Jeff C

A PowerPoint link is quite different a email link. Although a email
heperlink can work in webpage but never autorun for  a PowerPoint file.
If you have uoploaded a powerpoint file and have created a link to it
on your webpage, people still have to download the file and view the
file with PowerPoint or PowerPoint viewer. If they have neither of
them, they fail to play the powerpoint presentation.

If you  would like to insert  a power point slideshow file in the way
that it runs when a button is clicked or runs automatically when one
hit the
web site, you should consider converting a powerpoint file to flash.
Actually, this pratice becomes popular for people really want to show
their powerpoint on their webpage directly.
Flash is compatible with any web browser and it can be player inside  a
web browser.

To convert a powerpoint file to flash, you need a powerpoint to flash
converter like PPT2Flash Standard at
http://www.sameshow.com/powerpoint-to-flash.html
You can also have a look at other similar tools at
http://www.sameshow.com