HTML/CSS/Object Attributes/dynsrc
"dynsrc" specifies the URL of a video clip
<source lang="html4strict">
<HTML> <BODY> <img start="mouseover" dynsrc="yourvideoclip.avi" alt=""> </BODY> </HTML>
</source>
<source lang="html4strict">
<HTML> <BODY> <img start="mouseover" dynsrc="yourvideoclip.avi" alt=""> </BODY> </HTML>
</source>