function __construct($value = null)
 {
     parent::__construct($value ?: self::NONE);
     $translates = array();
     $translates[self::NONE] = KT_EMPTY_SYMBOL;
     $translates[self::WEBDESIGN] = __("Webdesign", "ZZZ_DOMAIN");
     $translates[self::ANALYSIS] = __("Analýza", "ZZZ_DOMAIN");
     $translates[self::PROGRAMMING] = __("Programování", "ZZZ_DOMAIN");
     $this->setTranslates($translates);
 }
 function __construct($value = null)
 {
     parent::__construct($value ?: self::NONE);
 }