if(!isset($obj->{'s5_4-1'})) {
	$obj->{'s5_4-1'} = 0;
}
if(!isset($obj->{'s5_4-2'})) {
	$obj->{'s5_4-2'} = 0;
}
if(!isset($obj->{'s5_4-3'})) {
	$obj->{'s5_4-3'} = 0;
}
if(!isset($obj->{'s5_4-4'})) {
	$obj->{'s5_4-4'} = 0;
}