{source}
<!-- You can place html anywhere within the source tags -->
<iframe src="https://www.google.com/calendar/embed?showTitle=0&amp;showCalendars=0&amp;height=700&amp;wkst=2&amp;bgcolor=%23ffffff&amp;src=dimoskalamatas%40gmail.com&amp;color=%23060D5E&amp;ctz=Europe%2FAthens" style=" border-width:0 " width="100%" height="700" frameborder="0" scrolling="no"></iframe>

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

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

?>
{/source}