User name in template properties

I want SW to insert the name of the creator of a file intothe properties automaticly, depending on who is logged on.

how can i do this?

PS!

I do not wish to use the Windows logon name, i wish to use the nameas below:

Name: Madz Larsen
Windows name: madzla
This is the way i want it: M.Larsen

Is this possible?

Im currently using SW2007 SP5



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