check();
function check() {
    var language = window.navigator.systemLanguage || window.navigator.language;
    language = language.toLowerCase();
    console.log(language);
    switch (language) {
        case "zh-tw":
            document.write('這是繁體瀏覽器');
            //alert("繁體(big5)");
            break;
        case "zh-cn":
            document.write('这是简体浏览器');
            //alert("简体(gb2312)");

            break;
    }
}