public static function deleteListingFieldBySID($listing_field_sid)
{
$field_info = SJB_ListingComplexFieldManager::getFieldBySID($listing_field_sid);
return SJB_ListingFieldDBManager::deleteComplexListingFieldBySID($field_info) && SJB_ListingFieldDBManager::deleteComplexFieldProperties($listing_field_sid);
}