How to Show ppt or PowerPoint presentation in Html without using Flash.

We use Google api to Show ppt..

<iframe src="http://docs.google.com/gview?url=www.cse.wustl.edu/~cdgill/courses/cs6785/Java_NIO.ppt&embedded=true" style="width:600px; height:500px;" frameborder="0">

<!--
 url=example.com/name.ppt  
You have to place  your url in case of "example.com/name.ppt  "
-->

</iframe>

It will Show as..