function getLang() {
	var array = location.search.split("?");
	var lang;
	
	if (array[1] != undefined) {
		lang = array[1];
	} else {
		lang = getBrowserLang();
	}
	
	return lang;
}

function getBrowserLang() {
	if(document.all) {
		return navigator.browserLanguage;
	} else if(document.getElementById) {
		return navigator.language.substr(0,2);
	}
}