function ExhibitionSydney() {
      $now = date("Y-m-d",time());

   //   Retrieve all Exhibitions
      $exhibitions = DataObject::get('Exhibition', '','DateFrom DESC');

   //   Iterate through Exhibitions to find any that fall on the current date
         foreach($exhibitions as $exhibition){
               if ( $now >= $exhibition->DateFrom && $now <= $exhibition->DateTo )   {
            //   if the result falls within the current date, add Current=>true to the dataobjectset
               ???????
            }   
         }
      
      return $exhibitions;
   }