language = navigator.userLanguage;
if(!language)
   language = navigator.language;

switch (language)
{
	case "ru":	location.replace("vaik/index.php?lang=rus"); break;
	case "et":	location.replace("vaik/index.php?lang=est"); break;
        case "en":	location.replace("vaik/index.php?lang=eng"); break;   
}