$animal='placeholder="Animal"';
$name='placeholder="Name"';

echo form_open('site/check_in');
echo form_open('site/check_in_pay');

echo '<fieldset>Name';
echo form_input('name','',$name);
echo form_input('animal','', $animal);

echo form_submit('submit','Check-In !');
echo form_submit('submit','Check-In and pay !');
echo '</fieldset>';