function disableSubmit2() {
  if($('#submit_btn').length!=0)
    $('#submit_btn').hide();
  if($('#submit2_btn').length!=0)
    $('#submit2_btn').hide();
  if($('#cancel_btn').length!=0)
    $('#cancel_btn').hide();
  if($('#submit_info')!=null)
    $('#submit_info').show();
}