class TeaserContentCombo extends Page {
   
   static $db = array();
   
   static $has_one = array(
      'TeaserPhoto' => 'Image',
      'TeaserTitle' => 'Text',
      'TeaserContent' => 'Text',
      'TeaserTarget' => 'SiteTree'
   );
   
   function getCMSFields() {
      
      $fields = parent::getCMSFields();
      
      $fields->addFieldsToTab(
         "Root.Content.Teaser",
         array(
            new ImageField('TeaserPhoto'),
            new TextField('TeaserTitle'),
            new TextField('TeaserContent'),
            new TreeDropdownField("TeaserTargetID", "Choose a site to be forwarded to:", "SiteTree")
         )
      );
      
      return $fields;
      
   }
   
}

class TeaserContentCombo_Controller extends Page_Controller {
   
}