Commands to be commented out

<iframe width="200px" height="315px" src="https://www.youtube.com/embed/P8VcZzgdfSc" frameborder="0" allowfullscreen></iframe>

youtube movie

local movie

<script language="javascript"> if (!!(window.safari)) { document.write("

The above movie will not play in Safari - use Chrome, Firefox, or Opera.

")} </script>