MediaWiki:Common.js : Différence entre versions

De EncyclopAtys

m
m
Ligne 10 : Ligne 10 :
  
  
/**  
+
/** Collapsible tables *********************************************************
* Boîtes déroulantes
 
 
  *
 
  *
  * Pour [[Modèle:Méta palette de navigation]]
+
  * Description: Allows tables to be collapsed, showing only the header. See
 +
*              http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 +
*  Maintainers: [[**MAINTAINERS**]]
 
  */
 
  */
 
var autoCollapse = 2;
 
var autoCollapse = 2;
var collapseCaption = '[Enrouler]';
+
var collapseCaption = 'Enrouler';
var expandCaption = '[Dérouler]';
+
var expandCaption = 'Derouler';
 
   
 
   
 
function collapseTable( tableIndex ) {
 
function collapseTable( tableIndex ) {
  var Button = document.getElementById( "collapseButton" + tableIndex );
+
var Button = document.getElementById( 'collapseButton' + tableIndex );
  var Table = document.getElementById( "collapsibleTable" + tableIndex );
+
var Table = document.getElementById( 'collapsibleTable' + tableIndex );
  if ( !Table || !Button ) return false;
 
 
   
 
   
  var Rows = Table.getElementsByTagName( "tr" );  
+
if ( !Table || !Button ) {
 +
return false;
 +
}
 
   
 
   
  if ( Button.firstChild.data == collapseCaption ) {
+
var Rows = Table.rows;
    for ( var i = 1; i < Rows.length; i++ ) {
+
      Rows[i].style.display = "none";
+
if ( Button.firstChild.data == collapseCaption ) {
    }
+
for ( var i = 1; i < Rows.length; i++ ) {
    Button.firstChild.data = expandCaption;
+
Rows[i].style.display = 'none';
  } else {
+
}
    for ( var i = 1; i < Rows.length; i++ ) {
+
Button.firstChild.data = expandCaption;
      Rows[i].style.display = Rows[0].style.display;
+
} else {
    }
+
for ( var i = 1; i < Rows.length; i++ ) {
    Button.firstChild.data = collapseCaption;
+
Rows[i].style.display = Rows[0].style.display;
  }
+
}
 +
Button.firstChild.data = collapseCaption;
 +
}
 
}
 
}
 
   
 
   
 
function createCollapseButtons() {
 
function createCollapseButtons() {
  var tableIndex = 0;
+
var tableIndex = 0;
  var NavigationBoxes = new Object();
+
var NavigationBoxes = new Object();
  var Tables = document.getElementsByTagName( "table" );
+
var Tables = document.getElementsByTagName( 'table' );
 
   
 
   
  for ( var i = 0; i < Tables.length; i++ ) {
+
for ( var i = 0; i < Tables.length; i++ ) {
    if ( hasClass( Tables[i], "collapsible" ) ) {
+
if ( hasClass( Tables[i], 'collapsible' ) ) {
      NavigationBoxes[ tableIndex ] = Tables[i];
+
/* only add button and increment count if there is a header row to work with */
      Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex );
+
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
 +
if( !HeaderRow ) continue;
 +
var Header = HeaderRow.getElementsByTagName( 'th' )[0];
 +
if( !Header ) continue;
 
   
 
   
      var Button    = document.createElement( "span" );
+
NavigationBoxes[tableIndex] = Tables[i];
      var ButtonLink = document.createElement( "a" );
+
Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
      var ButtonText = document.createTextNode( collapseCaption );
 
 
   
 
   
      Button.style.styleFloat = "right";
+
var Button2    = document.createElement( 'span' );
      Button.style.cssFloat = "right";
+
var Button     = document.createElement( 'span' );
      Button.style.fontWeight = "normal";
+
var ButtonLink = document.createElement( 'a' );
      Button.style.textAlign = "right";
+
var ButtonText = document.createTextNode( collapseCaption );
      Button.style.width = "6em";
 
 
   
 
   
      ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
+
Button2.className = 'collapseButton_outer';
      ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ");" );
+
Button.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css
      ButtonLink.appendChild( ButtonText );
+
                        if(hasClass( Tables[i], 'dark' )) {
 +
                          Button.className = Button.className+'_dark';
 +
                        }
 +
 
 +
ButtonLink.style.color = Header.style.color;
 +
ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
 +
ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
 +
ButtonLink.appendChild( ButtonText );
 
   
 
   
      Button.appendChild( ButtonLink );
+
Button.appendChild( document.createTextNode( '[' ) );
 +
Button.appendChild( ButtonLink );
 +
Button.appendChild( document.createTextNode( ']' ) );
 +
Button2.appendChild( Button );
 +
Header.insertBefore( Button2, Header.childNodes[0] );
 +
tableIndex++;
 +
}
 +
}
 
   
 
   
      var Header = Tables[i].getElementsByTagName( "tr" )[0].getElementsByTagName( "th" )[0];
+
for ( var i = 0;  i < tableIndex; i++ ) {
      /* only add button and increment count if there is a header row to work with */
+
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
      if (Header) {
+
collapseTable( i );
        Header.insertBefore( Button, Header.childNodes[0] );
+
}
        tableIndex++;
+
}
      }
+
}
    }
 
  }
 
 
   
 
   
  for (var i = 0; i < tableIndex; i++) {
+
addOnloadHook( createCollapseButtons );
    if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) collapseTable( i );
 
  }
 
}
 
addOnloadHook(createCollapseButtons);
 
 
   
 
   
/**
+
/** Test if an element has a certain class **************************************
  * Pour [[Modèle:Boîte déroulante]]  
+
*
 +
  * Description: Uses regular expressions and caching for better performance.
 +
* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 
  */
 
  */
var NavigationBarShowDefault = 0;
 
 
   
 
   
function toggleNavigationBar(indexNavigationBar) {
+
var hasClass = (function() {
  var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
+
var reCache = {};
  var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
+
return function( element, className ) {
+
return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
  if (!NavFrame || !NavToggle) return;
+
};
+
})();
  // surcharge des libellés dérouler/enrouler grâce a l'attribut title
 
  // exemple : title="[déroulade]/[enroulade]"
 
  var caption = [expandCaption, collapseCaption];
 
  if (NavFrame.title && NavFrame.title.length > 0) {
 
    caption = NavFrame.title.split("/");
 
    if (caption.length < 2) caption.push(collapseCaption);
 
  }
 
 
  // if shown now
 
  if (NavToggle.firstChild.data == caption[1]) {
 
    for ( var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
 
      if (hasClass(NavChild, 'NavPic')) NavChild.style.display = 'none';
 
      if (hasClass(NavChild, 'NavContent')) NavChild.style.display = 'none';
 
      if (hasClass(NavChild, 'NavToggle')) NavChild.firstChild.data = caption[0];
 
    }
 
 
  // if hidden now
 
  } else if (NavToggle.firstChild.data == caption[0]) {
 
    for ( var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
 
      if (hasClass(NavChild, 'NavPic')) NavChild.style.display = 'block';
 
      if (hasClass(NavChild, 'NavContent')) NavChild.style.display = 'block';
 
      if (hasClass(NavChild, 'NavToggle')) NavChild.firstChild.data = caption[1];
 
    }
 
  }
 
}
 
 
// adds show/hide-button to navigation bars
 
function createNavigationBarToggleButton() {
 
  var indexNavigationBar = 0;
 
  var NavFrame;
 
  // iterate over all < div >-elements
 
  for( var i=0; NavFrame = document.getElementsByTagName("div")[i]; i++ ) {
 
    // if found a navigation bar
 
    if (hasClass(NavFrame, "NavFrame")) {
 
      indexNavigationBar++;
 
      var NavToggle = document.createElement("a");
 
      NavToggle.className = 'NavToggle';
 
      NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
 
      NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
 
 
      // surcharge des libellés dérouler/enrouler grâce a l'attribut title
 
      var caption = collapseCaption;
 
      if (NavFrame.title && NavFrame.title.indexOf("/") > 0) {
 
        caption = NavFrame.title.split("/")[1];
 
      }
 
 
      var NavToggleText = document.createTextNode(caption);
 
      NavToggle.appendChild(NavToggleText);
 
 
      // add NavToggle-Button as first div-element  
 
      // in <div class="NavFrame">
 
      NavFrame.insertBefore( NavToggle, NavFrame.firstChild );
 
      NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
 
    }
 
  }
 
  // if more Navigation Bars found than Default: hide all
 
  if (NavigationBarShowDefault < indexNavigationBar) {
 
    for( var i=1; i<=indexNavigationBar; i++ ) {
 
      toggleNavigationBar(i);
 
    }
 
  }
 
}
 
addOnloadHook(createNavigationBarToggleButton);
 
 
   
 
   
 
   
 
   
Ligne 363 : Ligne 314 :
 
   xmlHttp.send( null );
 
   xmlHttp.send( null );
 
}
 
}
 
**
 
* Script pour alterner entre deux cartes de géolocalisation
 
*/
 
addOnloadHook(function(){
 
  var cont;
 
  if(!(wgAction=="view")) return
 
 
  cont=getElementsByClass('img_toogle', document.getElementById('bodyContent'), 'div');
 
  if(cont.length==0) return
 
 
  for (var i = 0; i < cont.length ; i++) {
 
    cont.box = getElementsByClass('geobox',cont[i]);
 
    cont.box[0].style.display='none';
 
    cont.box[1].style.borderTop='0';
 
    var toogle = document.createElement('a');
 
    toogle.appendChild(document.createTextNode(cont.box[0].getElementsByTagName('img')[0].alt));
 
    toogle.href='#';
 
    toogle.className='a_toogle';
 
    toogle.status = 1;
 
    toogle.onclick = function() {
 
      this.removeChild(this.firstChild);
 
      div0 = getElementsByClass('geobox',this.parentNode)[0];
 
      div1 = getElementsByClass('geobox',this.parentNode)[1];
 
      alt0 = div0.getElementsByTagName('img')[0].alt;
 
      alt1 = div1.getElementsByTagName('img')[0].alt;
 
      if(this.status==0) {
 
        div0.style.display='none';
 
        div1.style.display='';
 
        this.status=1;
 
        this.appendChild(document.createTextNode(alt0));
 
      } else {
 
        div0.style.display='';
 
        div1.style.display='none';
 
        this.status=0;
 
        this.appendChild(document.createTextNode(alt1));
 
      }
 
      return false;
 
    }
 
  cont[i].insertBefore(toogle, cont.box[1].nextSibling);
 
  }
 
});
 
 
/**
 
* application de [[Wikipédia:Prise de décision/Système de cache]]
 
* un <span class="noarchive"> autour du lien l'empêche d'être pris en compte
 
* pour celui-ci uniquement
 
* un no_external_cache=true dans un monobouc personnel désactive le script
 
*/
 
 
addOnloadHook(function () {
 
 
  if (wgNamespaceNumber == 0) {
 
    if ((typeof no_external_cache != "undefined") && (no_external_cache)) return;
 
    addcache();
 
  }
 
 
  function addcache() {
 
    var external_links;
 
    if (document.getElementsByClassName) {
 
      external_links = document.getElementsByClassName('external');
 
    } else {
 
      external_links = getElementsByClass('external',document.getElementById("bodyContent"),'a');
 
    }
 
 
    for( i = 0;i < external_links.length;i++)
 
    {
 
      var chemin = external_links[i].href;
 
 
      if(chemin.indexOf("http://wikiwix.com/cache/")==-1 && chemin.indexOf("http://web.archive.org/web/*/")==-1 && chemin.indexOf("wikipedia.org")==-1 && chemin.indexOf("wikimedia.org")==-1 && chemin.indexOf("stable.toolserver.org")==-1)
 
      {
 
      var li = external_links[i].parentNode;
 
      if (li.className == "noarchive") continue;
 
      var depth = 0;
 
      while ((depth < 3) && (li.tagName != "OL") && (li.parentNode != null)) {
 
        li = li.parentNode;
 
        depth++;
 
      }
 
 
      if (li.tagName != "OL" || !(hasClass(li, 'references')) ) continue;
 
      var titre = getTextContent(external_links[i]);
 
      var last = document.createElement("small");
 
      last.setAttribute("class", "cachelinks");
 
      last.style.color = "#3366BB";
 
      last.appendChild(document.createTextNode("\u00a0["));
 
      insertAfter(external_links[i].parentNode, last, external_links[i]);
 
 
      var link = document.createElement("a");
 
      link.setAttribute("href", "http://wikiwix.com/cache/?url=" + chemin.replace(/%/g, "%25").replace(/&/g, "%26") + "&title=" + encodeURIComponent(titre));
 
      link.setAttribute("title", "archive de "+ titre);
 
      link.appendChild(document.createTextNode("archive"));
 
      link.style.color = "#3366BB";
 
      last.appendChild(link);
 
      last.appendChild(document.createTextNode("]"));
 
      }
 
    }
 
  }
 
}
 
);
 
 
/*</nowiki>*/ -->
 
/*</nowiki>*/ -->

Version du 15 juin 2010 à 11:25

/* Tout JavaScript ici sera chargé avec chaque page accédée par n’importe quel utilisateur. */
function hs(id,mod) {
			if(document.getElementById(id).style.display == 'none') {
				document.getElementById(id).style.display=mod;
			}
			else {
				document.getElementById(id).style.display='none';
			}
		}


/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 *  Maintainers: [[**MAINTAINERS**]]
 */
var autoCollapse = 2;
var collapseCaption = 'Enrouler';
var expandCaption = 'Derouler';
 
function collapseTable( tableIndex ) {
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
	if ( !Table || !Button ) {
		return false;
	}
 
	var Rows = Table.rows;
 
	if ( Button.firstChild.data == collapseCaption ) {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}
 
function createCollapseButtons() {
	var tableIndex = 0;
	var NavigationBoxes = new Object();
	var Tables = document.getElementsByTagName( 'table' );
 
	for ( var i = 0; i < Tables.length; i++ ) {
		if ( hasClass( Tables[i], 'collapsible' ) ) {
			/* only add button and increment count if there is a header row to work with */
			var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
			if( !HeaderRow ) continue;
			var Header = HeaderRow.getElementsByTagName( 'th' )[0];
			if( !Header ) continue;
 
			NavigationBoxes[tableIndex] = Tables[i];
			Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
			var Button2     = document.createElement( 'span' );
			var Button     = document.createElement( 'span' );
			var ButtonLink = document.createElement( 'a' );
			var ButtonText = document.createTextNode( collapseCaption );
 
Button2.className = 'collapseButton_outer';
			Button.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css
                        if(hasClass( Tables[i], 'dark' )) {
                          Button.className = Button.className+'_dark';
                        }

			ButtonLink.style.color = Header.style.color;
			ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
			ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
			ButtonLink.appendChild( ButtonText );
 
			Button.appendChild( document.createTextNode( '[' ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( ']' ) );
 Button2.appendChild( Button );
			Header.insertBefore( Button2, Header.childNodes[0] );
			tableIndex++;
		}
	}
 
	for ( var i = 0;  i < tableIndex; i++ ) {
		if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
			collapseTable( i );
		}
	}
}
 
addOnloadHook( createCollapseButtons );
 
/** Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 */
 
var hasClass = (function() {
	var reCache = {};
	return function( element, className ) {
		return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
	};
})();
 
 
/** Dynamic Navigation Bars (experimental) *************************************
 *
 *  Description: See [[Wikipedia:NavFrame]].
 *  Maintainers: UNMAINTAINED
 */
 
// set up the words in your language
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';
 
// shows and hides content and picture (if available) of navigation bars
// Parameters:
//     indexNavigationBar: the index of navigation bar to be toggled
function toggleNavigationBar(indexNavigationBar)
{
    var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
    var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
 
    if (!NavFrame || !NavToggle) {
        return false;
    }
 
    // if shown now
    if (NavToggle.firstChild.data == NavigationBarHide) {
        for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                NavChild.style.display = 'none';
            }
        }
    NavToggle.firstChild.data = NavigationBarShow;
 
    // if hidden now
    } else if (NavToggle.firstChild.data == NavigationBarShow) {
        for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                NavChild.style.display = 'block';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }
}
 
// adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
{
    var indexNavigationBar = 0;
    // iterate over all < div >-elements 
    var divs = document.getElementsByTagName("div");
    for (var i = 0; NavFrame = divs[i]; i++) {
        // if found a navigation bar
        if (hasClass(NavFrame, "NavFrame")) {
 
            indexNavigationBar++;
            var NavToggle = document.createElement("a");
            NavToggle.className = 'NavToggle';
            NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
            NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
 
            var isCollapsed = hasClass( NavFrame, "collapsed" );
            /*
             * Check if any children are already hidden.  This loop is here for backwards compatibility:
             * the old way of making NavFrames start out collapsed was to manually add style="display:none"
             * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
             * the content visible without JavaScript support), the new recommended way is to add the class
             * "collapsed" to the NavFrame itself, just like with collapsible tables.
             */
            for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                    if ( NavChild.style.display == 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if (isCollapsed) {
                for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                    if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                        NavChild.style.display = 'none';
                    }
                }
            }
            var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
            NavToggle.appendChild(NavToggleText);
 
            // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
            for(var j=0; j < NavFrame.childNodes.length; j++) {
                if (hasClass(NavFrame.childNodes[j], "NavHead")) {
                    NavFrame.childNodes[j].appendChild(NavToggle);
                }
            }
            NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
        }
    }
}
 
addOnloadHook( createNavigationBarToggleButton );


<!-- /*<nowiki>*/
/** additional scripts **/
if ( wgIsArticle || window.location.href.indexOf( 'action=submit' ) > -1 )
{
  addScript( 'MediaWiki:CollapsibleTables.js' );
  hookEvent( 'load', function()
  {
    new CollapsibleTables();
    diffwithFix();
    
    // Extension for the deletion drop down list
    if ( wgAction == 'delete' && ( delReasonBtn = document.getElementById( 'wpConfirmB' ) ) )
    {
      var delReasonList        = document.getElementById( 'wpDeleteReasonList' );
      var delLink              = document.createElement( 'a' );
      delLink.href             = 'javascript:void(0);'
      delLink.title            = document.getElementById( 'wpReason' ).value;
      delLink.style.fontSize   = '0.9em';
      delLink.style.marginLeft = '1em';
      delLink.onclick          = function()
      {
        document.getElementById( 'wpReason' ).value = this.title;
      }
      delReasonList.onchange   = function ()
      {
        document.getElementById( 'wpReason' ).value = '';
        this.onchange = null;
      }
      delLink.appendChild( document.createTextNode( 'restore default reason' ) );
      delReasonBtn.parentNode.appendChild( delLink );
      delete delLink, delReasonList, delReasonBtn;
    }
  } );
}
if ( wgPageName == 'Special:Upload' && document.getElementById( 'mw-upload-form' ) !== 'undefined' )
{
  addScript( 'MediaWiki:UploadForm.js' );
  hookEvent( 'load', function()
  {
    new UploadForm();
  } );
}

/**** function addScript.js
 * by Patrick Westerhoff [poke]
 */
function addScript ( pagename )
{
  var script  = document.createElement( 'script' );
  pagename    = encodeURI( pagename.replace( ' ', '_' ) );
  script.src  = '/index.php?title=' + pagename + '&action=raw&ctype=text/javascript';
  script.type = 'text/javascript';
  
  document.getElementsByTagName( 'head' )[0].appendChild( script );
}

/**** function diffwithFix.js
 * by Patrick Westerhoff [poke]
 */
function diffwithFix ()
{
  var diffSpan = document.getElementById( 'diffwith' );
  if ( diffSpan == undefined )
    return;
  
  var diffLink  = diffSpan.getElementsByTagName( 'a' )[0];
  var diffTitle = diffSpan.title;
  var xmlHttp;
  
  try
  {
    xmlHttp = new XMLHttpRequest();
  }
  catch ( e )
  {
    try
    {
      xmlHttp = new ActiveXObject( 'Msxml2.XMLHTTP' );
    }
    catch ( e )
    {
      try
      {
        xmlHttp = new ActiveXObject( 'Microsoft.XMLHTTP' );
      }
      catch ( e )
      {
        diffSpan.style.fontSize = '90%';
        diffSpan.innerHTML      = '(Automated diff <b>not available</b>.)';
        return;
      }
    }
  }
  
  xmlHttp.onreadystatechange = function ()
  {
    if ( xmlHttp.readyState != 4 )
      return;
    
    revs = xmlHttp.responseXML.getElementsByTagName( 'rev' );
    
    if ( revs.length > 0 )
    {
      diffLink.href += '&oldid=' + revs[0].getAttribute( 'revid' );
      diffSpan.title = '';
    }  
  } 
  xmlHttp.open( 'GET', '/api.php?format=xml&action=query&prop=revisions&rvprop=ids&rvlimit=1&titles=' + diffTitle, true );
  xmlHttp.send( null );
}
/*</nowiki>*/ -->