skins/common/wikibits.js

   1 /**
   2  * MediaWiki legacy wikibits
   3  */
   4 (function(){
   5
   6 window.clientPC = navigator.userAgent.toLowerCase(); // Get client info
   7 window.is_gecko = /gecko/.test( clientPC ) &&
   8         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   9
  10 window.is_safari = window.is_safari_win = window.webkit_version =
  11         window.is_chrome = window.is_chrome_mac = false;
  12 window.webkit_match = clientPC.match(/applewebkit\/(\d+)/);
  13 if (webkit_match) {
  14         window.is_safari = clientPC.indexOf('applewebkit') != -1 &&
  15                 clientPC.indexOf('spoofer') == -1;
  16         window.is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  17         window.webkit_version = parseInt(webkit_match[1]);
  18         // Tests for chrome here, to avoid breaking old scripts safari left alone
  19         // This is here for accesskeys
  20         window.is_chrome = clientPC.indexOf('chrome') !== -1 &&
  21                 clientPC.indexOf('spoofer') === -1;
  22         window.is_chrome_mac = is_chrome && clientPC.indexOf('mac') !== -1
  23 }
  24
  25 // For accesskeys; note that FF3+ is included here!
  26 window.is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  27 window.ff2_bugs = /firefox\/2/.test( clientPC );
  28 // These aren't used here, but some custom scripts rely on them
  29 window.is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  30 window.is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  31
  32 window.is_opera = window.is_opera_preseven = window.is_opera_95 =
  33         window.opera6_bugs = window.opera7_bugs = window.opera95_bugs = false;
  34 if (clientPC.indexOf('opera') != -1) {
  35         window.is_opera = true;
  36         window.is_opera_preseven = window.opera && !document.childNodes;
  37         window.is_opera_seven = window.opera && document.childNodes;
  38         window.is_opera_95 = /opera\/(9\.[5-9]|[1-9][0-9])/.test( clientPC );
  39         window.opera6_bugs = is_opera_preseven;
  40         window.opera7_bugs = is_opera_seven && !is_opera_95;
  41         window.opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  42 }
  43 // As recommended by <http://msdn.microsoft.com/en-us/library/ms537509.aspx>,
  44 // avoiding false positives from moronic extensions that append to the IE UA
  45 // string (bug 23171)
  46 window.ie6_bugs = false;
  47 if ( /msie ([0-9]{1,}[\.0-9]{0,})/.exec( clientPC ) != null
  48 && parseFloat( RegExp.$1 ) <= 6.0 ) {
  49         ie6_bugs = true;
  50 }
  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         var uri = mw.config.get( 'wgScript' ) + '?title=' +
  70                 mw.util.wikiUrlencode( page ) +
  71                 '&action=raw&ctype=text/javascript';
  72         return importScriptURI( uri );
  73 };
  74
  75 window.loadedScripts = {}; // included-scripts tracker
  76 window.importScriptURI = function( url ) {
  77         if ( loadedScripts[url] ) {
  78                 return null;
  79         }
  80         loadedScripts[url] = true;
  81         var s = document.createElement( 'script' );
  82         s.setAttribute( 'src', url );
  83         s.setAttribute( 'type', 'text/javascript' );
  84         document.getElementsByTagName('head')[0].appendChild( s );
  85         return s;
  86 };
  87
  88 window.importStylesheet = function( page ) {
  89         return importStylesheetURI( mw.config.get( 'wgScript' ) + '?action=raw&ctype=text/css&title=' + mw.util.wikiUrlencode( page ) );
  90 };
  91
  92 window.importStylesheetURI = function( url, media ) {
  93         var l = document.createElement( 'link' );
  94         l.type = 'text/css';
  95         l.rel = 'stylesheet';
  96         l.href = url;
  97         if( media ) {
  98                 l.media = media;
  99         }
 100         document.getElementsByTagName('head')[0].appendChild( l );
 101         return l;
 102 };
 103
 104 window.appendCSS = function( text ) {
 105         var s = document.createElement( 'style' );
 106         s.type = 'text/css';
 107         s.rel = 'stylesheet';
 108         if ( s.styleSheet ) {
 109                 s.styleSheet.cssText = text; // IE
 110         } else {
 111                 s.appendChild( document.createTextNode( text + '' ) ); // Safari sometimes borks on null
 112         }
 113         document.getElementsByTagName('head')[0].appendChild( s );
 114         return s;
 115 };
 116
 117 // Special stylesheet links for Monobook only (see bug 14717)
 118 var skinpath = mw.config.get( 'stylepath' ) + '/' + mw.config.get( 'skin' );
 119 if ( mw.config.get( 'skin' ) === 'monobook' ) {
 120         if ( opera6_bugs ) {
 121                 importStylesheetURI( skinpath + '/Opera6Fixes.css' );
 122         } else if ( opera7_bugs ) {
 123                 importStylesheetURI( skinpath + '/Opera7Fixes.css' );
 124         } else if ( opera95_bugs ) {
 125                 importStylesheetURI( skinpath + '/Opera9Fixes.css' );
 126         } else if ( ff2_bugs ) {
 127                 importStylesheetURI( skinpath + '/FF2Fixes.css' );
 128         }
 129 }
 130
 131 if ( mw.config.get( 'wgBreakFrames' ) ) {
 132         // Un-trap us from framesets
 133         if ( window.top != window ) {
 134                 window.top.location = window.location;
 135         }
 136 }
 137
 138 window.changeText = function( el, newText ) {
 139         // Safari work around
 140         if ( el.innerText ) {
 141                 el.innerText = newText;
 142         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 143                 el.firstChild.nodeValue = newText;
 144         }
 145 };
 146
 147 window.killEvt = function( evt ) {
 148         evt = evt || window.event || window.Event; // W3C, IE, Netscape
 149         if ( typeof ( evt.preventDefault ) != 'undefined' ) {
 150                 evt.preventDefault(); // Don't follow the link
 151                 evt.stopPropagation();
 152         } else {
 153                 evt.cancelBubble = true; // IE
 154         }
 155         return false; // Don't follow the link (IE)
 156 };
 157
 158 window.mwEditButtons = [];
 159 window.mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 160
 161 window.escapeQuotes = function( text ) {
 162         var re = new RegExp( "'", "g" );
 163         text = text.replace( re, "\\'" );
 164         re = new RegExp( "\\n", "g" );
 165         text = text.replace( re, "\\n" );
 166         return escapeQuotesHTML( text );
 167 };
 168
 169 window.escapeQuotesHTML = function( text ) {
 170         var re = new RegExp( '&', "g" );
 171         text = text.replace( re, "&amp;" );
 172         re = new RegExp( '"', "g" );
 173         text = text.replace( re, "&quot;" );
 174         re = new RegExp( '<', "g" );
 175         text = text.replace( re, "&lt;" );
 176         re = new RegExp( '>', "g" );
 177         text = text.replace( re, "&gt;" );
 178         return text;
 179 };
 180
 181 /**
 182  * Set the accesskey prefix based on browser detection.
 183  */
 184 window.tooltipAccessKeyPrefix = 'alt-';
 185 if ( is_opera ) {
 186         tooltipAccessKeyPrefix = 'shift-esc-';
 187 } else if ( is_chrome ) {
 188         tooltipAccessKeyPrefix = is_chrome_mac ? 'ctrl-option-' : 'alt-';
 189 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 190         tooltipAccessKeyPrefix = 'ctrl-alt-';
 191 } else if ( !is_safari_win && ( is_safari
 192                 || clientPC.indexOf('mac') != -1
 193                 || clientPC.indexOf('konqueror') != -1 ) ) {
 194         tooltipAccessKeyPrefix = 'ctrl-';
 195 } else if ( is_ff2 ) {
 196         tooltipAccessKeyPrefix = 'alt-shift-';
 197 }
 198 window.tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 199
 200 /**
 201  * Add the appropriate prefix to the accesskey shown in the tooltip.
 202  * If the nodeList parameter is given, only those nodes are updated;
 203  * otherwise, all the nodes that will probably have accesskeys by
 204  * default are updated.
 205  *
 206  * @param nodeList Array list of elements to update
 207  */
 208 window.updateTooltipAccessKeys = function( nodeList ) {
 209         if ( !nodeList ) {
 210                 // Rather than scan all links on the whole page, we can just scan these
 211                 // containers which contain the relevant links. This is really just an
 212                 // optimization technique.
 213                 var linkContainers = [
 214                         'column-one', // Monobook and Modern
 215                         'mw-head', 'mw-panel', 'p-logo' // Vector
 216                 ];
 217                 for ( var i in linkContainers ) {
 218                         var linkContainer = document.getElementById( linkContainers[i] );
 219                         if ( linkContainer ) {
 220                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 221                         }
 222                 }
 223                 // these are rare enough that no such optimization is needed
 224                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 225                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 226                 return;
 227         }
 228
 229         for ( var i = 0; i < nodeList.length; i++ ) {
 230                 var element = nodeList[i];
 231                 var tip = element.getAttribute( 'title' );
 232                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 233                         tip = tip.replace(tooltipAccessKeyRegexp,
 234                                           '[' + tooltipAccessKeyPrefix + "$5]");
 235                         element.setAttribute( 'title', tip );
 236                 }
 237         }
 238 };
 239
 240 /**
 241  * Add a link to one of the portlet menus on the page, including:
 242  *
 243  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 244  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 245  * p-navigation: Navigation
 246  * p-tb: Toolbox
 247  *
 248  * This function exists for the convenience of custom JS authors.  All
 249  * but the first three parameters are optional, though providing at
 250  * least an id and a tooltip is recommended.
 251  *
 252  * By default the new link will be added to the end of the list.  To
 253  * add the link before a given existing item, pass the DOM node of
 254  * that item (easily obtained with document.getElementById()) as the
 255  * nextnode parameter; to add the link _after_ an existing item, pass
 256  * the node's nextSibling instead.
 257  *
 258  * @param portlet String id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 259  * @param href String link URL
 260  * @param text String link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 261  * @param id String id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 262  * @param tooltip String text to show when hovering over the link, without accesskey suffix
 263  * @param accesskey String accesskey to activate this link (one character, try to avoid conflicts)
 264  * @param nextnode Node the DOM node before which the new item should be added, should be another item in the same list
 265  *
 266  * @return Node -- the DOM node of the new item (an LI element) or null
 267  */
 268 window.addPortletLink = function( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 269         var root = document.getElementById( portlet );
 270         if ( !root ) {
 271                 return null;
 272         }
 273         var uls = root.getElementsByTagName( 'ul' );
 274         var node;
 275         if ( uls.length > 0 ) {
 276                 node = uls[0];
 277         } else {
 278                 node = document.createElement( 'ul' );
 279                 var lastElementChild = null;
 280                 for ( var i = 0; i < root.childNodes.length; ++i ) { /* get root.lastElementChild */
 281                         if ( root.childNodes[i].nodeType == 1 ) {
 282                                 lastElementChild = root.childNodes[i];
 283                         }
 284                 }
 285                 if ( lastElementChild && lastElementChild.nodeName.match( /div/i ) ) {
 286                         /* Insert into the menu divs */
 287                         lastElementChild.appendChild( node );
 288                 } else {
 289                         root.appendChild( node );
 290                 }
 291         }
 292         if ( !node ) {
 293                 return null;
 294         }
 295
 296         // unhide portlet if it was hidden before
 297         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 298
 299         var link = document.createElement( 'a' );
 300         link.appendChild( document.createTextNode( text ) );
 301         link.href = href;
 302
 303         // Wrap in a span - make it work with vector tabs and has no effect on any other portlets
 304         var span = document.createElement( 'span' );
 305         span.appendChild( link );
 306
 307         var item = document.createElement( 'li' );
 308         item.appendChild( span );
 309         if ( id ) {
 310                 item.id = id;
 311         }
 312
 313         if ( accesskey ) {
 314                 link.setAttribute( 'accesskey', accesskey );
 315                 tooltip += ' [' + accesskey + ']';
 316         }
 317         if ( tooltip ) {
 318                 link.setAttribute( 'title', tooltip );
 319         }
 320         if ( accesskey && tooltip ) {
 321                 updateTooltipAccessKeys( [link] );
 322         }
 323
 324         if ( nextnode && nextnode.parentNode == node ) {
 325                 node.insertBefore( item, nextnode );
 326         } else {
 327                 node.appendChild( item );  // IE compatibility (?)
 328         }
 329
 330         return item;
 331 };
 332
 333 window.getInnerText = function( el ) {
 334         if ( typeof el == 'string' ) {
 335                 return el;
 336         }
 337         if ( typeof el == 'undefined' ) {
 338                 return el;
 339         }
 340         // Custom sort value through 'data-sort-value' attribute
 341         // (no need to prepend hidden text to change sort value)
 342         if ( el.nodeType && el.getAttribute( 'data-sort-value' ) !== null ) {
 343                 // Make sure it's a valid DOM element (.nodeType) and that the attribute is set (!null)
 344                 return el.getAttribute( 'data-sort-value' );
 345         }
 346         if ( el.textContent ) {
 347                 return el.textContent; // not needed but it is faster
 348         }
 349         if ( el.innerText ) {
 350                 return el.innerText; // IE doesn't have textContent
 351         }
 352         var str = '';
 353
 354         var cs = el.childNodes;
 355         var l = cs.length;
 356         for ( var i = 0; i < l; i++ ) {
 357                 switch ( cs[i].nodeType ) {
 358                         case 1: // ELEMENT_NODE
 359                                 str += getInnerText( cs[i] );
 360                                 break;
 361                         case 3: // TEXT_NODE
 362                                 str += cs[i].nodeValue;
 363                                 break;
 364                 }
 365         }
 366         return str;
 367 };
 368
 369 window.checkboxes = undefined;
 370 window.lastCheckbox = undefined;
 371
 372 window.setupCheckboxShiftClick = function() {
 373         checkboxes = [];
 374         lastCheckbox = null;
 375         var inputs = document.getElementsByTagName( 'input' );
 376         addCheckboxClickHandlers( inputs );
 377 };
 378
 379 window.addCheckboxClickHandlers = function( inputs, start ) {
 380         if ( !start ) {
 381                 start = 0;
 382         }
 383
 384         var finish = start + 250;
 385         if ( finish > inputs.length ) {
 386                 finish = inputs.length;
 387         }
 388
 389         for ( var i = start; i < finish; i++ ) {
 390                 var cb = inputs[i];
 391                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' || ( ' ' + cb.className + ' ' ).indexOf( ' noshiftselect ' )  != -1 ) {
 392                         continue;
 393                 }
 394                 var end = checkboxes.length;
 395                 checkboxes[end] = cb;
 396                 cb.index = end;
 397                 addClickHandler( cb, checkboxClickHandler );
 398         }
 399
 400         if ( finish < inputs.length ) {
 401                 setTimeout( function() {
 402                         addCheckboxClickHandlers( inputs, finish );
 403                 }, 200 );
 404         }
 405 };
 406
 407 window.checkboxClickHandler = function( e ) {
 408         if ( typeof e == 'undefined' ) {
 409                 e = window.event;
 410         }
 411         if ( !e.shiftKey || lastCheckbox === null ) {
 412                 lastCheckbox = this.index;
 413                 return true;
 414         }
 415         var endState = this.checked;
 416         var start, finish;
 417         if ( this.index < lastCheckbox ) {
 418                 start = this.index + 1;
 419                 finish = lastCheckbox;
 420         } else {
 421                 start = lastCheckbox;
 422                 finish = this.index - 1;
 423         }
 424         for ( var i = start; i <= finish; ++i ) {
 425                 checkboxes[i].checked = endState;
 426                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 427                         checkboxes[i].onchange(); // fire triggers
 428                 }
 429         }
 430         lastCheckbox = this.index;
 431         return true;
 432 };
 433
 434
 435 /*
 436         Written by Jonathan Snook, http://www.snook.ca/jonathan
 437         Add-ons by Robert Nyman, http://www.robertnyman.com
 438         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 439         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 440 */
 441 window.getElementsByClassName = function( oElm, strTagName, oClassNames ) {
 442         var arrReturnElements = [];
 443         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 444                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 445                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 446                 if ( strTagName == '*' ) {
 447                         return arrNativeReturn;
 448                 }
 449                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 450                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 451                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 452                         }
 453                 }
 454                 return arrReturnElements;
 455         }
 456         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 457         var arrRegExpClassNames = [];
 458         if( typeof oClassNames == 'object' ) {
 459                 for( var i = 0; i < oClassNames.length; i++ ) {
 460                         arrRegExpClassNames[arrRegExpClassNames.length] =
 461                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 462                 }
 463         } else {
 464                 arrRegExpClassNames[arrRegExpClassNames.length] =
 465                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 466         }
 467         var oElement;
 468         var bMatchesAll;
 469         for( var j = 0; j < arrElements.length; j++ ) {
 470                 oElement = arrElements[j];
 471                 bMatchesAll = true;
 472                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 473                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 474                                 bMatchesAll = false;
 475                                 break;
 476                         }
 477                 }
 478                 if( bMatchesAll ) {
 479                         arrReturnElements[arrReturnElements.length] = oElement;
 480                 }
 481         }
 482         return ( arrReturnElements );
 483 };
 484
 485 window.redirectToFragment = function( fragment ) {
 486         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 487         if ( match ) {
 488                 var webKitVersion = parseInt( match[1] );
 489                 if ( webKitVersion < 420 ) {
 490                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 491                         // Nightlies of 420+ are ok
 492                         return;
 493                 }
 494         }
 495         if ( window.location.hash == '' ) {
 496                 window.location.hash = fragment;
 497
 498                 // Mozilla needs to wait until after load, otherwise the window doesn't
 499                 // scroll.  See <https://bugzilla.mozilla.org/show_bug.cgi?id=516293>.
 500                 // There's no obvious way to detect this programmatically, so we use
 501                 // version-testing.  If Firefox fixes the bug, they'll jump twice, but
 502                 // better twice than not at all, so make the fix hit future versions as
 503                 // well.
 504                 if ( is_gecko ) {
 505                         addOnloadHook(function() {
 506                                 if ( window.location.hash == fragment ) {
 507                                         window.location.hash = fragment;
 508                                 }
 509                         });
 510                 }
 511         }
 512 };
 513
 514 /**
 515  * Add a cute little box at the top of the screen to inform the user of
 516  * something, replacing any preexisting message.
 517  *
 518  * @param message String -or- Dom Object  HTML to be put inside the right div
 519  * @param className String   Used in adding a class; should be different for each
 520  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 521  * @return Boolean       True on success, false on failure
 522  */
 523 window.jsMsg = function( message, className ) {
 524         if ( !document.getElementById ) {
 525                 return false;
 526         }
 527         // We special-case skin structures provided by the software.  Skins that
 528         // choose to abandon or significantly modify our formatting can just define
 529         // an mw-js-message div to start with.
 530         var messageDiv = document.getElementById( 'mw-js-message' );
 531         if ( !messageDiv ) {
 532                 messageDiv = document.createElement( 'div' );
 533                 if ( document.getElementById( 'column-content' )
 534                 && document.getElementById( 'content' ) ) {
 535                         // MonoBook, presumably
 536                         document.getElementById( 'content' ).insertBefore(
 537                                 messageDiv,
 538                                 document.getElementById( 'content' ).firstChild
 539                         );
 540                 } else if ( document.getElementById( 'content' )
 541                 && document.getElementById( 'article' ) ) {
 542                         // Non-Monobook but still recognizable (old-style)
 543                         document.getElementById( 'article').insertBefore(
 544                                 messageDiv,
 545                                 document.getElementById( 'article' ).firstChild
 546                         );
 547                 } else {
 548                         return false;
 549                 }
 550         }
 551
 552         messageDiv.setAttribute( 'id', 'mw-js-message' );
 553         messageDiv.style.display = 'block';
 554         if( className ) {
 555                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 556         }
 557
 558         if ( typeof message === 'object' ) {
 559                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 560                         messageDiv.removeChild( messageDiv.firstChild );
 561                 }
 562                 messageDiv.appendChild( message ); // Append new content
 563         } else {
 564                 messageDiv.innerHTML = message;
 565         }
 566         return true;
 567 };
 568
 569 /**
 570  * Inject a cute little progress spinner after the specified element
 571  *
 572  * @param element Element to inject after
 573  * @param id Identifier string (for use with removeSpinner(), below)
 574  */
 575 window.injectSpinner = function( element, id ) {
 576         var spinner = document.createElement( 'img' );
 577         spinner.id = 'mw-spinner-' + id;
 578         spinner.src = mw.config.get( 'stylepath' ) + '/common/images/spinner.gif';
 579         spinner.alt = spinner.title = '...';
 580         if( element.nextSibling ) {
 581                 element.parentNode.insertBefore( spinner, element.nextSibling );
 582         } else {
 583                 element.parentNode.appendChild( spinner );
 584         }
 585 };
 586
 587 /**
 588  * Remove a progress spinner added with injectSpinner()
 589  *
 590  * @param id Identifier string
 591  */
 592 window.removeSpinner = function( id ) {
 593         var spinner = document.getElementById( 'mw-spinner-' + id );
 594         if( spinner ) {
 595                 spinner.parentNode.removeChild( spinner );
 596         }
 597 };
 598
 599 window.runOnloadHook = function() {
 600         // don't run anything below this for non-dom browsers
 601         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
 602                 return;
 603         }
 604
 605         // set this before running any hooks, since any errors below
 606         // might cause the function to terminate prematurely
 607         doneOnloadHook = true;
 608
 609         // Run any added-on functions
 610         for ( var i = 0; i < onloadFuncts.length; i++ ) {
 611                 onloadFuncts[i]();
 612         }
 613 };
 614
 615 /**
 616  * Add an event handler to an element
 617  *
 618  * @param element Element to add handler to
 619  * @param attach String Event to attach to
 620  * @param handler callable Event handler callback
 621  */
 622 window.addHandler = function( element, attach, handler ) {
 623         if( element.addEventListener ) {
 624                 element.addEventListener( attach, handler, false );
 625         } else if( element.attachEvent ) {
 626                 element.attachEvent( 'on' + attach, handler );
 627         }
 628 };
 629
 630 window.hookEvent = function( hookName, hookFunct ) {
 631         addHandler( window, hookName, hookFunct );
 632 };
 633
 634 /**
 635  * Add a click event handler to an element
 636  *
 637  * @param element Element to add handler to
 638  * @param handler callable Event handler callback
 639  */
 640 window.addClickHandler = function( element, handler ) {
 641         addHandler( element, 'click', handler );
 642 };
 643
 644 /**
 645  * Removes an event handler from an element
 646  *
 647  * @param element Element to remove handler from
 648  * @param remove String Event to remove
 649  * @param handler callable Event handler callback to remove
 650  */
 651 window.removeHandler = function( element, remove, handler ) {
 652         if( window.removeEventListener ) {
 653                 element.removeEventListener( remove, handler, false );
 654         } else if( window.detachEvent ) {
 655                 element.detachEvent( 'on' + remove, handler );
 656         }
 657 };
 658 // note: all skins should call runOnloadHook() at the end of html output,
 659 //      so the below should be redundant. It's there just in case.
 660 hookEvent( 'load', runOnloadHook );
 661
 662 if ( ie6_bugs ) {
 663         importScriptURI( mw.config.get( 'stylepath' ) + '/common/IEFixes.js' );
 664 }
 665
 666 })();