{source}
<!-- You can place html anywhere within the source tags -->


<script language="javascript" type="text/javascript">
// You can place JavaScript like this

</script>
<?php
// You can place PHP like this

?><iframe width="560" height="300" src="//www.youtube.com/embed/au5VoySWdWQ?feature=player_detailpage" frameborder="0" allowfullscreen></iframe>
{/source}