protected function PopulateForm($Form) {
      $Get = $this->Request->Get();
      $Get = array_change_key_case($Get);
      $Values = ArrayTranslate($Get, array('name' => 'Name', 'tags' => 'Tags', 'body' => 'Body'));
      foreach ($Values as $Key => $Value) {
         $Form->SetValue($Key, $Value);
      }
      
      if (isset($Get['category'])) {
         $Category = CategoryModel::Categories($Get['category']);
         if ($Category && $Category['PermsDiscussionsAdd'])
            $Form->SetValue('CategoryID', $Category['CategoryID']);
      }
   }