InfoPath Dev

Hi all, I have published infopath form in form libary, using that template so many formlibrary document has been created. I have created another site collection there i have published another new infopath form in form library. I want to move or copy all the created infopath from old site collection to new site collection where the old form will be able to continue their functionality along with new form(including all old secondary data connection)...how can i do this...pls help me somebody..your help is always appreciated.

Use the explorer view found on the ribbon (2010) and just copy all of the files locally. Then, upload them using the upload multiple documents option. Finally, make sure you relink all documents using the Documents->Relink view.