$(function() {
  if (top.location.hostname === "mycourses.ict.mahidol.ac.th") {
    var username = document.getElementById("username");
    var password = document.getElementById("password");
    if (username != null && password != null) {
      	username.value = "uxx88yyy";
      	password.value = "password";
	document.forms["login"].submit();
    }
}