{source}<script>jQuery(document).ready(function($) {
$('#jform_name')
.parent()
.prepend('<label><input required type="radio" name="title" value="Madame"> Madame</label><label><input type="radio" required name="title" value="Monsieur"> Monsieur</label>');
$('.rst-form-section button').on('click', function() {
$('#jform_name').val($('[name="title"]').val() + ' ' + $('#jform_name').val());
});
});
</script>{/source}