function validateLogin(theForm) {
    var user = false;
    var pass = false;
    var output = theForm.getElementById("errormsg");
    var msg = "missing username/password";
    if (theForm.txtUser.value != null) {
        user = true;
    }
    else {
        output.innerHTML = msg;
    }


    if (theForm.txtPass.value != null) {
        pass = true;
    }
    else {
        output.innerHTML = msg;
    }


    return (user && pass);
}