function LastUpdate() {

var Days = new Array("Sunday", 
   "Monday", "Tuesday", "Wednesday", 
   "Thursday", "Friday", "Saturday");           //Day Names array
var Months = new Array(
   "January", "February", "March", 
   "April", "May", "June", "July", 
   "August","September", "October", 
   "November", "December");                      //Month Names array

var Updated = new Date(document.lastModified);   //last modified date
var dName   = Days[Updated.getDay()];            //name of the day of the week
var mName   = Months[Updated.getMonth()];        //name of the month
var d       = Updated.getDate();                 //date
var y       = Updated.getFullYear();             //year
var h       = Updated.getHours();                //hour
var m       = Updated.getMinutes();              //minutes
if (m < 10) m = "0" + m;                         //2-digit minutes
var UpdateText="Last updated on " + dName + " " +  d + " " + mName + " " + y + " at " + h + ":" + m + " " + "NZST";            //The Last Updated Statement ...
return UpdateText

}

// OK ??