function checkpayment(f){

if (f.item_name.value=="")
{
  window.alert("Please enter the beneficiary login username.");
  f.item_name.focus();
  return false;
}


if (f.amount.value < 8)
{
  window.alert("Sorry but the minimum purchase is of 8$ USD due to high fees.\nUnfortunately if you send less than 8$ your payment will be refunded.");
  f.amount.focus();
  return false;
}


return true;
}