$(function () {
    $lanTips = $(".lanTips");

    if ($lanTips) {
        if (localStorage) {
            if (localStorage["language-ignored"] == "true") {
                $(".lanTips").hide();
                return;
            }

            var lanTipArrs = new Object();
            lanTipArrs["en"] = new Array("http://www.drivehq.com", "Do you want to visit DriveHQ English website?");
            lanTipArrs["zh"] = new Array("http://chinese.drivehq.com", "要访问DriveHQ中文网站？");
            lanTipArrs["es"] = new Array("http://spanish.drivehq.com", "Do you want to visit DriveHQ Spanish website?");

            var userLanguage = "";
            if (navigator.appName == 'Netscape')
                userLanguage = navigator.language;
            else
                userLanguage = navigator.browserLanguage;

            userLanguage = parseLan(userLanguage);

            ////check if support this language.
            if (userLanguage != "zh" && userLanguage != "es") {
                userLanguage = "en"; //by default it's english.
            }

            var siteLanguage = "en";
            var prefix = "";
            //check site language;
            var host = location.host.toLowerCase();
            if (host.indexOf("drivehq") > 0) {
                var i = host.indexOf(".");
                var prefix = host.substring(0, i);
                switch (prefix) {
                    case "chinese":
                        siteLanguage = "zh";
                        break;
                    case "spanish":
                        siteLanguage = "es";
                        break;
                    case "www":
                    default:
                        siteLanguage = "en";
                        break;
                }
            } else {
                siteLanguage = parseLan($('html').attr('lang'));
                if (siteLanguage == undefined || siteLanguage == null)
                    siteLanguage = "en";
            }

            if (siteLanguage != userLanguage) {
                //check if need to redirect automatically.
                if (localStorage["language-autoRedirect"] == "true") {
                    //window.location.href = lanTipArrs[userLanguage][0];
                } else {
                    $(".lanTips .lanTipsText").html(lanTipArrs[userLanguage][1]);
                    $(".lanTips .lanTipsYes").data("href", lanTipArrs[userLanguage][0]);
                    $(".lanTips").toggle(true);
                }
            }
        }

        $(".lanTipsClose, .lanTipsNo").click(function () {
            localStorage["language-ignored"] = "true";
            localStorage["language-autoRedirect"] = "false";
            $(".lanTips").toggle(false);
        });

        $(".lanTipsYes").click(function () {
            localStorage["language-ignored"] = "false";
            localStorage["language-autoRedirect"] = "true";
            $(".lanTips").toggle(false);
            window.location.href = $(".lanTipsYes").data("href");
        });
    }
});

function parseLan(lanStr) {
    var i = lanStr.indexOf("-");
    if (i <= 0)
        return lanStr;

    lanStr = lanStr.substring(0, i);

    return lanStr;
}