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 // Global external objects used by this script.
  53 /*extern ta */
  54
  55 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  56 window.doneOnloadHook = undefined;
  57
  58 if (!window.onloadFuncts) {
  59         window.onloadFuncts = [];
  60 }
  61
  62 window.addOnloadHook = function( hookFunct ) {
  63         // Allows add-on scripts to add onload functions
  64         if( !doneOnloadHook ) {
  65                 onloadFuncts[onloadFuncts.length] = hookFunct;
  66         } else {
  67                 hookFunct();  // bug in MSIE script loading
  68         }
  69 };
  70
  71 window.importScript = function( page ) {
  72         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  73         var uri = wgScript + '?title=' +
  74                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  75                 '&action=raw&ctype=text/javascript';
  76         return importScriptURI( uri );
  77 };
  78
  79 window.loadedScripts = {}; // included-scripts tracker
  80 window.importScriptURI = function( url ) {
  81         if ( loadedScripts[url] ) {
  82                 return null;
  83         }
  84         loadedScripts[url] = true;
  85         var s = document.createElement( 'script' );
  86         s.setAttribute( 'src', url );
  87         s.setAttribute( 'type', 'text/javascript' );
  88         document.getElementsByTagName('head')[0].appendChild( s );
  89         return s;
  90 };
  91
  92 window.importStylesheet = function( page ) {
  93         return importStylesheetURI( wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent( page.replace(/ /g,'_') ) );
  94 };
  95
  96 window.importStylesheetURI = function( url, media ) {
  97         var l = document.createElement( 'link' );
  98         l.type = 'text/css';
  99         l.rel = 'stylesheet';
 100         l.href = url;
 101         if( media ) {
 102                 l.media = media;
 103         }
 104         document.getElementsByTagName('head')[0].appendChild( l );
 105         return l;
 106 };
 107
 108 window.appendCSS = function( text ) {
 109         var s = document.createElement( 'style' );
 110         s.type = 'text/css';
 111         s.rel = 'stylesheet';
 112         if ( s.styleSheet ) {
 113                 s.styleSheet.cssText = text; // IE
 114         } else {
 115                 s.appendChild( document.createTextNode( text + '' ) ); // Safari sometimes borks on null
 116         }
 117         document.getElementsByTagName('head')[0].appendChild( s );
 118         return s;
 119 };
 120
 121 // Special stylesheet links for Monobook only (see bug 14717)
 122 var skinpath = mw.config.get( 'stylepath' ) + '/' + mw.config.get( 'skin' );
 123 if ( mw.config.get( 'skin' ) === 'monobook' ) {
 124         if ( opera6_bugs ) {
 125                 importStylesheetURI( skinpath + '/Opera6Fixes.css' );
 126         } else if ( opera7_bugs ) {
 127                 importStylesheetURI( skinpath + '/Opera7Fixes.css' );
 128         } else if ( opera95_bugs ) {
 129                 importStylesheetURI( skinpath + '/Opera9Fixes.css' );
 130         } else if ( ff2_bugs ) {
 131                 importStylesheetURI( skinpath + '/FF2Fixes.css' );
 132         }
 133 }
 134
 135 if ( mw.config.get( 'wgBreakFrames' ) ) {
 136         // Un-trap us from framesets
 137         if ( window.top != window ) {
 138                 window.top.location = window.location;
 139         }
 140 }
 141
 142 window.changeText = function( el, newText ) {
 143         // Safari work around
 144         if ( el.innerText ) {
 145                 el.innerText = newText;
 146         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 147                 el.firstChild.nodeValue = newText;
 148         }
 149 };
 150
 151 window.killEvt = function( evt ) {
 152         evt = evt || window.event || window.Event; // W3C, IE, Netscape
 153         if ( typeof ( evt.preventDefault ) != 'undefined' ) {
 154                 evt.preventDefault(); // Don't follow the link
 155                 evt.stopPropagation();
 156         } else {
 157                 evt.cancelBubble = true; // IE
 158         }
 159         return false; // Don't follow the link (IE)
 160 };
 161
 162 window.mwEditButtons = [];
 163 window.mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 164
 165 window.escapeQuotes = function( text ) {
 166         var re = new RegExp( "'", "g" );
 167         text = text.replace( re, "\\'" );
 168         re = new RegExp( "\\n", "g" );
 169         text = text.replace( re, "\\n" );
 170         return escapeQuotesHTML( text );
 171 };
 172
 173 window.escapeQuotesHTML = function( text ) {
 174         var re = new RegExp( '&', "g" );
 175         text = text.replace( re, "&amp;" );
 176         re = new RegExp( '"', "g" );
 177         text = text.replace( re, "&quot;" );
 178         re = new RegExp( '<', "g" );
 179         text = text.replace( re, "&lt;" );
 180         re = new RegExp( '>', "g" );
 181         text = text.replace( re, "&gt;" );
 182         return text;
 183 };
 184
 185 /**
 186  * Set the accesskey prefix based on browser detection.
 187  */
 188 window.tooltipAccessKeyPrefix = 'alt-';
 189 if ( is_opera ) {
 190         tooltipAccessKeyPrefix = 'shift-esc-';
 191 } else if ( is_chrome ) {
 192         tooltipAccessKeyPrefix = is_chrome_mac ? 'ctrl-option-' : 'alt-';
 193 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 194         tooltipAccessKeyPrefix = 'ctrl-alt-';
 195 } else if ( !is_safari_win && ( is_safari
 196                 || clientPC.indexOf('mac') != -1
 197                 || clientPC.indexOf('konqueror') != -1 ) ) {
 198         tooltipAccessKeyPrefix = 'ctrl-';
 199 } else if ( is_ff2 ) {
 200         tooltipAccessKeyPrefix = 'alt-shift-';
 201 }
 202 window.tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 203
 204 /**
 205  * Add the appropriate prefix to the accesskey shown in the tooltip.
 206  * If the nodeList parameter is given, only those nodes are updated;
 207  * otherwise, all the nodes that will probably have accesskeys by
 208  * default are updated.
 209  *
 210  * @param nodeList Array list of elements to update
 211  */
 212 window.updateTooltipAccessKeys = function( nodeList ) {
 213         if ( !nodeList ) {
 214                 // Rather than scan all links on the whole page, we can just scan these
 215                 // containers which contain the relevant links. This is really just an
 216                 // optimization technique.
 217                 var linkContainers = [
 218                         'column-one', // Monobook and Modern
 219                         'mw-head', 'mw-panel', 'p-logo' // Vector
 220                 ];
 221                 for ( var i in linkContainers ) {
 222                         var linkContainer = document.getElementById( linkContainers[i] );
 223                         if ( linkContainer ) {
 224                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 225                         }
 226                 }
 227                 // these are rare enough that no such optimization is needed
 228                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 229                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 230                 return;
 231         }
 232
 233         for ( var i = 0; i < nodeList.length; i++ ) {
 234                 var element = nodeList[i];
 235                 var tip = element.getAttribute( 'title' );
 236                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 237                         tip = tip.replace(tooltipAccessKeyRegexp,
 238                                           '[' + tooltipAccessKeyPrefix + "$5]");
 239                         element.setAttribute( 'title', tip );
 240                 }
 241         }
 242 };
 243
 244 /**
 245  * Add a link to one of the portlet menus on the page, including:
 246  *
 247  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 248  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 249  * p-navigation: Navigation
 250  * p-tb: Toolbox
 251  *
 252  * This function exists for the convenience of custom JS authors.  All
 253  * but the first three parameters are optional, though providing at
 254  * least an id and a tooltip is recommended.
 255  *
 256  * By default the new link will be added to the end of the list.  To
 257  * add the link before a given existing item, pass the DOM node of
 258  * that item (easily obtained with document.getElementById()) as the
 259  * nextnode parameter; to add the link _after_ an existing item, pass
 260  * the node's nextSibling instead.
 261  *
 262  * @param portlet String id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 263  * @param href String link URL
 264  * @param text String link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 265  * @param id String id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 266  * @param tooltip String text to show when hovering over the link, without accesskey suffix
 267  * @param accesskey String accesskey to activate this link (one character, try to avoid conflicts)
 268  * @param nextnode Node the DOM node before which the new item should be added, should be another item in the same list
 269  *
 270  * @return Node -- the DOM node of the new item (an LI element) or null
 271  */
 272 window.addPortletLink = function( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 273         var root = document.getElementById( portlet );
 274         if ( !root ) {
 275                 return null;
 276         }
 277         var uls = root.getElementsByTagName( 'ul' );
 278         var node;
 279         if ( uls.length > 0 ) {
 280                 node = uls[0];
 281         } else {
 282                 node = document.createElement( 'ul' );
 283                 var lastElementChild = null;
 284                 for ( var i = 0; i < root.childNodes.length; ++i ) { /* get root.lastElementChild */
 285                         if ( root.childNodes[i].nodeType == 1 ) {
 286                                 lastElementChild = root.childNodes[i];
 287                         }
 288                 }
 289                 if ( lastElementChild && lastElementChild.nodeName.match( /div/i ) ) {
 290                         /* Insert into the menu divs */
 291                         lastElementChild.appendChild( node );
 292                 } else {
 293                         root.appendChild( node );
 294                 }
 295         }
 296         if ( !node ) {
 297                 return null;
 298         }
 299
 300         // unhide portlet if it was hidden before
 301         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 302
 303         var link = document.createElement( 'a' );
 304         link.appendChild( document.createTextNode( text ) );
 305         link.href = href;
 306
 307         // Wrap in a span - make it work with vector tabs and has no effect on any other portlets
 308         var span = document.createElement( 'span' );
 309         span.appendChild( link );
 310
 311         var item = document.createElement( 'li' );
 312         item.appendChild( span );
 313         if ( id ) {
 314                 item.id = id;
 315         }
 316
 317         if ( accesskey ) {
 318                 link.setAttribute( 'accesskey', accesskey );
 319                 tooltip += ' [' + accesskey + ']';
 320         }
 321         if ( tooltip ) {
 322                 link.setAttribute( 'title', tooltip );
 323         }
 324         if ( accesskey && tooltip ) {
 325                 updateTooltipAccessKeys( [link] );
 326         }
 327
 328         if ( nextnode && nextnode.parentNode == node ) {
 329                 node.insertBefore( item, nextnode );
 330         } else {
 331                 node.appendChild( item );  // IE compatibility (?)
 332         }
 333
 334         return item;
 335 };
 336
 337 window.getInnerText = function( el ) {
 338         if ( typeof el == 'string' ) {
 339                 return el;
 340         }
 341         if ( typeof el == 'undefined' ) {
 342                 return el;
 343         }
 344         // Custom sort value through 'data-sort-value' attribute
 345         // (no need to prepend hidden text to change sort value)
 346         if ( el.nodeType && el.getAttribute( 'data-sort-value' ) !== null ) {
 347                 // Make sure it's a valid DOM element (.nodeType) and that the attribute is set (!null)
 348                 return el.getAttribute( 'data-sort-value' );
 349         }
 350         if ( el.textContent ) {
 351                 return el.textContent; // not needed but it is faster
 352         }
 353         if ( el.innerText ) {
 354                 return el.innerText; // IE doesn't have textContent
 355         }
 356         var str = '';
 357
 358         var cs = el.childNodes;
 359         var l = cs.length;
 360         for ( var i = 0; i < l; i++ ) {
 361                 switch ( cs[i].nodeType ) {
 362                         case 1: // ELEMENT_NODE
 363                                 str += getInnerText( cs[i] );
 364                                 break;
 365                         case 3: // TEXT_NODE
 366                                 str += cs[i].nodeValue;
 367                                 break;
 368                 }
 369         }
 370         return str;
 371 };
 372
 373 /* Dummy for deprecated function */
 374 window.ta = [];
 375 window.akeytt = function( doId ) {
 376 };
 377
 378 window.checkboxes = undefined;
 379 window.lastCheckbox = undefined;
 380
 381 window.setupCheckboxShiftClick = function() {
 382         checkboxes = [];
 383         lastCheckbox = null;
 384         var inputs = document.getElementsByTagName( 'input' );
 385         addCheckboxClickHandlers( inputs );
 386 };
 387
 388 window.addCheckboxClickHandlers = function( inputs, start ) {
 389         if ( !start ) {
 390                 start = 0;
 391         }
 392
 393         var finish = start + 250;
 394         if ( finish > inputs.length ) {
 395                 finish = inputs.length;
 396         }
 397
 398         for ( var i = start; i < finish; i++ ) {
 399                 var cb = inputs[i];
 400                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' || ( ' ' + cb.className + ' ' ).indexOf( ' noshiftselect ' )  != -1 ) {
 401                         continue;
 402                 }
 403                 var end = checkboxes.length;
 404                 checkboxes[end] = cb;
 405                 cb.index = end;
 406                 addClickHandler( cb, checkboxClickHandler );
 407         }
 408
 409         if ( finish < inputs.length ) {
 410                 setTimeout( function() {
 411                         addCheckboxClickHandlers( inputs, finish );
 412                 }, 200 );
 413         }
 414 };
 415
 416 window.checkboxClickHandler = function( e ) {
 417         if ( typeof e == 'undefined' ) {
 418                 e = window.event;
 419         }
 420         if ( !e.shiftKey || lastCheckbox === null ) {
 421                 lastCheckbox = this.index;
 422                 return true;
 423         }
 424         var endState = this.checked;
 425         var start, finish;
 426         if ( this.index < lastCheckbox ) {
 427                 start = this.index + 1;
 428                 finish = lastCheckbox;
 429         } else {
 430                 start = lastCheckbox;
 431                 finish = this.index - 1;
 432         }
 433         for ( var i = start; i <= finish; ++i ) {
 434                 checkboxes[i].checked = endState;
 435                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 436                         checkboxes[i].onchange(); // fire triggers
 437                 }
 438         }
 439         lastCheckbox = this.index;
 440         return true;
 441 };
 442
 443
 444 /*
 445         Written by Jonathan Snook, http://www.snook.ca/jonathan
 446         Add-ons by Robert Nyman, http://www.robertnyman.com
 447         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 448         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 449 */
 450 window.getElementsByClassName = function( oElm, strTagName, oClassNames ) {
 451         var arrReturnElements = [];
 452         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 453                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 454                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 455                 if ( strTagName == '*' ) {
 456                         return arrNativeReturn;
 457                 }
 458                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 459                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 460                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 461                         }
 462                 }
 463                 return arrReturnElements;
 464         }
 465         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 466         var arrRegExpClassNames = [];
 467         if( typeof oClassNames == 'object' ) {
 468                 for( var i = 0; i < oClassNames.length; i++ ) {
 469                         arrRegExpClassNames[arrRegExpClassNames.length] =
 470                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 471                 }
 472         } else {
 473                 arrRegExpClassNames[arrRegExpClassNames.length] =
 474                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 475         }
 476         var oElement;
 477         var bMatchesAll;
 478         for( var j = 0; j < arrElements.length; j++ ) {
 479                 oElement = arrElements[j];
 480                 bMatchesAll = true;
 481                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 482                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 483                                 bMatchesAll = false;
 484                                 break;
 485                         }
 486                 }
 487                 if( bMatchesAll ) {
 488                         arrReturnElements[arrReturnElements.length] = oElement;
 489                 }
 490         }
 491         return ( arrReturnElements );
 492 };
 493
 494 window.redirectToFragment = function( fragment ) {
 495         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 496         if ( match ) {
 497                 var webKitVersion = parseInt( match[1] );
 498                 if ( webKitVersion < 420 ) {
 499                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 500                         // Nightlies of 420+ are ok
 501                         return;
 502                 }
 503         }
 504         if ( window.location.hash == '' ) {
 505                 window.location.hash = fragment;
 506
 507                 // Mozilla needs to wait until after load, otherwise the window doesn't
 508                 // scroll.  See <https://bugzilla.mozilla.org/show_bug.cgi?id=516293>.
 509                 // There's no obvious way to detect this programmatically, so we use
 510                 // version-testing.  If Firefox fixes the bug, they'll jump twice, but
 511                 // better twice than not at all, so make the fix hit future versions as
 512                 // well.
 513                 if ( is_gecko ) {
 514                         addOnloadHook(function() {
 515                                 if ( window.location.hash == fragment ) {
 516                                         window.location.hash = fragment;
 517                                 }
 518                         });
 519                 }
 520         }
 521 };
 522
 523 /**
 524  * Add a cute little box at the top of the screen to inform the user of
 525  * something, replacing any preexisting message.
 526  *
 527  * @param message String -or- Dom Object  HTML to be put inside the right div
 528  * @param className String   Used in adding a class; should be different for each
 529  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 530  * @return Boolean       True on success, false on failure
 531  */
 532 window.jsMsg = function( message, className ) {
 533         if ( !document.getElementById ) {
 534                 return false;
 535         }
 536         // We special-case skin structures provided by the software.  Skins that
 537         // choose to abandon or significantly modify our formatting can just define
 538         // an mw-js-message div to start with.
 539         var messageDiv = document.getElementById( 'mw-js-message' );
 540         if ( !messageDiv ) {
 541                 messageDiv = document.createElement( 'div' );
 542                 if ( document.getElementById( 'column-content' )
 543                 && document.getElementById( 'content' ) ) {
 544                         // MonoBook, presumably
 545                         document.getElementById( 'content' ).insertBefore(
 546                                 messageDiv,
 547                                 document.getElementById( 'content' ).firstChild
 548                         );
 549                 } else if ( document.getElementById( 'content' )
 550                 && document.getElementById( 'article' ) ) {
 551                         // Non-Monobook but still recognizable (old-style)
 552                         document.getElementById( 'article').insertBefore(
 553                                 messageDiv,
 554                                 document.getElementById( 'article' ).firstChild
 555                         );
 556                 } else {
 557                         return false;
 558                 }
 559         }
 560
 561         messageDiv.setAttribute( 'id', 'mw-js-message' );
 562         messageDiv.style.display = 'block';
 563         if( className ) {
 564                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 565         }
 566
 567         if ( typeof message === 'object' ) {
 568                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 569                         messageDiv.removeChild( messageDiv.firstChild );
 570                 }
 571                 messageDiv.appendChild( message ); // Append new content
 572         } else {
 573                 messageDiv.innerHTML = message;
 574         }
 575         return true;
 576 };
 577
 578 /**
 579  * Inject a cute little progress spinner after the specified element
 580  *
 581  * @param element Element to inject after
 582  * @param id Identifier string (for use with removeSpinner(), below)
 583  */
 584 window.injectSpinner = function( element, id ) {
 585         var spinner = document.createElement( 'img' );
 586         spinner.id = 'mw-spinner-' + id;
 587         spinner.src = mw.config.get( 'stylepath' ) + '/common/images/spinner.gif';
 588         spinner.alt = spinner.title = '...';
 589         if( element.nextSibling ) {
 590                 element.parentNode.insertBefore( spinner, element.nextSibling );
 591         } else {
 592                 element.parentNode.appendChild( spinner );
 593         }
 594 };
 595
 596 /**
 597  * Remove a progress spinner added with injectSpinner()
 598  *
 599  * @param id Identifier string
 600  */
 601 window.removeSpinner = function( id ) {
 602         var spinner = document.getElementById( 'mw-spinner-' + id );
 603         if( spinner ) {
 604                 spinner.parentNode.removeChild( spinner );
 605         }
 606 };
 607
 608 window.runOnloadHook = function() {
 609         // don't run anything below this for non-dom browsers
 610         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
 611                 return;
 612         }
 613
 614         // set this before running any hooks, since any errors below
 615         // might cause the function to terminate prematurely
 616         doneOnloadHook = true;
 617
 618         // Run any added-on functions
 619         for ( var i = 0; i < onloadFuncts.length; i++ ) {
 620                 onloadFuncts[i]();
 621         }
 622 };
 623
 624 /**
 625  * Add an event handler to an element
 626  *
 627  * @param element Element to add handler to
 628  * @param attach String Event to attach to
 629  * @param handler callable Event handler callback
 630  */
 631 window.addHandler = function( element, attach, handler ) {
 632         if( element.addEventListener ) {
 633                 element.addEventListener( attach, handler, false );
 634         } else if( element.attachEvent ) {
 635                 element.attachEvent( 'on' + attach, handler );
 636         }
 637 };
 638
 639 window.hookEvent = function( hookName, hookFunct ) {
 640         addHandler( window, hookName, hookFunct );
 641 };
 642
 643 /**
 644  * Add a click event handler to an element
 645  *
 646  * @param element Element to add handler to
 647  * @param handler callable Event handler callback
 648  */
 649 window.addClickHandler = function( element, handler ) {
 650         addHandler( element, 'click', handler );
 651 };
 652
 653 /**
 654  * Removes an event handler from an element
 655  *
 656  * @param element Element to remove handler from
 657  * @param remove String Event to remove
 658  * @param handler callable Event handler callback to remove
 659  */
 660 window.removeHandler = function( element, remove, handler ) {
 661         if( window.removeEventListener ) {
 662                 element.removeEventListener( remove, handler, false );
 663         } else if( window.detachEvent ) {
 664                 element.detachEvent( 'on' + remove, handler );
 665         }
 666 };
 667 // note: all skins should call runOnloadHook() at the end of html output,
 668 //      so the below should be redundant. It's there just in case.
 669 hookEvent( 'load', runOnloadHook );
 670
 671 if ( ie6_bugs ) {
 672         importScriptURI( mw.config.get( 'stylepath' ) + '/common/IEFixes.js' );
 673 }
 674
 675 })();