function I18n(modules) {
	var translations = modules.translations;
	var language = chooseLanguage();
	return {
		get: get
	};

	function chooseLanguage() {
		var userPreference = navigator.language || navigator.userLanguage;
		if(userPreference != undefined) {
			if(translations[userPreference] != undefined) {
				return userPreference;
			}
			var lang = userPreference.replace(/-.*/, '');
			for(var key in translations) {
				if(key.replace(/-.*/, '') == lang) {
					return key;
				}
			}
		}
		if(translations['en-US'] != undefined) {
			return 'en-US';
		}
		for(var key in translations) {
			return key;
		}
	}

	function get(textId) {
		return translations[language][textId] || ('TRANSLATE "'+textId+'" !!');
	}
}