public function getCategoryUrl($oCategory, $iLang = null)
 {
     $ret = parent::getCategoryUrl($oCategory, $iLang = null);
     $sUri = strtolower($ret);
     return $sUri;
 }
 /**
  * Returns category lowercase SEO url for specified page
  *
  * @param oxcategory $oCategory category object
  * @param int $iPage            page tu prepare number
  * @param int $iLang            language
  * @param bool $blFixed         fixed url marker (default is null)
  *
  * @return string
  */
 public function getCategoryPageUrl($oCategory, $iPage, $iLang = null, $blFixed = null)
 {
     $url = parent::getCategoryPageUrl($oCategory, $iPage, $iLang, $blFixed);
     return strtolower($url);
 }