function clearForm()
{
  document.getElementsByName('NameTextbox')[0].value = ''; 
  document.getElementsByName('EmailTextbox')[0].value = ''; 
  document.getElementsByName('PhoneTextbox')[0].value = ''; 
  document.getElementsByName('RideDateTextbox')[0].value = ''; 
  document.getElementsByName('RideTimeTextbox')[0].value = ''; 
  document.getElementsByName('CabNumberTextbox')[0].value = ''; 
  document.getElementsByName('NoteTextbox')[0].value = ''; 
}