function CurrencyPopup(QueryString)
  {
    CurrencyWindow = window.open ('', 'CurrencyWindow', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,height=256,width=640')
    CurrencyWindow.focus()
    CurrencyWindow.location.href = 'converter.cfm?'+QueryString
  }