function SetCookie(name, value) {
        var key = '';
        var Days = 2;
        var exp = new Date();
        var domain = "";
        exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
        if (key == null || key == "") {
            document.cookie = name + "=" + encodeURI(value) + ";expires=" + exp.toGMTString() + ";path=/;domain=" + domain + ";";
        }
        else {
            var nameValue = GetCookie(name);
            if (nameValue == "") {
                document.cookie = name + "=" + key + "=" + encodeURI(value) + ";expires=" + exp.toGMTString() + ";path=/;domain=" + domain + ";";
            }
            else {
                var keyValue = getCookie(name, key);
                if (keyValue != "") {
                    nameValue = nameValue.replace(key + "=" + keyValue, key + "=" + encodeURI(value));
                    document.cookie = name + "=" + nameValue + ";expires=" + exp.toGMTString() + ";path=/;domain=" + domain + ";";
                }
                else {
                    document.cookie = name + "=" + nameValue + "&" + key + "=" + encodeURI(value) + ";expires=" + exp.toGMTString() + ";path=/;" + domain + ";";
                }
            }
        }
    }
    function GetCookie(name) {
        var nameValue = "";
        var key = "";
        var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
        if (arr = document.cookie.match(reg)) {
            nameValue = decodeURI(arr[2]);
        }
        if (key != null && key != "") {
            reg = new RegExp("(^| |&)" + key + "=([^(;|&|=)]*)(&|$)");
            if (arr = nameValue.match(reg)) {
                return decodeURI(arr[2]);
            }
            else return null;
        }
        else {
            return nameValue;
        }
    }
    
    function lang(){
    	var language = (GetCookie("lang") || navigator.browserLanguage || navigator.language).toLowerCase();
    	return language.substring(0,2) ;
    }