function checkVehicleDetails(a)
{
  msg = "";
  /*
  if ( ! $("input[name='modified']:checked").val() )
  {
    msg += "Please indicate if your vehicle has been modified\n";
  }
  */
  if ( $("select[name='type']").val() == "" )
  {
    msg += "Please indicate your vehicle type\n";
  }
  if ( msg.length > 0 ) 
  {
    alert (msg);
    return false;
  }
  return true;
}