public function Advanced() {
      // Check permission
      $this->Permission('Garden.Settings.Manage');
      
      // Load up config options we'll be setting
      $Validation = new Gdn_Validation();
      $ConfigurationModel = new Gdn_ConfigurationModel($Validation);
      $ConfigurationModel->SetField(array(
         'Vanilla.Discussions.PerPage',
         'Vanilla.Comments.AutoRefresh',
         'Vanilla.Comments.PerPage',
         'Garden.Html.AllowedElements',
         'Vanilla.Archive.Date',
         'Vanilla.Archive.Exclude',
         'Garden.EditContentTimeout',
         'Vanilla.AdminCheckboxes.Use',
         'Vanilla.Discussions.SortField' => 'd.DateLastComment',
         'Vanilla.Discussions.UserSortField'
      ));
      
      // Set the model on the form.
      $this->Form->SetModel($ConfigurationModel);
      
      // If seeing the form for the first time...
      if ($this->Form->AuthenticatedPostBack() === FALSE) {
         // Apply the config settings to the form.
         $this->Form->SetData($ConfigurationModel->Data);
      } else {
         // Define some validation rules for the fields being saved
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Discussions.PerPage', 'Required');
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Discussions.PerPage', 'Integer');
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Comments.AutoRefresh', 'Integer');
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Comments.PerPage', 'Required');
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Comments.PerPage', 'Integer');
         $ConfigurationModel->Validation->ApplyRule('Vanilla.Archive.Date', 'Date');
         $ConfigurationModel->Validation->ApplyRule('Garden.EditContentTimeout', 'Integer');
         
         // Grab old config values to check for an update.
         $ArchiveDateBak = Gdn::Config('Vanilla.Archive.Date');
         $ArchiveExcludeBak = (bool)Gdn::Config('Vanilla.Archive.Exclude');
         
         // Save new settings
         $Saved = $this->Form->Save();
         if($Saved) {
            $ArchiveDate = Gdn::Config('Vanilla.Archive.Date');
            $ArchiveExclude = (bool)Gdn::Config('Vanilla.Archive.Exclude');
            
            if($ArchiveExclude != $ArchiveExcludeBak || ($ArchiveExclude && $ArchiveDate != $ArchiveDateBak)) {
               $DiscussionModel = new DiscussionModel();
               $DiscussionModel->UpdateDiscussionCount('All');
            }
            $this->InformMessage(T("Your changes have been saved."));
         }
      }
      
      $this->AddSideMenu('vanilla/settings/advanced');
      $this->AddJsFile('settings.js');
      $this->Title(T('Advanced Forum Settings'));
      
      // Render default view (settings/advanced.php)
      $this->Render();
   }