function submitform(bookingengine)
{
  var verified = "true"
  if (document.bookform.to.value == "")
  {
    alert("Please enter a destination in the 'To' field");
    document.bookform.to.focus();
    verified ="false"
  }

  if (document.bookform.to.value.length > 128)
  {
    alert("Please enter at most 128 characters in the \"to\" field.");
    document.bookform.to.focus();
    verified = "false"
  }
  
  if (verified =="true")
  {
  document.bookform.submit0.value = bookingengine;
  document.bookform.submit();
  }
}

function verifyform()
{
    if (document.bookform.to.value == "")
  {
    alert("Please enter a destination in the 'To' field");
    document.bookform.to.focus();
    return (false);
  }

  if (document.bookform.to.value.length > 128)
  {
    alert("Please enter at most 128 characters in the \"to\" field.");
    document.bookform.to.focus();
    return (false);
  }
  return(true);
}