function test() {
    alert("test");
  }
  function coupon (form) {
    var coupon = new Array();
    coupon[0]="BidetProPh";
    coupon[1]="BidetProCai";
    coupon[2]="BC101";
    for ( var i=0; i<coupon.length; i++) {
      if (new String(form.buyer_credit_promo_code.value).toLowerCase() == new String(coupon[i]).toLowerCase()) {
        form.amount.value = 288;
      }
    }
  }
  function todaydate(){
    var today_date= new Date()
    var myyear=today_date.getYear()
    var mymonth=today_date.getMonth()+1
    var mytoday=today_date.getDate()
    document.write(myyear+"/"+mymonth+"/"+mytoday)
  }