/**
  * Returns if the minimum order value shall be used.
  *
  * @return bool
  *
  * @author Sascha Koehler <*****@*****.**>
  * @since 09.06.2011
  */
 public static function UseMinimumOrderValue()
 {
     if (is_null(self::$useMinimumOrderValue)) {
         self::$useMinimumOrderValue = self::getConfig()->useMinimumOrderValue;
     }
     return self::$useMinimumOrderValue;
 }