Redux Single Selection

<?php
if ($authority['header-style'] == '1') {
    include (TEMPLATEPATH . '/functions/header-one.php');
} elseif ($authority['header-style'] == '2') {
    include (TEMPLATEPATH . '/functions/header-two.php');
}  elseif ($authority['header-style'] == '3') {
    include (TEMPLATEPATH . '/functions/header-three.php');
} else {
    echo "a is smaller than b";
}
?>