datetoday = new Date();
timenow=datetoday.getTime();
datetoday.setTime(timenow);
thehour = datetoday.getHours();
if (thehour > 18) display = "<img src='/images/good_evening.jpg' alt='Good Evening &amp; Welcome!' />";
else if (thehour >12) display = "<img src='/images/good_afternoon.jpg' alt='Good Afternoon &amp; Welcome!' />";
else if (thehour >23) display = "<img src='/images/good_night.jpg' alt='What are you doing up so late? Go to bed!' />";
else display = "<img src='/images/good_morning.jpg' alt='Good Morning &amp; Welcome!' />";
var greeting = (display);
document.write(greeting);