function hideCurrencyMenu() {
      if (document.getElementById) { // DOM3 = IE5, NS6
        document.getElementById('cMenu').style.visibility = 'hidden';
      } else {
        if (document.layers) { // Netscape 4
          document.cMenu.visibility = 'hidden';
        } else { // IE 4
          document.all.cMenu.style.visibility = 'hidden';
        }
      }
    }

    function showCurrencyMenu() {
    if (document.getElementById) { // DOM3 = IE5, NS6
      document.getElementById('cMenu').style.visibility = 'visible';
      } else {
        if (document.layers) { // Netscape 4
          document.cMenu.visibility = 'visible';
        } else { // IE 4
          document.all.cMenu.style.visibility = 'visible';
        }
      }
    }

   function selectCurrency(cName, cTitle) {
    hideCurrencyMenu();
    if (document.getElementById) { // DOM3 = IE5, NS6
      document.getElementById('cSelected').innerHTML = cTitle;
    } else {
      if (document.layers) { // Netscape 4
        document.cSelected.innerHTML = cSelect;
      } else { // IE 4
        document.all.cSelected.innerHTML = 'hidden';
      }
    }
    document.cForm.currency.value = cName;
    document.cForm.submit();
   };