GM_xmlhttpRequest({
    method: 'GET',
    url: 'http://userscripts.org',
    onload: function(responseDetails) {
        var dt = document.implementation.createDocumentType("html","-//W3C//DTD HTML 4.01 Transitional//EN", "http://www.w3.org/TR/html4/loose.dtd");
        var doc = document.implementation.createDocument('', '', dt);
        var html = doc.createElement('html');

        html.innerHTML = responseDetails.responseText;
        doc.appendChild(html);

        var posts = $('td:contains("Post count")', doc).next('td').text();
        $('.userinfo', document).after('<dl><dt>Tools</dt></dl>');
        var user_name = $('.userinfo dt', document).text();
        '<dt>Tools</dt><dd>'+ posts +'</dd> ';
        $('.userinfo').after('<dl><dt>Tools</dt></dl>');
    }
});