public function getImageHandler()
    {
        if (!$this->imageHandler) {
            $this->imageHandler = new CaptchaImage();
            
            $object = $this->imageHandler;
            $object->width = 90;
            $object->height = 26;
            $object->background = 1;
            $object->adulterate = 1;
            $object->scatter = '';
            $object->color = 1;
            $object->size = 0;
            $object->shadow = 1;
            $object->animator = 0;
        }
        
        return $this->imageHandler;
    }