Good question, I don't think either of the vbs script will able to do that.
you can try explore the aspnet_regiis.exe ...
also more info on .net2.0 side by side
http://blogs.msdn.com/david.wang/archive/2005/11/07/HOWTO_Install_and_Run_ASP_Net_20_Side_by_Side.aspx
--
Regards,
Bernard Cheah
http://www.iis-resources.com/
http://www.iiswebcastseries.com/
http://msmvps.com/blogs/bernard/
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