function exercisehours() {
    var x = document.getElementById("hours").value;
    var y;
    switch (x)
    {
        case "1":
            y= "You could join a university club or go for a run around your park to get some exercise";
            break;
        case "2":
            y="Try and add another hour of exercise into your routine by walking to the shop instead of taking the bus!";
            break;
        case "3":
            y="Make sure you have both high intensity and low intensity workouts";
            break;
        case "4":
            y="You seem to be very active, careful you don't over do it!";
            break;
        default:
           y=" ";
            break;
    }
    document.getElementById("result").innerHTML = y;
}
    function myFunction() {
      alert("Thanks! You've signed up to our newsletter!");
    }