now = new Date();
hours = now.getHours();
if (hours < 5) document.write("A very early good morning, and");
else if (hours >= 5 && hours < 12) document.write("Good morning, and");
else if (hours >= 12 && hours < 18) document.write("Good afternoon, and");
else if (hours >= 18 && hours < 22) document.write("Good evening, and");
else document.write("A rather late good evening, and");
document.write();