<!--
function ValidateForm(form)
{
  if (form.Name.value == "")
  { alert("Please include your name in visitor details"); form.Name.focus(); return; }
  if (form.email.value == "")
  { alert("Please include your email address in visitor details"); form.email.focus(); return; }
  if (form.email.value.indexOf('@', 0) == -1 ||
      form.email.value.indexOf('.', 0) == -1)
  { alert("Please enter a valid email address in visitor details"); form.email.focus(); return; }
  form.submit();
}
//-->