<!--
function validateForm() {   //v2.0
  var form = document.lookup

  if (form.hiodate1.value == "" &&
      form.hiodate2.value == "" &&
      form.course_name.value == "" &&
      form.course_city.value == "" &&
      form.firstname.value == "" &&
      form.lastname.value == "" ) {
        alert("Please enter at least one thing to search for.")
        form.hiodate1.focus()
        return false
  }

  return true
}
//-->