// SEARCH NAMESPACE MENU: <pre><nowiki>

addOnloadHook(function () {
    var searchGoButton = document.getElementById('searchGoButton');
    var searchInput = document.getElementById('searchInput');
    if (!searchGoButton || !searchInput) return;

    // Customize project name based on DB name suffix; may need further per-language customization
    var siteName = 'Project';  // default name for ns:4
    if (/^[a-z]{2,3}(_[_a-z0-9]*)?wiki$/.test(mw.config.get('wgDBname')))
        siteName = 'Wikipedia';
    else if (/wiktionary$/.test(mw.config.get('wgDBname')))
        siteName = 'Wiktionary';
    else if (/wiki(books|news|quote|source|versity)$/.test(mw.config.get('wgDBname')))
        siteName = mw.config.get('wgDBname').replace(/^.*wiki/, 'Wiki');

    // Standard namespaces, common to all MediaWiki wikis
    var nameSpaces = {
        '-1': '—namespace—',  // -1 = NS_SPECIAL, but we use it as a placeholder
         '0': '(Main)',
         '1': 'Talk',
         '2': 'User',
         '3': 'User talk',
         '4': siteName,
         '5': siteName + ' talk',
         '6': 'File',
         '7': 'File talk',
         '8': 'MediaWiki',
         '9': 'MediaWiki talk',
        '10': 'Template',
        '11': 'Template talk',
        '12': 'Help',
        '13': 'Help talk',
        '14': 'Category',
        '15': 'Category talk'
    };

    // Localized default namespaces (per Messages*.php)
    if (mw.config.get('wgContentLanguage') == 'fi') {
        nameSpaces['-1'] = '—nimiavaruus—';
        nameSpaces['0'] = '(Sivut)';
        nameSpaces['1'] = 'Keskustelu';
        nameSpaces['2'] = 'Käyttäjä';
        nameSpaces['3'] = 'Keskustelu käyttäjästä';
        // ns:4 and ns:5 may vary, override below as needed
        nameSpaces['6'] = 'Kuva';
        nameSpaces['7'] = 'Keskustelu kuvasta';
        nameSpaces['8'] = 'Järjestelmäviesti';
        nameSpaces['9'] = 'Keskustelu järjestelmäviestistä';
        nameSpaces['10'] = 'Malline';
        nameSpaces['11'] = 'Keskustelu mallineesta';
        nameSpaces['12'] = 'Ohje';
        nameSpaces['13'] = 'Keskustelu ohjeesta';
        nameSpaces['14'] = 'Luokka';
        nameSpaces['15'] = 'Keskustelu luokasta';
    }

    // Site-specific customizations
    if (mw.config.get('wgDBname') == 'commonswiki') {
        nameSpaces['0'] = '(Gallery)';
        nameSpaces['4'] = 'Commons';
        nameSpaces['5'] = 'Commons talk';
        nameSpaces['100'] = 'Creator';
        nameSpaces['101'] = 'Creator talk';
    }
    else if (mw.config.get('wgDBname') == 'metawiki') {
        nameSpaces['4'] = 'Meta';
        nameSpaces['5'] = 'Meta talk';
        nameSpaces['100'] = 'Hilfe';
        nameSpaces['101'] = 'Hilfe Diskussion';
        nameSpaces['102'] = 'Aide';
        nameSpaces['103'] = 'Discussion Aide';
        nameSpaces['104'] = 'Hjælp';
        nameSpaces['105'] = 'Hjælp diskussion';
        nameSpaces['106'] = 'Helpo';
        nameSpaces['107'] = 'Helpa diskuto';
        nameSpaces['108'] = 'Hjälp';
        nameSpaces['109'] = 'Hjälp diskussion';
        nameSpaces['110'] = 'Ayuda';
        nameSpaces['111'] = 'Ayuda Discusión';
        nameSpaces['112'] = 'Aiuto';
        nameSpaces['113'] = 'Discussioni aiuto';
        nameSpaces['114'] = 'ヘルプ';
        nameSpaces['115'] = 'ヘルプ‐ノート';
        nameSpaces['116'] = 'NL Help';
        nameSpaces['117'] = 'Overleg help';
        nameSpaces['118'] = 'Pomoc';
        nameSpaces['119'] = 'Dyskusja pomocy';
        nameSpaces['120'] = 'Ajuda';
        nameSpaces['121'] = 'Ajuda Discussão';
        nameSpaces['122'] = 'CA Ajuda';
        nameSpaces['123'] = 'CA Ajuda Discussió';
        nameSpaces['124'] = 'Hjelp';
        nameSpaces['125'] = 'Hjelp diskusjon';
        nameSpaces['126'] = '帮助';
        nameSpaces['127'] = '帮助 对话';
        nameSpaces['128'] = 'Помощь';
        nameSpaces['129'] = 'Помощь Дискуссия';
        nameSpaces['130'] = 'Pomoč';
        nameSpaces['131'] = 'Pogovor o pomoči';
        nameSpaces['132'] = 'مساعدة';
        nameSpaces['133'] = 'نقاش المساعدة';
    }
    if (mw.config.get('wgDBname') == 'mediawikiwiki') {
        nameSpaces['100'] = 'Manual';
        nameSpaces['101'] = 'Manual talk';
        nameSpaces['102'] = 'Extension';
        nameSpaces['103'] = 'Extension talk';
    }
    if (mw.config.get('wgDBname') == 'enwiki') {
        nameSpaces['0'] = '(Article)';
        nameSpaces['100'] = 'Portal';
        nameSpaces['101'] = 'Portal talk';
    }
    if (mw.config.get('wgDBname') == 'fiwiki') {
        nameSpaces['0'] = '(Artikkelit)';
        nameSpaces['5'] = 'Keskustelu Wikipediasta';
        nameSpaces['100'] = 'Teemasivu';
        nameSpaces['101'] = 'Keskustelu teemasivusta';
        nameSpaces['102'] = 'Metasivu';
        nameSpaces['103'] = 'Keskustelu metasivusta';
    }

    // Localization ends here, actual code begins

    var searchNsHidden = document.createElement('input');
    searchNsHidden.id = 'searchNsHidden';
    searchNsHidden.type = 'hidden';
    searchNsHidden.name = 'defaultns';
    searchNsHidden.value = '1';

    var searchNsMenu = document.createElement('select');
    searchNsMenu.id = 'searchNsMenu';
    searchNsMenu.name = 'ns';

    var nsOptions = []
    for (i in nameSpaces) {
        nsOptions[nsOptions.length] = new Option(nameSpaces[i], i);
    }
    nsOptions.sort(function (a,b) { return a.value - b.value; });
    // can't sort searchNsMenu.options, can't assign an array directly to it, must do it like this:
    for (var i = 0; i < nsOptions.length; i++) {
        searchNsMenu.options[i] = nsOptions[i];
    }

    addHandler(searchNsMenu, "change", function () {
        if (searchNsMenu.selectedIndex > 0) {  // first element is placeholder
            searchNsHidden.name = 'ns' + searchNsMenu.options[searchNsMenu.selectedIndex].value;
        } else {
            searchNsHidden.name = 'defaultns';  // dummy value, will be ignored
        }
    });

    // Style menu with CSS to match current skin
    appendCSS(
        "body.skin-monobook #searchNsMenu { width: 10.9em; margin: 0; font-size: 95%; }\n" +
        "body.skin-vector #searchNsMenu { margin:0.4em 0 0; }\n" +
    "");

    // Adjust placement depending on skin
    var skinName = /(^| )skin-([^ ]+)/.exec(document.body.className);
    skinName = (skinName ? skinName[2] : "unknown");
    var nextElement = (skinName == "vector" ? searchInput : searchGoButton);

    // Insert the menu
    searchGoButton.parentNode.insertBefore(searchNsHidden, nextElement);
    searchGoButton.parentNode.insertBefore(searchNsMenu, nextElement);
    searchGoButton.parentNode.insertBefore(document.createTextNode(" "), nextElement);

    // Kluge: make the "Go" button prepend the namespace
    addHandler(searchGoButton, "click", function () {
        if (searchNsMenu.selectedIndex > 1) {  // first element is placeholder, second is ns:0
            searchInput.value = searchNsMenu.options[searchNsMenu.selectedIndex].text + ":" + searchInput.value;
            searchNsMenu.selectedIndex = 0;    // reset, just in case
        }
    });
});

// </nowiki></pre>