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/* <pre> */ 
// Codice originale su [[Wikipedia:WikiProject User scripts/Scripts/Multi-NS search]]
// Istruzioni su http://it.wikisource.org/wiki/Utente:IPork/scripts/Ricerca avanzata
$(function () {
    var searchGoButton = document.getElementById('searchGoButton');
    if (!searchGoButton) return;

    var searchNsHidden = document.createElement('input');
    searchNsHidden.id = 'searchNsHidden';
    searchNsHidden.type = 'hidden';
    searchNsHidden.name = 'ns0';
    searchNsHidden.value = '1';

    var searchNsMenu = document.createElement('select');
    searchNsMenu.id = 'searchNsMenu';
    searchNsMenu.name = 'ns';
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Principale', 0);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussione principale', 1);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Autore', 102);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni Autore', 103);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Aiuto', 12);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni Aiuto', 13);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Wikisource', 4);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni Wikisource', 5);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Progetto', 104);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni progetto', 105);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Portale', 106);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni portale', 107);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Pagina', 108);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni pagina', 109);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Indice', 110);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni indice', 111);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Categorie', 14);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni Categorie', 15);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Template', 10);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni Template', 11);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Immagine', 6);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni immagine', 7);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Utente', 2);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni utente', 3);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('MediaWiki', 8);
    searchNsMenu.options[searchNsMenu.options.length] = new Option('Discussioni MediaWiki', 9);

    searchNsMenu.onchange = function () {
        searchNsHidden.name = 'ns' + (this.selectedIndex < 0 ? '0' : this.options[this.selectedIndex].value);
    };

    // From /skins-1.5/monobook/main.css?5:
    searchNsMenu.style.width = '10.9em';
    searchNsMenu.style.margin = '0';
    searchNsMenu.style.fontSize = '95%';

    searchGoButton.parentNode.insertBefore(searchNsHidden, searchGoButton);
    searchGoButton.parentNode.insertBefore(searchNsMenu, searchGoButton);
});

/* </pre> */