Date Calculations

feel free to use this or any of my other programs on your own site if you wish

<script type="text/javascript">

document.write(" Task #1: Calculate years since Jan. 1st, 1970");
var now = new Date();
document.write(" value of now.getTime() is: " + now.getTime() );
document.write(" value of now = new Date() is: " + now );
var nowYears = Math.floor(now.getTime() / (1000 * 60 * 60 * 24 * 365));
document.write(" It's been: " + nowYears + " years since 1970/01/01 ");
document.write(" Task #2: Calculate days since Jan. 1st, 1970");
var nowDays = Math.floor(now.getTime() / (1000 * 60 * 60 * 24));
document.write(" It's been: " + nowDays + " days since 1970/01/01! ");
document.write(" Task #3: Calculate days to a future date since Jan. 1st, 1970");
var then = new Date("August 7, 2007");
document.write(" value of then = new Date() is: " + then );
var thenDays = Math.floor(then.getTime() / (1000 * 60 * 60 * 24));
document.write(" Number of days to August 7th, 2007 Civic Holiday is: " + thenDays + " ! ");

</script>

Note feel free to remove or change any part of this program touse on your site. this program simply outlines diferent things that can be done with dates in javascript.