/**
  * Used to draw the entry's title in each cell.
  * @param PICTURE $obj
  * @return TITLE_FORMATTER
  * @access private
  */
 public function title_formatter($obj)
 {
     $Result = parent::title_formatter($obj);
     $this->_url->replace_argument('id', $obj->id);
     $Result->location = $this->_url->as_text();
     return $Result;
 }