ReCaptcha::getJavascriptResource

static function getJavascriptResource($lang = LANGUAGE_ID)
{
	switch ($lang)
	{
		case 'pl': //polish
		case 'de': //german
		case 'fr': //french
			// use $lang
			break;

		case 'la': //spanish
			$lang = 'es';
			break;

		case 'br': //brasiliero
			$lang = 'pt';
			break;

		case 'ru': //russian
		case 'by':
		case 'kz':
			$lang = 'ru';
			break;

		case 'ua': //ukrainian
			$lang = 'uk';
			break;

		case 'sc': //Chinese simplified
			$lang = 'zh-TW';
			break;

		case 'tc': //chinese traditional
			$lang = 'zh-CN';
			break;

		case 'in': //india
		case 'en': //english
		default:
			$lang = 'en';
			break;
	}

	return 'https://www.google.com/recaptcha/api.js?onload=onReCaptchaLoadCallback&render=explicit&hl=' . $lang;
}