<!-- Paste this code into an external JavaScript file named: daySince.js  -->

/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Chris Hallberg :: http://kanoa.heavenfromhell.com */

function time() {
  // Enter the month, day, and year below you want to use as
  // the starting point for the date calculation
  var amonth = 9
  var aday = 11
  var ayear = 2001

  var x = new Date()
  var dyear
  var dmonth
  var dday
  var tyear = x.getFullYear()
  var tmonth = x.getMonth()+1
  var tday = x.getDate()
  var y=1
  var mm=1 
  var d=1 
  var a2=0 
  var a1=0
  var f=28

  if ((tyear/4)-parseInt(tyear/4)==0) {
    f=29
  }

  m = new Array(31, f, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)

  dyear = tyear-(ayear)

  dmonth = tmonth-amonth
  if (dmonth<0) {
    dmonth = dmonth+12
    dyear--
  }

  dday = tday-aday
  if (dday<0) {
    var ma = amonth+tmonth
    if (ma>12) {ma = ma-12}
    if (ma=0) {ma = ma+12}
    dday = dday+m[ma]
    dmonth--
  }

  if (dyear==0) {y=0}
  if (dmonth==0) {mm=0}
  if (dday==0) {d=0}
  if ((y==1) && (mm==1)) {a1=1}
  if ((y==1) && (d==1)) {a1=1}
  if ((mm==1) && (d==1)) {a2=1}
  if (y==1){
  document.write(+dyear+" Years") }
    if ((a1==1) && (a2==0)) {document.write(" and ")}
    if ((a1==1) && (a2==1)) {document.write(", ")}
    if (mm==1){
    document.write(dmonth+" Months")
  }
  if (a2==1) {document.write(", and ")}
  if (d==1){
    document.write(+dday+" Days")
  }
}



<!-- Paste this code into the HEAD section of your HTML document.
     You may need to change the path of the file.  --> <script type="text/javascript" src="daySince.js"></script> <!-- Paste this code into the BODY section of your HTML document  --> <script type="text/javascript">time()</script> since September 11, 2001