You can use the free iRedLite application to do that:
<http://www.filewell.com/iRedLite/>
Here are some other alternatives:
Sofa Control <http://www.caseapps.com/sofacontrol.html>
Remote Buddy <http://www.iospirit.com/>
On 2/17/07 6:47 PM, in article
1171759677.744465.133050@k78g2000cwa.googlegroups.com, "zeesar@gmail.com"
> Hello, is there any chance that the apple remote, that is included in
> the new computers, will work with power point. It will really cool if
> it was possible. Any thoughts will be appreciated!

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Mickey Stevens (Microsoft MVP for Office:mac)
Office & Mac Resources: <http://home.earthlink.net/~mickey.stevens/>