/**
* returns the variable with the thumbnail image
*
* @param string $format gif, jpg, png, wbmp
* @return mixed
* @uses createThumbnail()
* @uses CachedThumbnail::returnThumbnail()
*/
public function returnThumbnail($format = 'png')
{
parent::setOutputFormat($format);
/*parent::setCache();
if ($this->cache_time === 0 || $this->cache->isPictureCached() === FALSE) {
$this->createThumbnail();
if ($this->cache_time > 0) {
$this->cache->writePictureCache($this->thumbnail, 100);
} // end if
} // end if
*/
return parent::returnThumbnail($format);
}
