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