var language = "";
var otherLanguages = new Array("FR","NL","DE","DA","NO","RU","SV","ES","JA");//,"PT","JA","KO");
var quboLanguages = new Array("IT","EN");

function setLanguage () {
	var tmpLang = "";
	if (navigator.language!=undefined)
		tmpLang = navigator.language;
	else if (navigator.systemLanguage!=undefined)
		tmpLang = navigator.systemLanguage;

	if (tmpLang.length>=2)
		language = tmpLang.substring(0,2).toUpperCase();
	else
		language = "EN";
//	language = "NL";	
}

function isQuboLanguage() {
	for (var i=0; i<quboLanguages.length; i++) {
		if (language==quboLanguages[i])
			return true;
	}
	return false;
}

function isOtherLanguage () {
	for (var i=0; i<otherLanguages.length; i++) {
		if (language==otherLanguages[i]) {
			return true;
		}
	}
	return false;
}

function isWelcomeCookieSet () {
	if (readCookie("URWELCOME")=="OK") {
		var chosenLang = readCookie("URLANG");
		for (var i=0; i<quboLanguages.length; i++) {
			if (chosenLang==quboLanguages[i]) {
				createCookie("URLANG",chosenLang,180); 	// allungo la vita del cookie
				createCookie("URWELCOME","OK",180); 		// allungo la vita del cookie
				return true;
			}
		}
	}
	return false;
}

function goToHome (lang) {
	createCookie("URWELCOME","OK",180);
	createCookie("URLANG",lang,180);
	if (isQuboLanguage()) {
		document.location = lang.toLowerCase()+"/index.php";
	} else {
		document.location = lang.toLowerCase()+"/index.php?l="+language;	
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}