dateToday = new Date();
hour = dateToday.getHours();
if (hour >= 18) {
	greeting = "evening";
	width = 231;
} else if (hour >= 12) {
	greeting = "afternoon";
	width = 268;
} else {
	greeting = "morning";
	width = 237;
}
display = "<img border=\"0\" src=\"images/hdg_" +
         greeting +
         ".gif\" width=\"" +
         width +
         "\" height=\"40\"></p>"
document.write(display);