var now
var year
var month
var day
var hour
var min
var sec
var yearID
var monthID
var hourID
var adRef

function setRef() {

    now = new Date;
    year = now.getYear();
    month = now.getMonth();
    day = now.getDate();
    hour = now.getHours();
    min = now.getMinutes();
    sec = now.getSeconds();
    yearID = year - 2000;
    monthID = new Array ("A","B","C","D","E","F","G","H","I","J","K","L");
    hourID = new Array ("A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X");

    // adRef = monthID[month] + day + "-" + hourID[hour] + min + "-" + sec;
    adRef = yearID + monthID[month] + day + "-" + hourID[hour] + min + sec;

    document.InputForm.ad_ref.value = adRef;

}