function clearForm() {
  document.the_form_name.First_Name.value = '';
  document.the_form_name.Last_Name.value = '';
  document.the_form_name.Middle_Initial.value = '';
  document.the_form_name.Street_Address1.value = '';
  document.the_form_name.Street_Address2.value = '';
  document.the_form_name.City.value = '';
  document.the_form_name.State.value = '';
  document.the_form_name.Zip_Code.value = '';
  document.the_form_name.Phone_Number.value = '';
  document.the_form_name.Fax_Number.value = '';
  document.the_form_name.Specialty.value = '';
  document.the_form_name.Email_Address.value = '';
  document.the_form_name.Fee.value = '';
}

function showRegistrationForm(current_day) {
  document.getElementById('conference_date__' + current_day).style.display = 'none';
  document.getElementById('registration_form').style.display = '';
}

function switchDay(current_day, next_day) {
  document.getElementById('conference_date__' + current_day).style.display = 'none';
  document.getElementById('conference_date__' + next_day).style.display = '';
}