function submitAuthentication()
{
  var user = document.getElementById("user").value;
  var pwd  = document.getElementById("password").value;
  document.getElementById("password").disabled = true;
  var HA1 = MD5(user + ":" + realm + ":" + pwd);
  var HA2 = MD5("GET" + ":" + uri);
  document.getElementById("hidepw").value = MD5(HA1 + ":" + nonce +
                          ":" + "00000001" + ":" + "xyz" + ":" + qop + ":" + HA2);
  document.authform.submit();
  disable_fields(document.authform);
}