Uploading PO in SRM 7 EHP2 from flat file

Hi Experts,

I need to upload all the open POs from my SRM 5.0 system to SRM 7 EHP2 system.

Is there any SAP provided standard program to download POs from SRM 5.0 in a flat file?

Is there any SAP provided standard program to upload POs from flat file to SRM 7 ehp2?

If yes please share the details.

I also read about uploading and downloading of purchasing document in the following link:

http://help.sap.com/saphelp_srm702/helpdata/EN/45/f725350ce02312e10000000a11466f/content.htm

However not too sure whether i can use this feature to fulfill my requirement.Any thoughts around this?

Regards,

Ashish