Difference between revisions of "MediaWiki:Common.js"

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/**
+
/** Collapsible tables *********************************************************
* Keep code in MediaWiki:Common.js to a minimum as it is unconditionally
+
* loaded for all users on every wiki page. If possible create a gadget that is
+
* enabled by default instead of adding it here (since gadgets are fully
+
* optimized ResourceLoader modules with possibility to add dependencies etc.)
+
 
  *
 
  *
  * Since Common.js isn't a gadget, there is no place to declare its
+
  * Description: Allows tables to be collapsed, showing only the header. See
* dependencies, so we have to lazy load them with mw.loader.using on demand and
+
  *   http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
  * then execute the rest in the callback. In most cases these dependencies will
+
  *  Maintainers: [[en:User:R. Koot]]
  * be loaded (or loading) already and the callback will not be delayed. In case a
+
  * dependency hasn't arrived yet it'll make sure those are loaded before this.
+
 
  */
 
  */
/*global mw, $, importStylesheet, importScript */
 
/*jshint curly:false eqnull:true, strict:false, browser:true, */
 
mw.loader.using( ['mediawiki.util', 'mediawiki.notify', 'jquery.client'], function () {
 
/* Begin of mw.loader.using callback */
 
  
/**
+
var autoCollapse = 2;
* Main Page layout fixes
+
var collapseCaption = 'hide';
*
+
var expandCaption = 'show';
* Description: Adds an additional link to the complete list of languages available.
+
* Maintainers: [[User:AzaToth]], [[User:R. Koot]], [[User:Alex Smotrov]]
+
*/
+
if ( mw.config.get( 'wgPageName' ) === 'Main_Page' || mw.config.get( 'wgPageName' ) === 'Talk:Main_Page' ) {
+
    $( document ).ready( function () {
+
        mw.util.addPortletLink( 'p-lang', '//meta.wikimedia.org/wiki/List_of_Wikipedias',
+
            'Complete list', 'interwiki-completelist', 'Complete list of Wikipedias' );
+
    } );
+
}
+
  
/**
+
function collapseTable( tableIndex ) {
* Redirect User:Name/skin.js and skin.css to the current skin's pages
+
var Button = document.getElementById( 'collapseButton' + tableIndex );
* (unless the 'skin' page really exists)
+
var Table = document.getElementById( 'collapsibleTable' + tableIndex );
* @source: http://www.mediawiki.org/wiki/Snippets/Redirect_skin.js
+
* @rev: 2
+
*/
+
if ( mw.config.get( 'wgArticleId' ) === 0 && mw.config.get( 'wgNamespaceNumber' ) === 2 ) {
+
    var titleParts = mw.config.get( 'wgPageName' ).split( '/' );
+
    /* Make sure there was a part before and after the slash
+
      and that the latter is 'skin.js' or 'skin.css' */
+
    if ( titleParts.length == 2 ) {
+
        var userSkinPage = titleParts.shift() + '/' + mw.config.get( 'skin' );
+
        if ( titleParts.slice( -1 ) == 'skin.js' ) {
+
            window.location.href = mw.util.wikiGetlink( userSkinPage + '.js' );
+
        } else if ( titleParts.slice( -1 ) == 'skin.css' ) {
+
            window.location.href = mw.util.wikiGetlink( userSkinPage + '.css' );
+
        }
+
    }
+
}
+
  
/**
+
if ( !Table || !Button ) {
* Map addPortletLink to mw.util
+
return false;
*
+
}
* @deprecated: Use mw.util.addPortletLink instead.
+
*/
+
window.addPortletLink = function () {
+
    return mw.util.addPortletLink.apply( mw.util, arguments );
+
};
+
  
/**
+
var Rows = Table.rows;
* Extract a URL parameter from the current URL
+
*
+
* @deprecated: Use mw.util.getParamValue with proper escaping
+
*/
+
window.getURLParamValue = function () {
+
    return mw.util.getParamValue.apply( mw.util, arguments );
+
};
+
  
/**
+
if ( Button.firstChild.data == collapseCaption ) {
* Test if an element has a certain class
+
for ( var i = 1; i < Rows.length; i++ ) {
*
+
Rows[i].style.display = 'none';
* @deprecated:  Use $(element).hasClass() instead.
+
}
*/
+
Button.firstChild.data = expandCaption;
window.hasClass = function ( element, className ) {
+
    return $( element ).hasClass( className );
+
};
+
 
+
/**
+
* @source www.mediawiki.org/wiki/Snippets/Load_JS_and_CSS_by_URL
+
* @rev 5
+
*/
+
// CSS
+
var extraCSS = mw.util.getParamValue( 'withCSS' );
+
if ( extraCSS ) {
+
if ( extraCSS.match( /^MediaWiki:[^&<>=%#]*\.css$/ ) ) {
+
importStylesheet( extraCSS );
+
 
} else {
 
} else {
mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withCSS value' } );
+
for ( var i = 1; i < Rows.length; i++ ) {
 +
Rows[i].style.display = Rows[0].style.display;
 +
}
 +
Button.firstChild.data = collapseCaption;
 
}
 
}
 
}
 
}
 
// JS
 
var extraJS = mw.util.getParamValue( 'withJS' );
 
if ( extraJS ) {
 
if ( extraJS.match( /^MediaWiki:[^&<>=%#]*\.js$/ ) ) {
 
importScript( extraJS );
 
} else {
 
mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withJS value' } );
 
}
 
}
 
 
/**
 
* Import more specific scripts if necessary
 
*/
 
if ( mw.config.get( 'wgAction' ) === 'edit' || mw.config.get( 'wgAction' ) === 'submit' || mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Upload' ) {
 
    /* scripts specific to editing pages */
 
    importScript( 'MediaWiki:Common.js/edit.js' );
 
} else if ( mw.config.get( 'wgCanonicalSpecialPageName' ) === 'Watchlist' ) {
 
    /* watchlist scripts */
 
    importScript( 'MediaWiki:Common.js/watchlist.js' );
 
}
 
if ( mw.config.get( 'wgNamespaceNumber' ) === 6 ) {
 
    /* file description page scripts */
 
    importScript( 'MediaWiki:Common.js/file.js' );
 
}
 
 
/**
 
* Load scripts specific to Internet Explorer
 
*/
 
if ( $.client.profile().name === 'msie' ) {
 
    importScript( 'MediaWiki:Common.js/IEFixes.js' );
 
}
 
 
/**
 
* Fix for Windows XP Unicode font rendering
 
*/
 
if ( navigator.appVersion.search(/windows nt 5/i) !== -1 ) {
 
    mw.util.addCSS( '.IPA { font-family: "Lucida Sans Unicode", "Arial Unicode MS"; } ' +
 
                '.Unicode { font-family: "Arial Unicode MS", "Lucida Sans Unicode"; } ' );
 
}
 
 
/**
 
* WikiMiniAtlas
 
*
 
* Description: WikiMiniAtlas is a popup click and drag world map.
 
*              This script causes all of our coordinate links to display the WikiMiniAtlas popup button.
 
*              The script itself is located on meta because it is used by many projects.
 
*              See [[Meta:WikiMiniAtlas]] for more information.
 
* Maintainers: [[User:Dschwen]]
 
*/
 
( function () {
 
    var require_wikiminiatlas = false;
 
    var coord_filter = /geohack/;
 
    $( document ).ready( function() {
 
        $( 'a.external.text' ).each( function( key, link ) {
 
            if ( link.href && coord_filter.exec( link.href ) ) {
 
                require_wikiminiatlas = true;
 
                // break from loop
 
                return false;
 
            }
 
        } );
 
        if ( $( 'div.kmldata' ).length ) {
 
            require_wikiminiatlas = true;
 
        }
 
        if ( require_wikiminiatlas ) {
 
            mw.loader.load( '//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
 
        }
 
    } );
 
} )();
 
 
/**
 
* Interwiki links to featured articles ***************************************
 
*
 
* Description: Highlights interwiki links to featured articles (or
 
*              equivalents) by changing the bullet before the interwiki link
 
*              into a star.
 
* Maintainers: [[User:R. Koot]]
 
*/
 
function LinkFA() {
 
    if ( document.getElementById( 'p-lang' ) ) {
 
        var InterwikiLinks = document.getElementById( 'p-lang' ).getElementsByTagName( 'li' );
 
 
        for ( var i = 0; i < InterwikiLinks.length; i++ ) {
 
            if ( document.getElementById( InterwikiLinks[i].className + '-fa' ) ) {
 
                InterwikiLinks[i].className += ' FA';
 
                InterwikiLinks[i].title = 'This is a featured article in another language.';
 
            } else if ( document.getElementById( InterwikiLinks[i].className + '-ga' ) ) {
 
                InterwikiLinks[i].className += ' GA';
 
                InterwikiLinks[i].title = 'This is a good article in another language.';
 
            }
 
        }
 
    }
 
}
 
 
$( LinkFA );
 
 
/**
 
* Collapsible tables *********************************************************
 
*
 
* Description: Allows tables to be collapsed, showing only the header. See
 
*              [[Wikipedia:NavFrame]].
 
* Maintainers: [[User:R. Koot]]
 
*/
 
 
var autoCollapse = 2;
 
var collapseCaption = 'hide';
 
var expandCaption = 'show';
 
 
window.collapseTable = function ( tableIndex ) {
 
    var Button = document.getElementById( 'collapseButton' + tableIndex );
 
    var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
 
    if ( !Table || !Button ) {
 
        return false;
 
    }
 
 
    var Rows = Table.rows;
 
    var i;
 
 
    if ( Button.firstChild.data === collapseCaption ) {
 
        for ( i = 1; i < Rows.length; i++ ) {
 
            Rows[i].style.display = 'none';
 
        }
 
        Button.firstChild.data = expandCaption;
 
    } else {
 
        for ( i = 1; i < Rows.length; i++ ) {
 
            Rows[i].style.display = Rows[0].style.display;
 
        }
 
        Button.firstChild.data = collapseCaption;
 
    }
 
};
 
  
 
function createCollapseButtons() {
 
function createCollapseButtons() {
    var tableIndex = 0;
+
var tableIndex = 0;
    var NavigationBoxes = {};
+
var NavigationBoxes = new Object();
    var Tables = document.getElementsByTagName( 'table' );
+
var Tables = document.getElementsByTagName( 'table' );
    var i;
+
  
    function handleButtonLink( index, e ) {
+
for ( var i = 0; i < Tables.length; i++ ) {
        window.collapseTable( index );
+
if ( hasClass( Tables[i], 'collapsible' ) ) {
        e.preventDefault();
+
    }
+
  
    for ( i = 0; i < Tables.length; i++ ) {
+
/* only add button and increment count if there is a header row to work with */
        if ( $( Tables[i] ).hasClass( 'collapsible' ) ) {
+
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
 +
if ( !HeaderRow ) {
 +
continue;
 +
}
 +
var Header = HeaderRow.getElementsByTagName( 'th' )[0];
 +
if ( !Header ) {
 +
continue;
 +
}
  
            /* only add button and increment count if there is a header row to work with */
+
NavigationBoxes[tableIndex] = Tables[i];
            var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
+
Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
            if ( !HeaderRow ) continue;
+
            var Header = HeaderRow.getElementsByTagName( 'th' )[0];
+
            if ( !Header ) continue;
+
  
            NavigationBoxes[ tableIndex ] = Tables[i];
+
var Button = document.createElement( 'span' );
            Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
+
var ButtonLink = document.createElement( 'a' );
 +
var ButtonText = document.createTextNode( collapseCaption );
  
            var Button     = document.createElement( 'span' );
+
Button.className = 'collapseButton'; // Styles are declared in [[MediaWiki:Common.css]]
            var ButtonLink = document.createElement( 'a' );
+
            var ButtonText = document.createTextNode( collapseCaption );
+
  
            Button.className = 'collapseButton'; /* Styles are declared in Common.css */
+
ButtonLink.style.color = Header.style.color;
 +
ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
 +
ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
 +
ButtonLink.appendChild( ButtonText );
  
            ButtonLink.style.color = Header.style.color;
+
Button.appendChild( document.createTextNode( '[' ) );
            ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
+
Button.appendChild( ButtonLink );
            ButtonLink.setAttribute( 'href', '#' );
+
Button.appendChild( document.createTextNode( ']' ) );
            $( ButtonLink ).on( 'click', $.proxy( handleButtonLink, ButtonLink, tableIndex ) );
+
            ButtonLink.appendChild( ButtonText );
+
  
            Button.appendChild( document.createTextNode( '[' ) );
+
Header.insertBefore( Button, Header.childNodes[0] );
            Button.appendChild( ButtonLink );
+
tableIndex++;
            Button.appendChild( document.createTextNode( ']' ) );
+
}
 +
}
  
            Header.insertBefore( Button, Header.firstChild );
+
for ( var i = 0;  i < tableIndex; i++ ) {
            tableIndex++;
+
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
        }
+
collapseTable( i );
    }
+
} else if ( hasClass( NavigationBoxes[i], 'innercollapse' ) ) {
 
+
var element = NavigationBoxes[i];
    for ( i = 0;  i < tableIndex; i++ ) {
+
while ( element = element.parentNode ) {
        if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) || ( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) ) ) {
+
if ( hasClass( element, 'outercollapse' ) ) {
            window.collapseTable( i );
+
collapseTable( i );
        }  
+
break;
        else if ( $( NavigationBoxes[i] ).hasClass ( 'innercollapse' ) ) {
+
}
            var element = NavigationBoxes[i];
+
}
            while ((element = element.parentNode)) {
+
}
                if ( $( element ).hasClass( 'outercollapse' ) ) {
+
}
                    window.collapseTable ( i );
+
                    break;
+
                }
+
            }
+
        }
+
    }
+
 
}
 
}
  
$( createCollapseButtons );
+
addOnloadHook( createCollapseButtons );
  
/**
+
/** Test if an element has a certain class **************************************
* Dynamic Navigation Bars (experimental)
+
 
  *
 
  *
  * Description: See [[Wikipedia:NavFrame]].
+
  * Description: Uses regular expressions and caching for better performance.
* Maintainers: UNMAINTAINED
+
* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 
  */
 
  */
  
/* set up the words in your language */
+
var hasClass = ( function() {
var NavigationBarHide = '[' + collapseCaption + ']';
+
var reCache = {};
var NavigationBarShow = '[' + expandCaption + ']';
+
return function( element, className ) {
 
+
return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
/**
+
};
* Shows and hides content and picture (if available) of navigation bars
+
})();
* Parameters:
+
*    indexNavigationBar: the index of navigation bar to be toggled
+
**/
+
window.toggleNavigationBar = function ( indexNavigationBar, event ) {
+
    var NavToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
+
    var NavFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
+
    var NavChild;
+
 
+
    if ( !NavFrame || !NavToggle ) {
+
        return false;
+
    }
+
 
+
    /* if shown now */
+
    if ( NavToggle.firstChild.data === NavigationBarHide ) {
+
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
+
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
+
                NavChild.style.display = 'none';
+
            }
+
        }
+
    NavToggle.firstChild.data = NavigationBarShow;
+
 
+
    /* if hidden now */
+
    } else if ( NavToggle.firstChild.data === NavigationBarShow ) {
+
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
+
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
+
                NavChild.style.display = 'block';
+
            }
+
        }
+
        NavToggle.firstChild.data = NavigationBarHide;
+
    }
+
 
+
    event.preventDefault();
+
};
+
 
+
/* adds show/hide-button to navigation bars */
+
function createNavigationBarToggleButton() {
+
    var indexNavigationBar = 0;
+
    var NavFrame;
+
    var NavChild;
+
    /* iterate over all < div >-elements */
+
    var divs = document.getElementsByTagName( 'div' );
+
    for ( var i = 0; (NavFrame = divs[i]); i++ ) {
+
        /* if found a navigation bar */
+
        if ( $( NavFrame ).hasClass( 'NavFrame' ) ) {
+
 
+
            indexNavigationBar++;
+
            var NavToggle = document.createElement( 'a' );
+
            NavToggle.className = 'NavToggle';
+
            NavToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
+
            NavToggle.setAttribute( 'href', '#' );
+
            $( NavToggle ).on( 'click', $.proxy( window.toggleNavigationBar, window, indexNavigationBar ) );
+
 
+
            var isCollapsed = $( NavFrame ).hasClass( '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 ( NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling ) {
+
                if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
+
                    if ( NavChild.style.display === 'none' ) {
+
                        isCollapsed = true;
+
                    }
+
                }
+
            }
+
            if ( isCollapsed ) {
+
                for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
+
                    if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( '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 ( $( NavFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
+
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
+
                    NavFrame.childNodes[j].appendChild( NavToggle );
+
                }
+
            }
+
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
+
        }
+
    }
+
}
+
 
+
$( createNavigationBarToggleButton );
+
 
+
/**
+
* Uploadwizard_newusers
+
* Switches in a message for non-autoconfirmed users at [[Wikipedia:Upload]]
+
*
+
* Maintainers: [[User:Krimpet]]
+
*/
+
function uploadwizard_newusers() {
+
    if ( mw.config.get( 'wgNamespaceNumber' ) === 4 && mw.config.get( 'wgTitle' ) === 'Upload' && mw.config.get( 'wgAction' ) === 'view' ) {
+
        var oldDiv = document.getElementById( 'autoconfirmedusers' ),
+
            newDiv = document.getElementById( 'newusers' );
+
        if ( oldDiv && newDiv ) {
+
            var userGroups = mw.config.get( 'wgUserGroups' );
+
            if ( userGroups ) {
+
                for ( var i = 0; i < userGroups.length; i++ ) {
+
                    if ( userGroups[i] === 'autoconfirmed' ) {
+
                        oldDiv.style.display = 'block';
+
                        newDiv.style.display = 'none';
+
                        return;
+
                    }
+
                }
+
            }
+
            oldDiv.style.display = 'none';
+
            newDiv.style.display = 'block';
+
            return;
+
        }
+
    }
+
}
+
 
+
$(uploadwizard_newusers);
+
 
+
/**
+
* Magic editintros ****************************************************
+
*
+
* Description: Adds editintros on disambiguation pages and BLP pages.
+
* Maintainers: [[User:RockMFR]]
+
*/
+
function addEditIntro( name ) {
+
    $( '.editsection, #ca-edit' ).find( 'a' ).each( function ( i, el ) {
+
        el.href = $( this ).attr( 'href' ) + '&editintro=' + name;
+
    } );
+
}
+
 
+
if ( mw.config.get( 'wgNamespaceNumber' ) === 0 ) {
+
    $( function () {
+
        if ( document.getElementById( 'disambigbox' ) ) {
+
            addEditIntro( 'Template:Disambig_editintro' );
+
        }
+
    } );
+
 
+
    $( function () {
+
        var cats = document.getElementById( 'mw-normal-catlinks' );
+
        if ( !cats ) {
+
            return;
+
        }
+
        cats = cats.getElementsByTagName( 'a' );
+
        for ( var i = 0; i < cats.length; i++ ) {
+
            if ( cats[i].title === 'Category:Living people' || cats[i].title === 'Category:Possibly living people' ) {
+
                addEditIntro( 'Template:BLP_editintro' );
+
                break;
+
            }
+
        }
+
    } );
+
}
+
 
+
/**
+
* Description: Stay on the secure server as much as possible
+
* Maintainers: [[User:TheDJ]]
+
*/
+
if ( document.location && document.location.protocol  && document.location.protocol === 'https:' ) {
+
    /* New secure servers */
+
    importScript( 'MediaWiki:Common.js/secure new.js' );
+
}
+
 
+
/* End of mw.loader.using callback */
+
} );
+
/* DO NOT ADD CODE BELOW THIS LINE */
+

Latest revision as of 11:45, 23 May 2013

/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *			   http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 *  Maintainers: [[en:User:R. Koot]]
 */
 
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 );
		} else if ( hasClass( NavigationBoxes[i], 'innercollapse' ) ) {
			var element = NavigationBoxes[i];
			while ( element = element.parentNode ) {
				if ( hasClass( element, 'outercollapse' ) ) {
					collapseTable( i );
					break;
				}
			}
		}
	}
}
 
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 );
	};
})();
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