skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
   5                 && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
   6 var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
   7 var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
   8 // For accesskeys
   9 var is_ff2_win = (clientPC.indexOf('firefox/2')!=-1 || clientPC.indexOf('minefield/3')!=-1) && clientPC.indexOf('windows')!=-1;
  10 var is_ff2_x11 = (clientPC.indexOf('firefox/2')!=-1 || clientPC.indexOf('minefield/3')!=-1) && clientPC.indexOf('x11')!=-1;
  11 if (clientPC.indexOf('opera') != -1) {
  12         var is_opera = true;
  13         var is_opera_preseven = (window.opera && !document.childNodes);
  14         var is_opera_seven = (window.opera && document.childNodes);
  15         var is_opera_95 = (clientPC.search(/opera\/(9.[5-9]|[1-9][0-9])/)!=-1);
  16 }
  17
  18 // Global external objects used by this script.
  19 /*extern ta, stylepath, skin */
  20
  21 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  22 var doneOnloadHook;
  23
  24 if (!window.onloadFuncts) {
  25         var onloadFuncts = [];
  26 }
  27
  28 function addOnloadHook(hookFunct) {
  29         // Allows add-on scripts to add onload functions
  30         onloadFuncts[onloadFuncts.length] = hookFunct;
  31 }
  32
  33 function hookEvent(hookName, hookFunct) {
  34         if (window.addEventListener) {
  35                 window.addEventListener(hookName, hookFunct, false);
  36         } else if (window.attachEvent) {
  37                 window.attachEvent("on" + hookName, hookFunct);
  38         }
  39 }
  40
  41 // document.write special stylesheet links
  42 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  43         if (is_opera_preseven) {
  44                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera6Fixes.css">');
  45         } else if (is_opera_seven && !is_opera_95) {
  46                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera7Fixes.css">');
  47         } else if (is_opera_95) {
  48                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera95Fixes.css">');
  49         } else if (is_khtml) {
  50                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/KHTMLFixes.css">');
  51         }
  52 }
  53
  54 if (wgBreakFrames) {
  55         // Un-trap us from framesets
  56         if (window.top != window) {
  57                 window.top.location = window.location;
  58         }
  59 }
  60
  61 // for enhanced RecentChanges
  62 function toggleVisibility(_levelId, _otherId, _linkId) {
  63         var thisLevel = document.getElementById(_levelId);
  64         var otherLevel = document.getElementById(_otherId);
  65         var linkLevel = document.getElementById(_linkId);
  66         if (thisLevel.style.display == 'none') {
  67                 thisLevel.style.display = 'block';
  68                 otherLevel.style.display = 'none';
  69                 linkLevel.style.display = 'inline';
  70         } else {
  71                 thisLevel.style.display = 'none';
  72                 otherLevel.style.display = 'inline';
  73                 linkLevel.style.display = 'none';
  74         }
  75 }
  76
  77 function historyRadios(parent) {
  78         var inputs = parent.getElementsByTagName('input');
  79         var radios = [];
  80         for (var i = 0; i < inputs.length; i++) {
  81                 if (inputs[i].name == "diff" || inputs[i].name == "oldid") {
  82                         radios[radios.length] = inputs[i];
  83                 }
  84         }
  85         return radios;
  86 }
  87
  88 // check selection and tweak visibility/class onclick
  89 function diffcheck() {
  90         var dli = false; // the li where the diff radio is checked
  91         var oli = false; // the li where the oldid radio is checked
  92         var hf = document.getElementById('pagehistory');
  93         if (!hf) {
  94                 return true;
  95         }
  96         var lis = hf.getElementsByTagName('li');
  97         for (var i=0;i<lis.length;i++) {
  98                 var inputs = historyRadios(lis[i]);
  99                 if (inputs[1] && inputs[0]) {
 100                         if (inputs[1].checked || inputs[0].checked) { // this row has a checked radio button
 101                                 if (inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value) {
 102                                         return false;
 103                                 }
 104                                 if (oli) { // it's the second checked radio
 105                                         if (inputs[1].checked) {
 106                                                 oli.className = "selected";
 107                                                 return false;
 108                                         }
 109                                 } else if (inputs[0].checked) {
 110                                         return false;
 111                                 }
 112                                 if (inputs[0].checked) {
 113                                         dli = lis[i];
 114                                 }
 115                                 if (!oli) {
 116                                         inputs[0].style.visibility = 'hidden';
 117                                 }
 118                                 if (dli) {
 119                                         inputs[1].style.visibility = 'hidden';
 120                                 }
 121                                 lis[i].className = "selected";
 122                                 oli = lis[i];
 123                         }  else { // no radio is checked in this row
 124                                 if (!oli) {
 125                                         inputs[0].style.visibility = 'hidden';
 126                                 } else {
 127                                         inputs[0].style.visibility = 'visible';
 128                                 }
 129                                 if (dli) {
 130                                         inputs[1].style.visibility = 'hidden';
 131                                 } else {
 132                                         inputs[1].style.visibility = 'visible';
 133                                 }
 134                                 lis[i].className = "";
 135                         }
 136                 }
 137         }
 138         return true;
 139 }
 140
 141 // page history stuff
 142 // attach event handlers to the input elements on history page
 143 function histrowinit() {
 144         var hf = document.getElementById('pagehistory');
 145         if (!hf) {
 146                 return;
 147         }
 148         var lis = hf.getElementsByTagName('li');
 149         for (var i = 0; i < lis.length; i++) {
 150                 var inputs = historyRadios(lis[i]);
 151                 if (inputs[0] && inputs[1]) {
 152                         inputs[0].onclick = diffcheck;
 153                         inputs[1].onclick = diffcheck;
 154                 }
 155         }
 156         diffcheck();
 157 }
 158
 159 // generate toc from prefs form, fold sections
 160 // XXX: needs testing on IE/Mac and safari
 161 // more comments to follow
 162 function tabbedprefs() {
 163         var prefform = document.getElementById('preferences');
 164         if (!prefform || !document.createElement) {
 165                 return;
 166         }
 167         if (prefform.nodeName.toLowerCase() == 'a') {
 168                 return; // Occasional IE problem
 169         }
 170         prefform.className = prefform.className + 'jsprefs';
 171         var sections = [];
 172         var children = prefform.childNodes;
 173         var seci = 0;
 174         for (var i = 0; i < children.length; i++) {
 175                 if (children[i].nodeName.toLowerCase() == 'fieldset') {
 176                         children[i].id = 'prefsection-' + seci;
 177                         children[i].className = 'prefsection';
 178                         if (is_opera || is_khtml) {
 179                                 children[i].className = 'prefsection operaprefsection';
 180                         }
 181                         var legends = children[i].getElementsByTagName('legend');
 182                         sections[seci] = {};
 183                         legends[0].className = 'mainLegend';
 184                         if (legends[0] && legends[0].firstChild.nodeValue) {
 185                                 sections[seci].text = legends[0].firstChild.nodeValue;
 186                         } else {
 187                                 sections[seci].text = '# ' + seci;
 188                         }
 189                         sections[seci].secid = children[i].id;
 190                         seci++;
 191                         if (sections.length != 1) {
 192                                 children[i].style.display = 'none';
 193                         } else {
 194                                 var selectedid = children[i].id;
 195                         }
 196                 }
 197         }
 198         var toc = document.createElement('ul');
 199         toc.id = 'preftoc';
 200         toc.selectedid = selectedid;
 201         for (i = 0; i < sections.length; i++) {
 202                 var li = document.createElement('li');
 203                 if (i === 0) {
 204                         li.className = 'selected';
 205                 }
 206                 var a = document.createElement('a');
 207                 a.href = '#' + sections[i].secid;
 208                 a.onmousedown = a.onclick = uncoversection;
 209                 a.appendChild(document.createTextNode(sections[i].text));
 210                 a.secid = sections[i].secid;
 211                 li.appendChild(a);
 212                 toc.appendChild(li);
 213         }
 214         prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]);
 215         document.getElementById('prefsubmit').id = 'prefcontrol';
 216 }
 217
 218 function uncoversection() {
 219         var oldsecid = this.parentNode.parentNode.selectedid;
 220         var newsec = document.getElementById(this.secid);
 221         if (oldsecid != this.secid) {
 222                 var ul = document.getElementById('preftoc');
 223                 document.getElementById(oldsecid).style.display = 'none';
 224                 newsec.style.display = 'block';
 225                 ul.selectedid = this.secid;
 226                 var lis = ul.getElementsByTagName('li');
 227                 for (var i = 0; i< lis.length; i++) {
 228                         lis[i].className = '';
 229                 }
 230                 this.parentNode.className = 'selected';
 231         }
 232         return false;
 233 }
 234
 235 // Timezone stuff
 236 // tz in format [+-]HHMM
 237 function checkTimezone(tz, msg) {
 238         var localclock = new Date();
 239         // returns negative offset from GMT in minutes
 240         var tzRaw = localclock.getTimezoneOffset();
 241         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
 242         var tzMin = Math.abs(tzRaw) % 60;
 243         var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
 244         if (tz != tzString) {
 245                 var junk = msg.split('$1');
 246                 document.write(junk[0] + "UTC" + tzString + junk[1]);
 247         }
 248 }
 249
 250 function unhidetzbutton() {
 251         var tzb = document.getElementById('guesstimezonebutton');
 252         if (tzb) {
 253                 tzb.style.display = 'inline';
 254         }
 255 }
 256
 257 // in [-]HH:MM format...
 258 // won't yet work with non-even tzs
 259 function fetchTimezone() {
 260         // FIXME: work around Safari bug
 261         var localclock = new Date();
 262         // returns negative offset from GMT in minutes
 263         var tzRaw = localclock.getTimezoneOffset();
 264         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
 265         var tzMin = Math.abs(tzRaw) % 60;
 266         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
 267                 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
 268         return tzString;
 269 }
 270
 271 function guessTimezone(box) {
 272         document.getElementsByName("wpHourDiff")[0].value = fetchTimezone();
 273 }
 274
 275 function showTocToggle() {
 276         if (document.createTextNode) {
 277                 // Uses DOM calls to avoid document.write + XHTML issues
 278
 279                 var linkHolder = document.getElementById('toctitle');
 280                 if (!linkHolder) {
 281                         return;
 282                 }
 283
 284                 var outerSpan = document.createElement('span');
 285                 outerSpan.className = 'toctoggle';
 286
 287                 var toggleLink = document.createElement('a');
 288                 toggleLink.id = 'togglelink';
 289                 toggleLink.className = 'internal';
 290                 toggleLink.href = 'javascript:toggleToc()';
 291                 toggleLink.appendChild(document.createTextNode(tocHideText));
 292
 293                 outerSpan.appendChild(document.createTextNode('['));
 294                 outerSpan.appendChild(toggleLink);
 295                 outerSpan.appendChild(document.createTextNode(']'));
 296
 297                 linkHolder.appendChild(document.createTextNode(' '));
 298                 linkHolder.appendChild(outerSpan);
 299
 300                 var cookiePos = document.cookie.indexOf("hidetoc=");
 301                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 302                         toggleToc();
 303                 }
 304         }
 305 }
 306
 307 function changeText(el, newText) {
 308         // Safari work around
 309         if (el.innerText) {
 310                 el.innerText = newText;
 311         } else if (el.firstChild && el.firstChild.nodeValue) {
 312                 el.firstChild.nodeValue = newText;
 313         }
 314 }
 315
 316 function toggleToc() {
 317         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 318         var toggleLink = document.getElementById('togglelink');
 319
 320         if (toc && toggleLink && toc.style.display == 'none') {
 321                 changeText(toggleLink, tocHideText);
 322                 toc.style.display = 'block';
 323                 document.cookie = "hidetoc=0";
 324         } else {
 325                 changeText(toggleLink, tocShowText);
 326                 toc.style.display = 'none';
 327                 document.cookie = "hidetoc=1";
 328         }
 329 }
 330
 331 var mwEditButtons = [];
 332 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 333
 334 // this function generates the actual toolbar buttons with localized text
 335 // we use it to avoid creating the toolbar where javascript is not enabled
 336 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText, imageId) {
 337         // Don't generate buttons for browsers which don't fully
 338         // support it.
 339         mwEditButtons[mwEditButtons.length] =
 340                 {"imageId": imageId,
 341                  "imageFile": imageFile,
 342                  "speedTip": speedTip,
 343                  "tagOpen": tagOpen,
 344                  "tagClose": tagClose,
 345                  "sampleText": sampleText};
 346 }
 347
 348 // this function generates the actual toolbar buttons with localized text
 349 // we use it to avoid creating the toolbar where javascript is not enabled
 350 function mwInsertEditButton(parent, item) {
 351         var image = document.createElement("img");
 352         image.width = 23;
 353         image.height = 22;
 354         image.className = "mw-toolbar-editbutton";
 355         if (item.imageId) image.id = item.imageId;
 356         image.src = item.imageFile;
 357         image.border = 0;
 358         image.alt = item.speedTip;
 359         image.title = item.speedTip;
 360         image.style.cursor = "pointer";
 361         image.onclick = function() {
 362                 insertTags(item.tagOpen, item.tagClose, item.sampleText);
 363                 return false;
 364         };
 365
 366         parent.appendChild(image);
 367         return true;
 368 }
 369
 370 function mwSetupToolbar() {
 371         var toolbar = document.getElementById('toolbar');
 372         if (!toolbar) { return false; }
 373
 374         var textbox = document.getElementById('wpTextbox1');
 375         if (!textbox) { return false; }
 376
 377         // Don't generate buttons for browsers which don't fully
 378         // support it.
 379         if (!(document.selection && document.selection.createRange)
 380                 && textbox.selectionStart === null) {
 381                 return false;
 382         }
 383
 384         for (var i = 0; i < mwEditButtons.length; i++) {
 385                 mwInsertEditButton(toolbar, mwEditButtons[i]);
 386         }
 387         for (var i = 0; i < mwCustomEditButtons.length; i++) {
 388                 mwInsertEditButton(toolbar, mwCustomEditButtons[i]);
 389         }
 390         return true;
 391 }
 392
 393 function escapeQuotes(text) {
 394         var re = new RegExp("'","g");
 395         text = text.replace(re,"\\'");
 396         re = new RegExp("\\n","g");
 397         text = text.replace(re,"\\n");
 398         return escapeQuotesHTML(text);
 399 }
 400
 401 function escapeQuotesHTML(text) {
 402         var re = new RegExp('&',"g");
 403         text = text.replace(re,"&amp;");
 404         re = new RegExp('"',"g");
 405         text = text.replace(re,"&quot;");
 406         re = new RegExp('<',"g");
 407         text = text.replace(re,"&lt;");
 408         re = new RegExp('>',"g");
 409         text = text.replace(re,"&gt;");
 410         return text;
 411 }
 412
 413 // apply tagOpen/tagClose to selection in textarea,
 414 // use sampleText instead of selection if there is none
 415 function insertTags(tagOpen, tagClose, sampleText) {
 416         var txtarea;
 417         if (document.editform) {
 418                 txtarea = document.editform.wpTextbox1;
 419         } else {
 420                 // some alternate form? take the first one we can find
 421                 var areas = document.getElementsByTagName('textarea');
 422                 txtarea = areas[0];
 423         }
 424         var selText, isSample = false;
 425
 426         if (document.selection  && document.selection.createRange) { // IE/Opera
 427
 428                 //save window scroll position
 429                 if (document.documentElement && document.documentElement.scrollTop)
 430                         var winScroll = document.documentElement.scrollTop
 431                 else if (document.body)
 432                         var winScroll = document.body.scrollTop;
 433                 //get current selection
 434                 txtarea.focus();
 435                 var range = document.selection.createRange();
 436                 selText = range.text;
 437                 //insert tags
 438                 checkSelectedText();
 439                 range.text = tagOpen + selText + tagClose;
 440                 //mark sample text as selected
 441                 if (isSample && range.moveStart) {
 442                         if (window.opera)
 443                                 tagClose = tagClose.replace(/\n/g,'');
 444                         range.moveStart('character', - tagClose.length - selText.length);
 445                         range.moveEnd('character', - tagClose.length);
 446                 }
 447                 range.select();
 448                 //restore window scroll position
 449                 if (document.documentElement && document.documentElement.scrollTop)
 450                         document.documentElement.scrollTop = winScroll
 451                 else if (document.body)
 452                         document.body.scrollTop = winScroll;
 453
 454         } else if (txtarea.selectionStart || txtarea.selectionStart == '0') { // Mozilla
 455
 456                 //save textarea scroll position
 457                 var textScroll = txtarea.scrollTop;
 458                 //get current selection
 459                 txtarea.focus();
 460                 var startPos = txtarea.selectionStart;
 461                 var endPos = txtarea.selectionEnd;
 462                 selText = txtarea.value.substring(startPos, endPos);
 463                 //insert tags
 464                 checkSelectedText();
 465                 txtarea.value = txtarea.value.substring(0, startPos)
 466                         + tagOpen + selText + tagClose
 467                         + txtarea.value.substring(endPos, txtarea.value.length);
 468                 //set new selection
 469                 if (isSample) {
 470                         txtarea.selectionStart = startPos + tagOpen.length;
 471                         txtarea.selectionEnd = startPos + tagOpen.length + selText.length;
 472                 } else {
 473                         txtarea.selectionStart = startPos + tagOpen.length + selText.length + tagClose.length;
 474                         txtarea.selectionEnd = txtarea.selectionStart;
 475                 }
 476                 //restore textarea scroll position
 477                 txtarea.scrollTop = textScroll;
 478         }
 479
 480         function checkSelectedText(){
 481                 if (!selText) {
 482                         selText = sampleText;
 483                         isSample = true;
 484                 } else if (selText.charAt(selText.length - 1) == ' ') { //exclude ending space char
 485                         selText = selText.substring(0, selText.length - 1);
 486                         tagClose += ' '
 487                 }
 488         }
 489
 490 }
 491
 492
 493 /**
 494  * Set the accesskey prefix based on browser detection.
 495  */
 496 var tooltipAccessKeyPrefix = 'alt-';
 497 if (is_opera) {
 498         tooltipAccessKeyPrefix = 'shift-esc-';
 499 } else if (is_safari
 500            || navigator.userAgent.toLowerCase().indexOf('mac') != -1
 501            || navigator.userAgent.toLowerCase().indexOf('konqueror') != -1 ) {
 502         tooltipAccessKeyPrefix = 'ctrl-';
 503 } else if (is_ff2_x11 || is_ff2_win) {
 504         tooltipAccessKeyPrefix = 'alt-shift-';
 505 }
 506 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?.\]$/;
 507
 508 /**
 509  * Add the appropriate prefix to the accesskey shown in the tooltip.
 510  * If the nodeList parameter is given, only those nodes are updated;
 511  * otherwise, all the nodes that will probably have accesskeys by
 512  * default are updated.
 513  *
 514  * @param Array nodeList -- list of elements to update
 515  */
 516 function updateTooltipAccessKeys( nodeList ) {
 517         if ( !nodeList ) {
 518                 // skins without a "column-one" element don't seem to have links with accesskeys either
 519                 var columnOne = document.getElementById("column-one");
 520                 if ( columnOne )
 521                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 522                 // these are rare enough that no such optimization is needed
 523                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 524                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 525                 return;
 526         }
 527
 528         for ( var i = 0; i < nodeList.length; i++ ) {
 529                 var element = nodeList[i];
 530                 var tip = element.getAttribute("title");
 531                 var key = element.getAttribute("accesskey");
 532                 if ( key && tooltipAccessKeyRegexp.exec(tip) ) {
 533                         tip = tip.replace(tooltipAccessKeyRegexp,
 534                                           "["+tooltipAccessKeyPrefix+key+"]");
 535                         element.setAttribute("title", tip );
 536                 }
 537         }
 538 }
 539
 540 /**
 541  * Add a link to one of the portlet menus on the page, including:
 542  *
 543  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 544  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 545  * p-navigation: Navigation
 546  * p-tb: Toolbox
 547  *
 548  * This function exists for the convenience of custom JS authors.  All
 549  * but the first three parameters are optional, though providing at
 550  * least an id and a tooltip is recommended.
 551  *
 552  * By default the new link will be added to the end of the list.  To
 553  * add the link before a given existing item, pass the DOM node of
 554  * that item (easily obtained with document.getElementById()) as the
 555  * nextnode parameter; to add the link _after_ an existing item, pass
 556  * the node's nextSibling instead.
 557  *
 558  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 559  * @param String href -- link URL
 560  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 561  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 562  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 563  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 564  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 565  *
 566  * @return Node -- the DOM node of the new item (an LI element) or null
 567  */
 568 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 569         var node = document.getElementById(portlet);
 570         if ( !node ) return null;
 571         node = node.getElementsByTagName( "ul" )[0];
 572         if ( !node ) return null;
 573
 574         var link = document.createElement( "a" );
 575         link.appendChild( document.createTextNode( text ) );
 576         link.href = href;
 577
 578         var item = document.createElement( "li" );
 579         item.appendChild( link );
 580         if ( id ) item.id = id;
 581
 582         if ( accesskey ) {
 583                 link.setAttribute( "accesskey", accesskey );
 584                 tooltip += " ["+accesskey+"]";
 585         }
 586         if ( tooltip ) {
 587                 link.setAttribute( "title", tooltip );
 588         }
 589         if ( accesskey && tooltip ) {
 590                 updateTooltipAccessKeys( new Array( link ) );
 591         }
 592
 593         if ( nextnode && nextnode.parentNode == node )
 594                 node.insertBefore( item, nextnode );
 595         else
 596                 node.appendChild( item );  // IE compatibility (?)
 597
 598         return item;
 599 }
 600
 601
 602 /**
 603  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 604  * is specified, only set up for that id.  Note that this function is
 605  * deprecated and will not be supported indefinitely -- use
 606  * updateTooltipAccessKey() instead.
 607  *
 608  * @param mixed doId string or null
 609  */
 610 function akeytt( doId ) {
 611         // A lot of user scripts (and some of the code below) break if
 612         // ta isn't defined, so we make sure it is.  Explictly using
 613         // window.ta avoids a "ta is not defined" error.
 614         if (!window.ta) window.ta = new Array;
 615
 616         // Make a local, possibly restricted, copy to avoid clobbering
 617         // the original.
 618         var ta;
 619         if ( doId ) {
 620                 ta = [doId];
 621         } else {
 622                 ta = window.ta;
 623         }
 624
 625         // Now deal with evil deprecated ta
 626         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 627         for (var id in ta) {
 628                 var n = document.getElementById(id);
 629                 if (n) {
 630                         var a = null;
 631                         var ak = '';
 632                         // Are we putting accesskey in it
 633                         if (ta[id][0].length > 0) {
 634                                 // Is this object a object? If not assume it's the next child.
 635
 636                                 if (n.nodeName.toLowerCase() == "a") {
 637                                         a = n;
 638                                 } else {
 639                                         a = n.childNodes[0];
 640                                 }
 641                                 // Don't add an accesskey for the watch tab if the watch
 642                                 // checkbox is also available.
 643                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 644                                         a.accessKey = ta[id][0];
 645                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 646                                 }
 647                         } else {
 648                                 // We don't care what type the object is when assigning tooltip
 649                                 a = n;
 650                                 ak = '';
 651                         }
 652
 653                         if (a) {
 654                                 a.title = ta[id][1]+ak;
 655                         }
 656                 }
 657         }
 658 }
 659
 660 function setupRightClickEdit() {
 661         if (document.getElementsByTagName) {
 662                 var spans = document.getElementsByTagName('span');
 663                 for (var i = 0; i < spans.length; i++) {
 664                         var el = spans[i];
 665                         if(el.className == 'editsection') {
 666                                 addRightClickEditHandler(el);
 667                         }
 668                 }
 669         }
 670 }
 671
 672 function addRightClickEditHandler(el) {
 673         for (var i = 0; i < el.childNodes.length; i++) {
 674                 var link = el.childNodes[i];
 675                 if (link.nodeType == 1 && link.nodeName.toLowerCase() == 'a') {
 676                         var editHref = link.getAttribute('href');
 677                         // find the enclosing (parent) header
 678                         var prev = el.parentNode;
 679                         if (prev && prev.nodeType == 1 &&
 680                         prev.nodeName.match(/^[Hh][1-6]$/)) {
 681                                 prev.oncontextmenu = function(e) {
 682                                         if (!e) { e = window.event; }
 683                                         // e is now the event in all browsers
 684                                         var targ;
 685                                         if (e.target) { targ = e.target; }
 686                                         else if (e.srcElement) { targ = e.srcElement; }
 687                                         if (targ.nodeType == 3) { // defeat Safari bug
 688                                                 targ = targ.parentNode;
 689                                         }
 690                                         // targ is now the target element
 691
 692                                         // We don't want to deprive the noble reader of a context menu
 693                                         // for the section edit link, do we?  (Might want to extend this
 694                                         // to all <a>'s?)
 695                                         if (targ.nodeName.toLowerCase() != 'a'
 696                                         || targ.parentNode.className != 'editsection') {
 697                                                 document.location = editHref;
 698                                                 return false;
 699                                         }
 700                                         return true;
 701                                 };
 702                         }
 703                 }
 704         }
 705 }
 706
 707 var checkboxes;
 708 var lastCheckbox;
 709
 710 function setupCheckboxShiftClick() {
 711         checkboxes = [];
 712         lastCheckbox = null;
 713         var inputs = document.getElementsByTagName('input');
 714         addCheckboxClickHandlers(inputs);
 715 }
 716
 717 function addCheckboxClickHandlers(inputs, start) {
 718         if ( !start) start = 0;
 719
 720         var finish = start + 250;
 721         if ( finish > inputs.length )
 722                 finish = inputs.length;
 723
 724         for ( var i = start; i < finish; i++ ) {
 725                 var cb = inputs[i];
 726                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 727                         continue;
 728                 var end = checkboxes.length;
 729                 checkboxes[end] = cb;
 730                 cb.index = end;
 731                 cb.onclick = checkboxClickHandler;
 732         }
 733
 734         if ( finish < inputs.length ) {
 735                 setTimeout( function () {
 736                         addCheckboxClickHandlers(inputs, finish);
 737                 }, 200 );
 738         }
 739 }
 740
 741 function checkboxClickHandler(e) {
 742         if (typeof e == 'undefined') {
 743                 e = window.event;
 744         }
 745         if ( !e.shiftKey || lastCheckbox === null ) {
 746                 lastCheckbox = this.index;
 747                 return true;
 748         }
 749         var endState = this.checked;
 750         var start, finish;
 751         if ( this.index < lastCheckbox ) {
 752                 start = this.index + 1;
 753                 finish = lastCheckbox;
 754         } else {
 755                 start = lastCheckbox;
 756                 finish = this.index - 1;
 757         }
 758         for (var i = start; i <= finish; ++i ) {
 759                 checkboxes[i].checked = endState;
 760         }
 761         lastCheckbox = this.index;
 762         return true;
 763 }
 764
 765 function toggle_element_activation(ida,idb) {
 766         if (!document.getElementById) {
 767                 return;
 768         }
 769         document.getElementById(ida).disabled=true;
 770         document.getElementById(idb).disabled=false;
 771 }
 772
 773 function toggle_element_check(ida,idb) {
 774         if (!document.getElementById) {
 775                 return;
 776         }
 777         document.getElementById(ida).checked=true;
 778         document.getElementById(idb).checked=false;
 779 }
 780
 781 /**
 782  * Restore the edit box scroll state following a preview operation,
 783  * and set up a form submission handler to remember this state
 784  */
 785 function scrollEditBox() {
 786         var editBox = document.getElementById( 'wpTextbox1' );
 787         var scrollTop = document.getElementById( 'wpScrolltop' );
 788         var editForm = document.getElementById( 'editform' );
 789         if( editBox && scrollTop ) {
 790                 if( scrollTop.value )
 791                         editBox.scrollTop = scrollTop.value;
 792                 addHandler( editForm, 'submit', function() {
 793                         document.getElementById( 'wpScrolltop' ).value = document.getElementById( 'wpTextbox1' ).scrollTop;
 794                 } );
 795         }
 796 }
 797 hookEvent( 'load', scrollEditBox );
 798
 799 var allmessages_nodelist = false;
 800 var allmessages_modified = false;
 801 var allmessages_timeout = false;
 802 var allmessages_running = false;
 803
 804 function allmessagesmodified() {
 805         allmessages_modified = !allmessages_modified;
 806         allmessagesfilter();
 807 }
 808
 809 function allmessagesfilter() {
 810         if ( allmessages_timeout )
 811                 window.clearTimeout( allmessages_timeout );
 812
 813         if ( !allmessages_running )
 814                 allmessages_timeout = window.setTimeout( 'allmessagesfilter_do();', 500 );
 815 }
 816
 817 function allmessagesfilter_do() {
 818         if ( !allmessages_nodelist )
 819                 return;
 820
 821         var text = document.getElementById('allmessagesinput').value;
 822         var nodef = allmessages_modified;
 823
 824         allmessages_running = true;
 825
 826         for ( var name in allmessages_nodelist ) {
 827                 var nodes = allmessages_nodelist[name];
 828                 var display = ( name.indexOf( text ) == -1 ? 'none' : '' );
 829
 830                 for ( var i = 0; i < nodes.length; i++)
 831                         nodes[i].style.display =
 832                                 ( nodes[i].className == "def" && nodef
 833                                   ? 'none' : display );
 834         }
 835
 836         if ( text != document.getElementById('allmessagesinput').value ||
 837              nodef != allmessages_modified )
 838                 allmessagesfilter_do();  // repeat
 839
 840         allmessages_running = false;
 841 }
 842
 843 function allmessagesfilter_init() {
 844         if ( allmessages_nodelist )
 845                 return;
 846
 847         var nodelist = new Array();
 848         var templist = new Array();
 849
 850         var table = document.getElementById('allmessagestable');
 851         if ( !table ) return;
 852
 853         var rows = document.getElementsByTagName('tr');
 854         for ( var i = 0; i < rows.length; i++ ) {
 855                 var id = rows[i].getAttribute('id')
 856                 if ( id && id.substring(0,16) != 'sp-allmessages-r' ) continue;
 857                 templist[ id ] = rows[i];
 858         }
 859
 860         var spans = table.getElementsByTagName('span');
 861         for ( var i = 0; i < spans.length; i++ ) {
 862                 var id = spans[i].getAttribute('id')
 863                 if ( id && id.substring(0,17) != 'sp-allmessages-i-' ) continue;
 864                 if ( !spans[i].firstChild || spans[i].firstChild.nodeType != 3 ) continue;
 865
 866                 var nodes = new Array();
 867                 var row1 = templist[ id.replace('i', 'r1') ];
 868                 var row2 = templist[ id.replace('i', 'r2') ];
 869
 870                 if ( row1 ) nodes[nodes.length] = row1;
 871                 if ( row2 ) nodes[nodes.length] = row2;
 872                 nodelist[ spans[i].firstChild.nodeValue ] = nodes;
 873         }
 874
 875         var k = document.getElementById('allmessagesfilter');
 876         if (k) { k.style.display = ''; }
 877
 878         allmessages_nodelist = nodelist;
 879 }
 880
 881 hookEvent( "load", allmessagesfilter_init );
 882
 883 /*
 884         Written by Jonathan Snook, http://www.snook.ca/jonathan
 885         Add-ons by Robert Nyman, http://www.robertnyman.com
 886         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 887         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 888 */
 889 function getElementsByClassName(oElm, strTagName, oClassNames){
 890         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 891         var arrReturnElements = new Array();
 892         var arrRegExpClassNames = new Array();
 893         if(typeof oClassNames == "object"){
 894                 for(var i=0; i<oClassNames.length; i++){
 895                         arrRegExpClassNames[arrRegExpClassNames.length] =
 896                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 897                 }
 898         }
 899         else{
 900                 arrRegExpClassNames[arrRegExpClassNames.length] =
 901                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 902         }
 903         var oElement;
 904         var bMatchesAll;
 905         for(var j=0; j<arrElements.length; j++){
 906                 oElement = arrElements[j];
 907                 bMatchesAll = true;
 908                 for(var k=0; k<arrRegExpClassNames.length; k++){
 909                         if(!arrRegExpClassNames[k].test(oElement.className)){
 910                                 bMatchesAll = false;
 911                                 break;
 912                         }
 913                 }
 914                 if(bMatchesAll){
 915                         arrReturnElements[arrReturnElements.length] = oElement;
 916                 }
 917         }
 918         return (arrReturnElements)
 919 }
 920
 921 function redirectToFragment(fragment) {
 922         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 923         if (match) {
 924                 var webKitVersion = parseInt(match[1]);
 925                 if (webKitVersion < 420) {
 926                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 927                         // Nightlies of 420+ are ok
 928                         return;
 929                 }
 930         }
 931         if (is_gecko) {
 932                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 933                 addOnloadHook(function () {
 934                         if (window.location.hash == "")
 935                                 window.location.hash = fragment;
 936                 });
 937         } else {
 938                 if (window.location.hash == "")
 939                         window.location.hash = fragment;
 940         }
 941 }
 942
 943 /*
 944  * Table sorting script  by Joost de Valk, check it out at http://www.joostdevalk.nl/code/sortable-table/.
 945  * Based on a script from http://www.kryogenix.org/code/browser/sorttable/.
 946  * Distributed under the MIT license: http://www.kryogenix.org/code/browser/licence.html .
 947  *
 948  * Copyright (c) 1997-2006 Stuart Langridge, Joost de Valk.
 949  *
 950  * @todo don't break on colspans/rowspans (bug 8028)
 951  * @todo language-specific digit grouping/decimals (bug 8063)
 952  * @todo support all accepted date formats (bug 8226)
 953  */
 954
 955 var ts_image_path = stylepath+"/common/images/";
 956 var ts_image_up = "sort_up.gif";
 957 var ts_image_down = "sort_down.gif";
 958 var ts_image_none = "sort_none.gif";
 959 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 960 var ts_alternate_row_colors = true;
 961 var SORT_COLUMN_INDEX;
 962
 963 function sortables_init() {
 964         var idnum = 0;
 965         // Find all tables with class sortable and make them sortable
 966         var tables = getElementsByClassName(document, "table", "sortable");
 967         for (var ti = 0; ti < tables.length ; ti++) {
 968                 if (!tables[ti].id) {
 969                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 970                         ++idnum;
 971                 }
 972                 ts_makeSortable(tables[ti]);
 973         }
 974 }
 975
 976 function ts_makeSortable(table) {
 977         var firstRow;
 978         if (table.rows && table.rows.length > 0) {
 979                 if (table.tHead && table.tHead.rows.length > 0) {
 980                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 981                 } else {
 982                         firstRow = table.rows[0];
 983                 }
 984         }
 985         if (!firstRow) return;
 986
 987         // We have a first row: assume it's the header, and make its contents clickable links
 988         for (var i = 0; i < firstRow.cells.length; i++) {
 989                 var cell = firstRow.cells[i];
 990                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 991                         cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow"><img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/></span></a>';
 992                 }
 993         }
 994         if (ts_alternate_row_colors) {
 995                 ts_alternate(table);
 996         }
 997 }
 998
 999 function ts_getInnerText(el) {
1000         if (typeof el == "string") return el;
1001         if (typeof el == "undefined") { return el };
1002         if (el.textContent) return el.textContent; // not needed but it is faster
1003         if (el.innerText) return el.innerText;     // IE doesn't have textContent
1004         var str = "";
1005
1006         var cs = el.childNodes;
1007         var l = cs.length;
1008         for (var i = 0; i < l; i++) {
1009                 switch (cs[i].nodeType) {
1010                         case 1: //ELEMENT_NODE
1011                                 str += ts_getInnerText(cs[i]);
1012                                 break;
1013                         case 3: //TEXT_NODE
1014                                 str += cs[i].nodeValue;
1015                                 break;
1016                 }
1017         }
1018         return str;
1019 }
1020
1021 function ts_resortTable(lnk) {
1022         // get the span
1023         var span = lnk.getElementsByTagName('span')[0];
1024
1025         var td = lnk.parentNode;
1026         var tr = td.parentNode;
1027         var column = td.cellIndex;
1028
1029         var table = tr.parentNode;
1030         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
1031                 table = table.parentNode;
1032         if (!table) return;
1033
1034         // Work out a type for the column
1035         if (table.rows.length <= 1) return;
1036
1037         // Skip the first row if that's where the headings are
1038         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
1039
1040         var itm = "";
1041         for (var i = rowStart; i < table.rows.length; i++) {
1042                 if (table.rows[i].cells.length > column) {
1043                         itm = ts_getInnerText(table.rows[i].cells[column]);
1044                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
1045                         if (itm != "") break;
1046                 }
1047         }
1048
1049         sortfn = ts_sort_caseinsensitive;
1050         if (itm.match(/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/))
1051                 sortfn = ts_sort_date;
1052         if (itm.match(/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/))
1053                 sortfn = ts_sort_date;
1054         if (itm.match(/^\d\d[\/.-]\d\d[\/.-]\d\d$/))
1055                 sortfn = ts_sort_date;
1056         if (itm.match(/^[\u00a3$\u20ac]/)) // pound dollar euro
1057                 sortfn = ts_sort_currency;
1058         if (itm.match(/^[\d.,]+\%?$/))
1059                 sortfn = ts_sort_numeric;
1060
1061         var reverse = (span.getAttribute("sortdir") == 'down');
1062
1063         var newRows = new Array();
1064         for (var j = rowStart; j < table.rows.length; j++) {
1065                 var row = table.rows[j];
1066                 var keyText = ts_getInnerText(row.cells[column]);
1067                 var oldIndex = (reverse ? -j : j);
1068
1069                 newRows[newRows.length] = new Array(row, keyText, oldIndex);
1070         }
1071
1072         newRows.sort(sortfn);
1073
1074         var arrowHTML;
1075         if (reverse) {
1076                         arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
1077                         newRows.reverse();
1078                         span.setAttribute('sortdir','up');
1079         } else {
1080                         arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
1081                         span.setAttribute('sortdir','down');
1082         }
1083
1084         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
1085         // don't do sortbottom rows
1086         for (var i = 0; i < newRows.length; i++) {
1087                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
1088                         table.tBodies[0].appendChild(newRows[i][0]);
1089         }
1090         // do sortbottom rows only
1091         for (var i = 0; i < newRows.length; i++) {
1092                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
1093                         table.tBodies[0].appendChild(newRows[i][0]);
1094         }
1095
1096         // Delete any other arrows there may be showing
1097         var spans = getElementsByClassName(tr, "span", "sortarrow");
1098         for (var i = 0; i < spans.length; i++) {
1099                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
1100         }
1101         span.innerHTML = arrowHTML;
1102
1103         ts_alternate(table);
1104 }
1105
1106 function ts_dateToSortKey(date) {
1107         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
1108         if (date.length == 11) {
1109                 switch (date.substr(3,3).toLowerCase()) {
1110                         case "jan": var month = "01"; break;
1111                         case "feb": var month = "02"; break;
1112                         case "mar": var month = "03"; break;
1113                         case "apr": var month = "04"; break;
1114                         case "may": var month = "05"; break;
1115                         case "jun": var month = "06"; break;
1116                         case "jul": var month = "07"; break;
1117                         case "aug": var month = "08"; break;
1118                         case "sep": var month = "09"; break;
1119                         case "oct": var month = "10"; break;
1120                         case "nov": var month = "11"; break;
1121                         case "dec": var month = "12"; break;
1122                         // default: var month = "00";
1123                 }
1124                 return date.substr(7,4)+month+date.substr(0,2);
1125         } else if (date.length == 10) {
1126                 if (ts_europeandate == false) {
1127                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
1128                 } else {
1129                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
1130                 }
1131         } else if (date.length == 8) {
1132                 yr = date.substr(6,2);
1133                 if (parseInt(yr) < 50) {
1134                         yr = '20'+yr;
1135                 } else {
1136                         yr = '19'+yr;
1137                 }
1138                 if (ts_europeandate == true) {
1139                         return yr+date.substr(3,2)+date.substr(0,2);
1140                 } else {
1141                         return yr+date.substr(0,2)+date.substr(3,2);
1142                 }
1143         }
1144         return "00000000";
1145 }
1146
1147 function ts_parseFloat(num) {
1148         if (!num) return 0;
1149         num = parseFloat(num.replace(/,/, ""));
1150         return (isNaN(num) ? 0 : num);
1151 }
1152
1153 function ts_sort_date(a,b) {
1154         var aa = ts_dateToSortKey(a[1]);
1155         var bb = ts_dateToSortKey(b[1]);
1156         return (aa < bb ? -1 : aa > bb ? 1 : a[2] - b[2]);
1157 }
1158
1159 function ts_sort_currency(a,b) {
1160         var aa = ts_parseFloat(a[1].replace(/[^0-9.]/g,''));
1161         var bb = ts_parseFloat(b[1].replace(/[^0-9.]/g,''));
1162         return (aa != bb ? aa - bb : a[2] - b[2]);
1163 }
1164
1165 function ts_sort_numeric(a,b) {
1166         var aa = ts_parseFloat(a[1]);
1167         var bb = ts_parseFloat(b[1]);
1168         return (aa != bb ? aa - bb : a[2] - b[2]);
1169 }
1170
1171 function ts_sort_caseinsensitive(a,b) {
1172         var aa = a[1].toLowerCase();
1173         var bb = b[1].toLowerCase();
1174         return (aa < bb ? -1 : aa > bb ? 1 : a[2] - b[2]);
1175 }
1176
1177 function ts_sort_default(a,b) {
1178         return (a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2]);
1179 }
1180
1181 function ts_alternate(table) {
1182         // Take object table and get all it's tbodies.
1183         var tableBodies = table.getElementsByTagName("tbody");
1184         // Loop through these tbodies
1185         for (var i = 0; i < tableBodies.length; i++) {
1186                 // Take the tbody, and get all it's rows
1187                 var tableRows = tableBodies[i].getElementsByTagName("tr");
1188                 // Loop through these rows
1189                 // Start at 1 because we want to leave the heading row untouched
1190                 for (var j = 0; j < tableRows.length; j++) {
1191                         // Check if j is even, and apply classes for both possible results
1192                         var oldClasses = tableRows[j].className.split(" ");
1193                         var newClassName = "";
1194                         for (var k = 0; k < oldClasses.length; k++) {
1195                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
1196                                         newClassName += oldClasses[k] + " ";
1197                         }
1198                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
1199                 }
1200         }
1201 }
1202
1203 /*
1204  * End of table sorting code
1205  */
1206
1207
1208 /**
1209  * Add a cute little box at the top of the screen to inform the user of
1210  * something, replacing any preexisting message.
1211  *
1212  * @param String message HTML to be put inside the right div
1213  * @param String className   Used in adding a class; should be different for each
1214  *   call to allow CSS/JS to hide different boxes.  null = no class used.
1215  * @return Boolean       True on success, false on failure
1216  */
1217 function jsMsg( message, className ) {
1218         if ( !document.getElementById ) {
1219                 return false;
1220         }
1221         // We special-case skin structures provided by the software.  Skins that
1222         // choose to abandon or significantly modify our formatting can just define
1223         // an mw-js-message div to start with.
1224         var messageDiv = document.getElementById( 'mw-js-message' );
1225         if ( !messageDiv ) {
1226                 messageDiv = document.createElement( 'div' );
1227                 if ( document.getElementById( 'column-content' )
1228                 && document.getElementById( 'content' ) ) {
1229                         // MonoBook, presumably
1230                         document.getElementById( 'content' ).insertBefore(
1231                                 messageDiv,
1232                                 document.getElementById( 'content' ).firstChild
1233                         );
1234                 } else if ( document.getElementById('content')
1235                 && document.getElementById( 'article' ) ) {
1236                         // Non-Monobook but still recognizable (old-style)
1237                         document.getElementById( 'article').insertBefore(
1238                                 messageDiv,
1239                                 document.getElementById( 'article' ).firstChild
1240                         );
1241                 } else {
1242                         return false;
1243                 }
1244         }
1245
1246         messageDiv.setAttribute( 'id', 'mw-js-message' );
1247         if( className ) {
1248                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
1249         }
1250         messageDiv.innerHTML = message;
1251         return true;
1252 }
1253
1254 /**
1255  * Inject a cute little progress spinner after the specified element
1256  *
1257  * @param element Element to inject after
1258  * @param id Identifier string (for use with removeSpinner(), below)
1259  */
1260 function injectSpinner( element, id ) {
1261         var spinner = document.createElement( "img" );
1262         spinner.id = "mw-spinner-" + id;
1263         spinner.src = stylepath + "/common/images/spinner.gif";
1264         spinner.alt = spinner.title = "...";
1265         if( element.nextSibling ) {
1266                 element.parentNode.insertBefore( spinner, element.nextSibling );
1267         } else {
1268                 element.parentNode.appendChild( spinner );
1269         }
1270 }
1271
1272 /**
1273  * Remove a progress spinner added with injectSpinner()
1274  *
1275  * @param id Identifier string
1276  */
1277 function removeSpinner( id ) {
1278         var spinner = document.getElementById( "mw-spinner-" + id );
1279         if( spinner ) {
1280                 spinner.parentNode.removeChild( spinner );
1281         }
1282 }
1283
1284 function runOnloadHook() {
1285         // don't run anything below this for non-dom browsers
1286         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
1287                 return;
1288         }
1289
1290         // set this before running any hooks, since any errors below
1291         // might cause the function to terminate prematurely
1292         doneOnloadHook = true;
1293
1294         histrowinit();
1295         unhidetzbutton();
1296         tabbedprefs();
1297         updateTooltipAccessKeys( null );
1298         akeytt( null );
1299         scrollEditBox();
1300         setupCheckboxShiftClick();
1301         sortables_init();
1302
1303         // Run any added-on functions
1304         for (var i = 0; i < onloadFuncts.length; i++) {
1305                 onloadFuncts[i]();
1306         }
1307 }
1308
1309 /**
1310  * Add an event handler to an element
1311  *
1312  * @param Element element Element to add handler to
1313  * @param String attach Event to attach to
1314  * @param callable handler Event handler callback
1315  */
1316 function addHandler( element, attach, handler ) {
1317         if( window.addEventListener ) {
1318                 element.addEventListener( attach, handler, false );
1319         } else if( window.attachEvent ) {
1320                 element.attachEvent( 'on' + attach, handler );
1321         }
1322 }
1323
1324 /**
1325  * Add a click event handler to an element
1326  *
1327  * @param Element element Element to add handler to
1328  * @param callable handler Event handler callback
1329  */
1330 function addClickHandler( element, handler ) {
1331         addHandler( element, 'click', handler );
1332 }
1333 //note: all skins should call runOnloadHook() at the end of html output,
1334 //      so the below should be redundant. It's there just in case.
1335 hookEvent("load", runOnloadHook);
1336 hookEvent("load", mwSetupToolbar);