/** 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 = 'hide';
var expandCaption = 'show';
 
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 Button     = document.createElement( 'span' );
			var ButtonLink = document.createElement( 'a' );
			var ButtonText = document.createTextNode( collapseCaption );
 
			Button.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css
 
			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( ']' ) );
 
			Header.insertBefore( Button, 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>*/ -->