public function loginForm($error = '')
 {
     $auth = $this->wa->getAuth();
     $field_id = $auth->getOption('login');
     if ($field_id == 'login') {
         $field_name = _ws('Login');
     } else {
         $field = waContactFields::get($field_id);
         if ($field) {
             $field_name = $field->getName();
         } else {
             $field_name = ucfirst($field_id);
         }
     }
     return '<div class="wa-form">
         <form action="" method="post">
             <div class="wa-field">
                 <div class="wa-name">' . $field_name . '</div>
                 <div class="wa-value">
                     <input' . ($error ? ' class="wa-error"' : '') . ' type="text" name="login" value="' . htmlspecialchars(waRequest::post('login')) . '">
                 </div>
             </div>
             <div class="wa-field">
                 <div class="wa-name">' . _ws('Password') . '</div>
                 <div class="wa-value">
                     <input' . ($error ? ' class="wa-error"' : '') . ' type="password" name="password">
                     ' . ($error ? '<em class="wa-error-msg">' . $error . '</em>' : '') . '
                 </div>
             </div>
             <div class="wa-field">
                 <div class="wa-value wa-submit">
                     <input type="hidden" name="wa_auth_login" value="1">
                     <input type="submit" value="' . _ws('Sign In') . '"> <a href="' . $this->getUrl('/forgotpassword') . '">' . _ws('Forgot password?') . '</a>
                 </div>
             </div>
         </form>
     </div>';
 }