = nodeList[i];
 287                 var tip = element.getAttribute( 'title' );
 288                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 289                         tip = tip.replace(tooltipAccessKeyRegexp,
 290                                           '[' + tooltipAccessKeyPrefix + "$5]");
 291                         element.setAttribute( 'title', tip );
 292                 }
 293         }
 294 }
 295
 296 /**
 297  * Add a link to one of the portlet menus on the page, including:
 298  *
 299  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 300  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 301  * p-navigation: Navigation
 302  * p-tb: Toolbox
 303  *
 304  * This function exists for the convenience of custom JS authors.  All
 305  * but the first three parameters are optional, though providing at
 306  * least an id and a tooltip is recommended.
 307  *
 308  * By default the new link will be added to the end of the list.  To
 309  * add the link before a given existing item, pass the DOM node of
 310  * that item (easily obtained with document.getElementById()) as the
 311  * nextnode parameter; to add the link _after_ an existing item, pass
 312  * the node's nextSibling instead.
 313  *
 314  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 315  * @param String href -- link URL
 316  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 317  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 318  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 319  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 320  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 321  *
 322  * @return Node -- the DOM node of the new item (an LI element) or null
 323  */
 324 window.addPortletLink = function( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 325         var root = document.getElementById( portlet );
 326         if ( !root ) {
 327                 return null;
 328         }
 329         var uls = root.getElementsByTagName( 'ul' );
 330         var node;
 331         if ( uls.length > 0 ) {
 332                 node = uls[0];
 333         } else {
 334                 node = document.createElement( 'ul' );
 335                 var lastElementChild = null;
 336                 for ( var i = 0; i < root.childNodes.length; ++i ) { /* get root.lastElementChild */
 337                         if ( root.childNodes[i].nodeType == 1 ) {
 338                                 lastElementChild = root.childNodes[i];
 339                         }
 340                 }
 341                 if ( lastElementChild && lastElementChild.nodeName.match( /div/i ) ) {
 342                         /* Insert into the menu divs */
 343                         lastElementChild.appendChild( node );
 344                 } else {
 345                         root.appendChild( node );
 346                 }
 347         }
 348         if ( !node ) {
 349                 return null;
 350         }
 351
 352         // unhide portlet if it was hidden before
 353         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 354
 355         var span = document.createElement( 'span' );
 356         span.appendChild( document.createTextNode( text ) );
 357
 358         var link = document.createElement( 'a' );
 359         link.appendChild( span );
 360         link.href = href;
 361
 362         var item = document.createElement( 'li' );
 363         item.appendChild( link );
 364         if ( id ) {
 365                 item.id = id;
 366         }
 367
 368         if ( accesskey ) {
 369                 link.setAttribute( 'accesskey', accesskey );
 370                 tooltip += ' [' + accesskey + ']';
 371         }
 372         if ( tooltip ) {
 373                 link.setAttribute( 'title', tooltip );
 374         }
 375         if ( accesskey && tooltip ) {
 376                 updateTooltipAccessKeys( new Array( link ) );
 377         }
 378
 379         if ( nextnode && nextnode.parentNode == node ) {
 380                 node.insertBefore( item, nextnode );
 381         } else {
 382                 node.appendChild( item );  // IE compatibility (?)
 383         }
 384
 385         return item;
 386 }
 387
 388 window.getInnerText = function( el ) {
 389         if ( typeof el == 'string' ) {
 390                 return el;
 391         }
 392         if ( typeof el == 'undefined' ) {
 393                 return el;
 394         }
 395         if ( el.textContent ) {
 396                 return el.textContent; // not needed but it is faster
 397         }
 398         if ( el.innerText ) {
 399                 return el.innerText; // IE doesn't have textContent
 400         }
 401         var str = '';
 402
 403         var cs = el.childNodes;
 404         var l = cs.length;
 405         for ( var i = 0; i < l; i++ ) {
 406                 switch ( cs[i].nodeType ) {
 407                         case 1: // ELEMENT_NODE
 408                                 str += ts_getInnerText( cs[i] );
 409                                 break;
 410                         case 3: // TEXT_NODE
 411                                 str += cs[i].nodeValue;
 412                                 break;
 413                 }
 414         }
 415         return str;
 416 }
 417
 418 /* Dummy for deprecated function */
 419 window.ta = [];
 420 window.akeytt = function( doId ) {
 421 }
 422
 423 window.checkboxes = undefined;
 424 window.lastCheckbox = undefined;
 425
 426 window.setupCheckboxShiftClick = function() {
 427         checkboxes = [];
 428         lastCheckbox = null;
 429         var inputs = document.getElementsByTagName( 'input' );
 430         addCheckboxClickHandlers( inputs );
 431 }
 432
 433 window.addCheckboxClickHandlers = function( inputs, start ) {
 434         if ( !start ) {
 435                 start = 0;
 436         }
 437
 438         var finish = start + 250;
 439         if ( finish > inputs.length ) {
 440                 finish = inputs.length;
 441         }
 442
 443         for ( var i = start; i < finish; i++ ) {
 444                 var cb = inputs[i];
 445                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' || ( ' ' + cb.className + ' ' ).indexOf( ' noshiftselect ' )  != -1 ) {
 446                         continue;
 447                 }
 448                 var end = checkboxes.length;
 449                 checkboxes[end] = cb;
 450                 cb.index = end;
 451                 addClickHandler( cb, checkboxClickHandler );
 452         }
 453
 454         if ( finish < inputs.length ) {
 455                 setTimeout( function() {
 456                         addCheckboxClickHandlers( inputs, finish );
 457                 }, 200 );
 458         }
 459 }
 460
 461 window.checkboxClickHandler = function( e ) {
 462         if ( typeof e == 'undefined' ) {
 463                 e = window.event;
 464         }
 465         if ( !e.shiftKey || lastCheckbox === null ) {
 466                 lastCheckbox = this.index;
 467                 return true;
 468         }
 469         var endState = this.checked;
 470         var start, finish;
 471         if ( this.index < lastCheckbox ) {
 472                 start = this.index + 1;
 473                 finish = lastCheckbox;
 474         } else {
 475                 start = lastCheckbox;
 476                 finish = this.index - 1;
 477         }
 478         for ( var i = start; i <= finish; ++i ) {
 479                 checkboxes[i].checked = endState;
 480                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 481                         checkboxes[i].onchange(); // fire triggers
 482                 }
 483         }
 484         lastCheckbox = this.index;
 485         return true;
 486 }
 487
 488
 489 /*
 490         Written by Jonathan Snook, http://www.snook.ca/jonathan
 491         Add-ons by Robert Nyman, http://www.robertnyman.com
 492         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 493         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 494 */
 495 window.getElementsByClassName = function( oElm, strTagName, oClassNames ) {
 496         var arrReturnElements = new Array();
 497         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 498                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 499                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 500                 if ( strTagName == '*' ) {
 501                         return arrNativeReturn;
 502                 }
 503                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 504                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 505                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 506                         }
 507                 }
 508                 return arrReturnElements;
 509         }
 510         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 511         var arrRegExpClassNames = new Array();
 512         if( typeof oClassNames == 'object' ) {
 513                 for( var i = 0; i < oClassNames.length; i++ ) {
 514                         arrRegExpClassNames[arrRegExpClassNames.length] =
 515                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 516                 }
 517         } else {
 518                 arrRegExpClassNames[arrRegExpClassNames.length] =
 519                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 520         }
 521         var oElement;
 522         var bMatchesAll;
 523         for( var j = 0; j < arrElements.length; j++ ) {
 524                 oElement = arrElements[j];
 525                 bMatchesAll = true;
 526                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 527                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 528                                 bMatchesAll = false;
 529                                 break;
 530                         }
 531                 }
 532                 if( bMatchesAll ) {
 533                         arrReturnElements[arrReturnElements.length] = oElement;
 534                 }
 535         }
 536         return ( arrReturnElements );
 537 }
 538
 539 window.redirectToFragment = function( fragment ) {
 540         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 541         if ( match ) {
 542                 var webKitVersion = parseInt( match[1] );
 543                 if ( webKitVersion < 420 ) {
 544                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 545                         // Nightlies of 420+ are ok
 546                         return;
 547                 }
 548         }
 549         if ( window.location.hash == '' ) {
 550                 window.location.hash = fragment;
 551
 552                 // Mozilla needs to wait until after load, otherwise the window doesn't
 553                 // scroll.  See <https://bugzilla.mozilla.org/show_bug.cgi?id=516293>.
 554                 // There's no obvious way to detect this programmatically, so we use
 555                 // version-testing.  If Firefox fixes the bug, they'll jump twice, but
 556                 // better twice than not at all, so make the fix hit future versions as
 557                 // well.
 558                 if ( is_gecko ) {
 559                         addOnloadHook(function() {
 560                                 if ( window.location.hash == fragment ) {
 561                                         window.location.hash = fragment;
 562                                 }
 563                         });
 564                 }
 565         }
 566 }
 567
 568 /*
 569  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 570  * de Valk:
 571  * http://www.joostdevalk.nl/code/sortable-table/
 572  * http://www.kryogenix.org/code/browser/sorttable/
 573  *
 574  * @todo don't break on colspans/rowspans (bug 8028)
 575  * @todo language-specific digit grouping/decimals (bug 8063)
 576  * @todo support all accepted date formats (bug 8226)
 577  */
 578
 579 window.ts_image_path = stylepath + '/common/images/';
 580 window.ts_image_up = 'sort_up.gif';
 581 window.ts_image_down = 'sort_down.gif';
 582 window.ts_image_none = 'sort_none.gif';
 583 window.ts_europeandate = wgContentLanguage != 'en'; // The non-American-inclined can change to "true"
 584 window.ts_alternate_row_colors = false;
 585 window.ts_number_transform_table = null;
 586 window.ts_number_regex = null;
 587
 588 window.sortables_init = function() {
 589         var idnum = 0;
 590         // Find all tables with class sortable and make them sortable
 591         var tables = getElementsByClassName( document, 'table', 'sortable' );
 592         for ( var ti = 0; ti < tables.length ; ti++ ) {
 593                 if ( !tables[ti].id ) {
 594                         tables[ti].setAttribute( 'id', 'sortable_table_id_' + idnum );
 595                         ++idnum;
 596                 }
 597                 ts_makeSortable( tables[ti] );
 598         }
 599 }
 600
 601 window.ts_makeSortable = function( table ) {
 602         var firstRow;
 603         if ( table.rows && table.rows.length > 0 ) {
 604                 if ( table.tHead && table.tHead.rows.length > 0 ) {
 605                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 606                 } else {
 607                         firstRow = table.rows[0];
 608                 }
 609         }
 610         if ( !firstRow ) {
 611                 return;
 612         }
 613
 614         // We have a first row: assume it's the header, and make its contents clickable links
 615         for ( var i = 0; i < firstRow.cells.length; i++ ) {
 616                 var cell = firstRow.cells[i];
 617                 if ( (' ' + cell.className + ' ').indexOf(' unsortable ') == -1 ) {
 618                         cell.innerHTML += '<a href="#" class="sortheader" '
 619                                 + 'onclick="ts_resortTable(this);return false;">'
 620                                 + '<span class="sortarrow">'
 621                                 + '<img src="'
 622                                 + ts_image_path
 623                                 + ts_image_none
 624                                 + '" alt="&darr;"/></span></a>';
 625                 }
 626         }
 627         if ( ts_alternate_row_colors ) {
 628                 ts_alternate( table );
 629         }
 630 }
 631
 632 window.ts_getInnerText = function( el ) {
 633         return getInnerText( el );
 634 }
 635
 636 window.ts_resortTable = function( lnk ) {
 637         // get the span
 638         var span = lnk.getElementsByTagName('span')[0];
 639
 640         var td = lnk.parentNode;
 641         var tr = td.parentNode;
 642         var column = td.cellIndex;
 643
 644         var table = tr.parentNode;
 645         while ( table && !( table.tagName && table.tagName.toLowerCase() == 'table' ) ) {
 646                 table = table.parentNode;
 647         }
 648         if ( !table ) {
 649                 return;
 650         }
 651
 652         if ( table.rows.length <= 1 ) {
 653                 return;
 654         }
 655
 656         // Generate the number transform table if it's not done already
 657         if ( ts_number_transform_table === null ) {
 658                 ts_initTransformTable();
 659         }
 660
 661         // Work out a type for the column
 662         // Skip the first row if that's where the headings are
 663         var rowStart = ( table.tHead && table.tHead.rows.length > 0 ? 0 : 1 );
 664         var bodyRows = 0;
 665         if (rowStart == 0 && table.tBodies) {
 666                 for (var i=0; i < table.tBodies.length; i++ ) {
 667                         bodyRows += table.tBodies[i].rows.length;
 668                 }
 669                 if (bodyRows < table.rows.length)
 670                         rowStart = 1;
 671         }
 672
 673         var itm = '';
 674         for ( var i = rowStart; i < table.rows.length; i++ ) {
 675                 if ( table.rows[i].cells.length > column ) {
 676                         itm = ts_getInnerText(table.rows[i].cells[column]);
 677                         itm = itm.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '');
 678                         if ( itm != '' ) {
 679                                 break;
 680                         }
 681                 }
 682         }
 683
 684         // TODO: bug 8226, localised date formats
 685         var sortfn = ts_sort_generic;
 686         var preprocessor = ts_toLowerCase;
 687         if ( /^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test( itm ) ) {
 688                 preprocessor = ts_dateToSortKey;
 689         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test( itm ) ) {
 690                 preprocessor = ts_dateToSortKey;
 691         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d$/.test( itm ) ) {
 692                 preprocessor = ts_dateToSortKey;
 693                 // (minus sign)([pound dollar euro yen currency]|cents)
 694         } else if ( /(^([-\u2212] *)?[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test( itm ) ) {
 695                 preprocessor = ts_currencyToSortKey;
 696         } else if ( ts_number_regex.test( itm ) ) {
 697                 preprocessor = ts_parseFloat;
 698         }
 699
 700         var reverse = ( span.getAttribute( 'sortdir' ) == 'down' );
 701
 702         var newRows = new Array();
 703         var staticRows = new Array();
 704         for ( var j = rowStart; j < table.rows.length; j++ ) {
 705                 var row = table.rows[j];
 706                 if( (' ' + row.className + ' ').indexOf(' unsortable ') < 0 ) {
 707                         var keyText = ts_getInnerText( row.cells[column] );
 708                         if( keyText === undefined ) {
 709                                 keyText = '';
 710                         }
 711                         var oldIndex = ( reverse ? -j : j );
 712                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '') );
 713
 714                         newRows[newRows.length] = new Array( row, preprocessed, oldIndex );
 715                 } else {
 716                         staticRows[staticRows.length] = new Array( row, false, j-rowStart );
 717                 }
 718         }
 719
 720         newRows.sort( sortfn );
 721
 722         var arrowHTML;
 723         if ( reverse ) {
 724                 arrowHTML = '<img src="' + ts_image_path + ts_image_down + '" alt="&darr;"/>';
 725                 newRows.reverse();
 726                 span.setAttribute( 'sortdir', 'up' );
 727         } else {
 728                 arrowHTML = '<img src="' + ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 729                 span.setAttribute( 'sortdir', 'down' );
 730         }
 731
 732         for ( var i = 0; i < staticRows.length; i++ ) {
 733                 var row = staticRows[i];
 734                 newRows.splice( row[2], 0, row );
 735         }
 736
 737         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 738         // don't do sortbottom rows
 739         for ( var i = 0; i < newRows.length; i++ ) {
 740                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') == -1 ) {
 741                         table.tBodies[0].appendChild( newRows[i][0] );
 742                 }
 743         }
 744         // do sortbottom rows only
 745         for ( var i = 0; i < newRows.length; i++ ) {
 746                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') != -1 ) {
 747                         table.tBodies[0].appendChild( newRows[i][0] );
 748                 }
 749         }
 750
 751         // Delete any other arrows there may be showing
 752         var spans = getElementsByClassName( tr, 'span', 'sortarrow' );
 753         for ( var i = 0; i < spans.length; i++ ) {
 754                 spans[i].innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="&darr;"/>';
 755         }
 756         span.innerHTML = arrowHTML;
 757
 758         if ( ts_alternate_row_colors ) {
 759                 ts_alternate( table );
 760         }
 761 }
 762
 763 window.ts_initTransformTable = function() {
 764         if ( typeof wgSeparatorTransformTable == 'undefined'
 765                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 766         {
 767                 var digitClass = "[0-9,.]";
 768                 ts_number_transform_table = false;
 769         } else {
 770                 ts_number_transform_table = {};
 771                 // Unpack the transform table
 772                 // Separators
 773                 var ascii = wgSeparatorTransformTable[0].split("\t");
 774                 var localised = wgSeparatorTransformTable[1].split("\t");
 775                 for ( var i = 0; i < ascii.length; i++ ) {
 776                         ts_number_transform_table[localised[i]] = ascii[i];
 777                 }
 778                 // Digits
 779                 ascii = wgDigitTransformTable[0].split("\t");
 780                 localised = wgDigitTransformTable[1].split("\t");
 781                 for ( var i = 0; i < ascii.length; i++ ) {
 782                         ts_number_transform_table[localised[i]] = ascii[i];
 783                 }
 784
 785                 // Construct regex for number identification
 786                 var digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 787                 var maxDigitLength = 1;
 788                 for ( var digit in ts_number_transform_table ) {
 789                         // Escape regex metacharacters
 790                         digits.push(
 791                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 792                                         function( s ) { return '\\' + s; } )
 793                         );
 794                         if ( digit.length > maxDigitLength ) {
 795                                 maxDigitLength = digit.length;
 796                         }
 797                 }
 798                 if ( maxDigitLength > 1 ) {
 799                         var digitClass = '[' + digits.join( '', digits ) + ']';
 800                 } else {
 801                         var digitClass = '(' + digits.join( '|', digits ) + ')';
 802                 }
 803         }
 804
 805         // We allow a trailing percent sign, which we just strip.  This works fine
 806         // if percents and regular numbers aren't being mixed.
 807         ts_number_regex = new RegExp(
 808                 "^(" +
 809                         "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 810                         "|" +
 811                         "[-+\u2212]?" + digitClass + "+%?" + // Generic localised
 812                 ")$", "i"
 813         );
 814 }
 815
 816 window.ts_toLowerCase = function( s ) {
 817         return s.toLowerCase();
 818 }
 819
 820 window.ts_dateToSortKey = function( date ) {
 821         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 822         if ( date.length == 11 ) {
 823                 switch ( date.substr( 3, 3 ).toLowerCase() ) {
 824                         case 'jan':
 825                                 var month = '01';
 826                                 break;
 827                         case 'feb':
 828                                 var month = '02';
 829                                 break;
 830                         case 'mar':
 831                                 var month = '03';
 832                                 break;
 833                         case 'apr':
 834                                 var month = '04';
 835                                 break;
 836                         case 'may':
 837                                 var month = '05';
 838                                 break;
 839                         case 'jun':
 840                                 var month = '06';
 841                                 break;
 842                         case 'jul':
 843                                 var month = '07';
 844                                 break;
 845                         case 'aug':
 846                                 var month = '08';
 847                                 break;
 848                         case 'sep':
 849                                 var month = '09';
 850                                 break;
 851                         case 'oct':
 852                                 var month = '10';
 853                                 break;
 854                         case 'nov':
 855                                 var month = '11';
 856                                 break;
 857                         case 'dec':
 858                                 var month = '12';
 859                                 break;
 860                         // default: var month = '00';
 861                 }
 862                 return date.substr( 7, 4 ) + month + date.substr( 0, 2 );
 863         } else if ( date.length == 10 ) {
 864                 if ( ts_europeandate == false ) {
 865                         return date.substr( 6, 4 ) + date.substr( 0, 2 ) + date.substr( 3, 2 );
 866                 } else {
 867                         return date.substr( 6, 4 ) + date.substr( 3, 2 ) + date.substr( 0, 2 );
 868                 }
 869         } else if ( date.length == 8 ) {
 870                 var yr = date.substr( 6, 2 );
 871                 if ( parseInt( yr ) < 50 ) {
 872                         yr = '20' + yr;
 873                 } else {
 874                         yr = '19' + yr;
 875                 }
 876                 if ( ts_europeandate == true ) {
 877                         return yr + date.substr( 3, 2 ) + date.substr( 0, 2 );
 878                 } else {
 879                         return yr + date.substr( 0, 2 ) + date.substr( 3, 2 );
 880                 }
 881         }
 882         return '00000000';
 883 }
 884
 885 window.ts_parseFloat = function( s ) {
 886         if ( !s ) {
 887                 return 0;
 888         }
 889         if ( ts_number_transform_table != false ) {
 890                 var newNum = '', c;
 891
 892                 for ( var p = 0; p < s.length; p++ ) {
 893                         c = s.charAt( p );
 894                         if ( c in ts_number_transform_table ) {
 895                                 newNum += ts_number_transform_table[c];
 896                         } else {
 897                                 newNum += c;
 898                         }
 899                 }
 900                 s = newNum;
 901         }
 902         var num = parseFloat( s.replace(/[, ]/g, '').replace("\u2212", '-') );
 903         return ( isNaN( num ) ? -Infinity : num );
 904 }
 905
 906 window.ts_currencyToSortKey = function( s ) {
 907         return ts_parseFloat(s.replace(/[^-\u22120-9.,]/g,''));
 908 }
 909
 910 window.ts_sort_generic = function( a, b ) {
 911         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 912 }
 913
 914 window.ts_alternate = function( table ) {
 915         // Take object table and get all it's tbodies.
 916         var tableBodies = table.getElementsByTagName( 'tbody' );
 917         // Loop through these tbodies
 918         for ( var i = 0; i < tableBodies.length; i++ ) {
 919                 // Take the tbody, and get all it's rows
 920                 var tableRows = tableBodies[i].getElementsByTagName( 'tr' );
 921                 // Loop through these rows
 922                 // Start at 1 because we want to leave the heading row untouched
 923                 for ( var j = 0; j < tableRows.length; j++ ) {
 924                         // Check if j is even, and apply classes for both possible results
 925                         var oldClasses = tableRows[j].className.split(' ');
 926                         var newClassName = '';
 927                         for ( var k = 0; k < oldClasses.length; k++ ) {
 928                                 if ( oldClasses[k] != '' && oldClasses[k] != 'even' && oldClasses[k] != 'odd' ) {
 929                                         newClassName += oldClasses[k] + ' ';
 930                                 }
 931                         }
 932                         tableRows[j].className = newClassName + ( j % 2 == 0 ? 'even' : 'odd' );
 933                 }
 934         }
 935 }
 936
 937 /*
 938  * End of table sorting code
 939  */
 940
 941
 942 /**
 943  * Add a cute little box at the top of the screen to inform the user of
 944  * something, replacing any preexisting message.
 945  *
 946  * @param String -or- Dom Object message HTML to be put inside the right div
 947  * @param String className   Used in adding a class; should be different for each
 948  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 949  * @return Boolean       True on success, false on failure
 950  */
 951 window.jsMsg = function( message, className ) {
 952         if ( !document.getElementById ) {
 953                 return false;
 954         }
 955         // We special-case skin structures provided by the software.  Skins that
 956         // choose to abandon or significantly modify our formatting can just define
 957         // an mw-js-message div to start with.
 958         var messageDiv = document.getElementById( 'mw-js-message' );
 959         if ( !messageDiv ) {
 960                 messageDiv = document.createElement( 'div' );
 961                 if ( document.getElementById( 'column-content' )
 962                 && document.getElementById( 'content' ) ) {
 963                         // MonoBook, presumably
 964                         document.getElementById( 'content' ).insertBefore(
 965                                 messageDiv,
 966                                 document.getElementById( 'content' ).firstChild
 967                         );
 968                 } else if ( document.getElementById( 'content' )
 969                 && document.getElementById( 'article' ) ) {
 970                         // Non-Monobook but still recognizable (old-style)
 971                         document.getElementById( 'article').insertBefore(
 972                                 messageDiv,
 973                                 document.getElementById( 'article' ).firstChild
 974                         );
 975                 } else {
 976                         return false;
 977                 }
 978         }
 979
 980         messageDiv.setAttribute( 'id', 'mw-js-message' );
 981         messageDiv.style.display = 'block';
 982         if( className ) {
 983                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 984         }
 985
 986         if ( typeof message === 'object' ) {
 987                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 988                         messageDiv.removeChild( messageDiv.firstChild );
 989                 }
 990                 messageDiv.appendChild( message ); // Append new content
 991         } else {
 992                 messageDiv.innerHTML = message;
 993         }
 994         return true;
 995 }
 996
 997 /**
 998  * Inject a cute little progress spinner after the specified element
 999  *
1000  * @param element Element to inject after
1001  * @param id Identifier string (for use with removeSpinner(), below)
1002  */
1003 window.injectSpinner = function( element, id ) {
1004         var spinner = document.createElement( 'img' );
1005         spinner.id = 'mw-spinner-' + id;
1006         spinner.src = stylepath + '/common/images/spinner.gif';
1007         spinner.alt = spinner.title = '...';
1008         if( element.nextSibling ) {
1009                 element.parentNode.insertBefore( spinner, element.nextSibling );
1010         } else {
1011                 element.parentNode.appendChild( spinner );
1012         }
1013 }
1014
1015 /**
1016  * Remove a progress spinner added with injectSpinner()
1017  *
1018  * @param id Identifier string
1019  */
1020 window.removeSpinner = function( id ) {
1021         var spinner = document.getElementById( 'mw-spinner-' + id );
1022         if( spinner ) {
1023                 spinner.parentNode.removeChild( spinner );
1024         }
1025 }
1026
1027 window.runOnloadHook = function() {
1028         // don't run anything below this for non-dom browsers
1029         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
1030                 return;
1031         }
1032
1033         // set this before running any hooks, since any errors below
1034         // might cause the function to terminate prematurely
1035         doneOnloadHook = true;
1036
1037         updateTooltipAccessKeys( null );
1038         setupCheckboxShiftClick();
1039         sortables_init();
1040
1041         // Run any added-on functions
1042         for ( var i = 0; i < onloadFuncts.length; i++ ) {
1043                 onloadFuncts[i]();
1044         }
1045 }
1046
1047 /**
1048  * Add an event handler to an element
1049  *
1050  * @param Element element Element to add handler to
1051  * @param String attach Event to attach to
1052  * @param callable handler Event handler callback
1053  */
1054 window.addHandler = function( element, attach, handler ) {
1055         if( window.addEventListener ) {
1056                 element.addEventListener( attach, handler, false );
1057         } else if( window.attachEvent ) {
1058                 element.attachEvent( 'on' + attach, handler );
1059         }
1060 }
1061
1062 window.hookEvent = function( hookName, hookFunct ) {
1063         addHandler( window, hookName, hookFunct );
1064 }
1065
1066 /**
1067  * Add a click event handler to an element
1068  *
1069  * @param Element element Element to add handler to
1070  * @param callable handler Event handler callback
1071  */
1072 window.addClickHandler = function( element, handler ) {
1073         addHandler( element, 'click', handler );
1074 }
1075
1076 /**
1077  * Removes an event handler from an element
1078  *
1079  * @param Element element Element to remove handler from
1080  * @param String remove Event to remove
1081  * @param callable handler Event handler callback to remove
1082  */
1083 window.removeHandler = function( element, remove, handler ) {
1084         if( window.removeEventListener ) {
1085                 element.removeEventListener( remove, handler, false );
1086         } else if( window.detachEvent ) {
1087                 element.detachEvent( 'on' + remove, handler );
1088         }
1089 }
1090 // note: all skins should call runOnloadHook() at the end of html output,
1091 //      so the below should be redundant. It's there just in case.
1092 hookEvent( 'load', runOnloadHook );
1093
1094 if ( ie6_bugs ) {
1095         importScriptURI( stylepath + '/common/IEFixes.js' );
1096 }