Js Cookies

function getCookie(name) {
    var arr = document.cookie.match(new RegExp("(^| )userInfo=([^;]*)(;|$)"));
    if (arr != null) {
        arr = unescape(arr[2]).split("&");
        for (x in arr)
            if (arr[x].split("=")[0] == name) {
                return arr[x].split("=")[1];
            }
    }
    else {
        return "";
    }
}
alert( getCookie("userName"))

function getCookie(key, name) {
    var arr = document.cookie.match(new RegExp("(^| )" + key + "=([^;]*)(;|$)"));
    if (arr != null) {
        arr = unescape(arr[2]).split("&");
        for (x in arr) {
            if (arr[x].split("=")[0] == name) {
                return arr[x].split("=")[1];
            }
        }
    }
    return "";
}
alert(getCookie("userInfo", "userName"))
alert(getCookie("userInfo", "lastVisit"))