function greeting() {
Now = new Date()
Hour = Now.getHours();
if (Hour < 5)
msg ="<H6>Can't sleep? I'm sure this site will keep you interested!</H4>"
else if(Hour <12)
msg ="<H6>Good morning and welcome to our site.</H4>"
else if(Hour < 18)
msg ="<H6>Good Afternoon, we trust you have had a good day so far!</H4>"
else if (Hour < 24)
msg ="<H6>Good Evening. We hope you have had a pleasant day.</H4>"
return( msg )
}

<!--
function dategreeting() {

function makeArray0() {
for (i = 0; i<makeArray0.arguments.length; i++)
this[i] = makeArray0.arguments[i];
}
var days = new makeArray0("Sunday","Monday","Tuesday","Wednesday","Thursday" ,"Friday","Saturday");
var months = new makeArray0('January','February','March','April','May','June', 'July','August','September','October','November','December');
function nths(day) {
if (day == 1 || day == 21 || day == 31) return 'st';
if (day == 2 || day == 22) return 'nd';
if (day == 3 || day == 23) return 'rd';
return 'th';
}
function getCorrectedYear(year) {
year = year - 0;
if (year < 70) return (2000 + year);
if (year < 1900) return (1900 + year);
return year;
}

function y2k(number) { return (number < 1000) ? number + 1900 : number; }
function padout(number) { return (number < 10) ? '0' + number : number; }

var last = document.lastModified;
var date = new Date(last);
var dateY2K = new Date(getCorrectedYear(date.getYear()),date.getMonth(),date.getDate());
document.write(days[dateY2K.getDay()] + ' ' +
dateY2K.getDate() + nths(dateY2K.getDate()) + " " +
months[dateY2K.getMonth()] + ", " +
(y2k(dateY2K.getYear())));
}
//-->