function kepek(url, w, h)
{
disp = window.open("","pop","height=" + h + ",width=" + w + ",left=" + ((screen.width - w)/2) + ",top=" + ((screen.height - h)/2 - 20) + "");
content = '';
content += 'használt notebook';
content += '';
content += '';
content += '
';
content += '';
disp.document.write(content);
disp.document.close();
}