function validate_form() {
    var pass = validate_password();

    return validate_confirm() && pass;
}

function validate_confirm() {
    var password = document.getElementById("newpassword");
    var confirm = document.getElementById("confirm_password");

    if (password.value != confirm.value) {
        confirm.classList.add("errorinput");
        document.getElementById("confirm-msg").classList.add("fade");
        return false;
    }

    confirm.classList.remove("errorinput");
    document.getElementById("confirm-msg").classList.remove("fade");

    return true;
}

function validate_password() {
    var password = document.getElementById("newpassword");
    var reg = /(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}/;

    if (reg.test(password.value) != true) {
        password.classList.add("errorinput");
        document.getElementById("password-msg").classList.add("fade");
        return false;
    }

    password.classList.remove("errorinput");
    document.getElementById("password-msg").classList.remove("fade");

    return true;
}