public boolean updateAccount(Account account) {
   return accountDAO.updateAccount(account);
 }
 public boolean deleteAccount(Account account) {
   return accountDAO.deleteAccount(account);
 }
 public Account findAccountByLogin(String login) {
   return accountDAO.findAccountByLogin(login);
 }
 public int insertAccount(Account account) {
   return accountDAO.insertAccount(account);
 }