HTML5 page with the three required video codecs - H.264, Theora and WebM

<video width="320" height="240" poster="images/golfswing1.jpg" controls>
<!-- HTML 5 browsers will play one of these -->
<source src="media/golfswing1.m4v" type="video/mp4" /> <!-- H.264 --></source>
<source src="media/golfswing1.mp4" type="video/mp4" /> <!-- H.264 --></source>
<source src="media/golfswing1.theora.ogg" type="video/ogg" /> <!-- Theora --></source>
<source src="media/golfswing1.webm" type="video/webm" /> <!-- WebM --></source>
</video>