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 * Allows to detect if item has any additional images available 
 * 
 * @param Array $params 
 * @return string 
 */ 
function HasAdditionalImages($params) 
{ 
    static $cache = null; 

    $object =& $this->getObject($params);

 
    /* @var $object kDBList */

 

    if (!isset($cache))

 { 
        $resource_ids = $object->GetCol('ResourceId');

 
        $sql = 'SELECT ImageId, ResourceId 
                FROM ' . $this->Application->getUnitOption('img',

 'TableName') .

 ' 
                WHERE ResourceId IN (' . implode(',', $resource_ids)

 . ') AND DefaultImg != 1 AND Enabled =

 1 
                GROUP BY ResourceId'; 
        $cache = $this->Conn->GetCol($sql, 'ResourceId');

 
    } 

    $resource_id = $object->GetDBField('ResourceId');

 

    return array_key_exists($resource_id, $cache) ?

 $cache[$resource_id] : false;

 
}