Search:

You need to make the video to a website friendly format like swf or flv.
I assume you have some mp4 video in hand, try this tool - mp4 to flv
i have used it quite a bit

AppGeeker video converter is what I use.
http://www.ilikemall.com/how-to/convert-flv-to-mov-mac.html
It supports converting any typle of video to common video format.