echo '<div class="alert alert-warning alert-dismissible" role="alert">';
             echo '<button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>';
             echo 'No changes made.';
             echo '</div>';
         } else {
             if ($a == 0) {
                 echo '<div class="alert alert-danger alert-dismissible" role="alert">';
                 echo '<button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>';
                 echo 'Invalid authentication. Please try again later or re-login.';
                 echo '</div>';
             }
         }
     }
 }
 if ($ab == 2) {
     $a = $s->stopRegistration();
     if ($a == 1) {
         echo '<div class="alert alert-success alert-dismissible" role="alert">';
         echo '<button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>';
         echo 'Registration process stopped.';
         echo '</div>';
     } else {
         if ($a == 2) {
             echo '<div class="alert alert-warning alert-dismissible" role="alert">';
             echo '<button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>';
             echo 'No changes made.';
             echo '</div>';
         } else {
             if ($a == 0) {
                 echo '<div class="alert alert-danger alert-dismissible" role="alert">';
                 echo '<button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>';