iPhoneStyle Checkbox

<br/><?php $metabox->the_field('nofollow'); ?>
<input type="checkbox" class="on_off" name="<?php $metabox->the_name(); ?>" value="1"<?php if ($metabox->get_the_value()) echo ' checked="checked"'; ?>/> Use <code>nofollow</code>

<script type="text/javascript" charset="utf-8">
    $(window).load(function() {
        $('.on_off').iphoneStyle();
    });
</script>