int totalPages = 1;
String page = request.getParameter("pageNum");
if (page != null && !page.equals("")) {
pageNum = Integer.parseInt(page);
}
List<LogUsuario> l = m.retrieveLogs(pageNum);
totalPages = ((LogUsuario) l.remove(l.size() - 1)).getId();
request.setAttribute("logs", l);
request.setAttribute("totalPages", totalPages);
request.setAttribute("pageNum", pageNum);