Put in order pages according to user's choice

I would like to put in order pages that They have already been predefine order in a main page that define the order what the pages will show it in a PDF File.

I am trying to set parameters in the XML label Report Name main page according to user's choice... but I don't get it!

Can anybody help me?

Thank you very much!

[334 byte] By [LuisSpain] at [2007-12-17]