SkyBox To Spherical Map Conversion Tool?

Is there a tool that will convert the six images of a sky box into a spherical environment map?

Regards,

Rogue Vector

http://www.unwrap3d.com/downloads/smgv10.zip

On the Unwrap3D website.

Maybe here:

http://www.unwrap3d.com/downloads.html

Free tools > SphereMap Generator

Thanks.

Rogue Vector