mu.wpspincode.style.display = "";
  document.getElementById("wep128key_invalid").style.display = "none";
  document.getElementById("wpakey_invalid").style.display = "none";
  switch (mode) {
    case '0':
      document.formu.key.style.background = '#CCCCCC';
      document.formu.key.disabled = true;
      document.formu.wpspairing.checked = false;
      document.formu.wpspairing.disabled = true;
      document.formu.easypairing.checked = false;
      document.formu.easypairing.disabled = true;
      docume