How to call new window and text element without changing print program

Hi Friends,

I have requirement like this . i have a standard print prog and custom form. i want add 2 to 3 extra windows in the form and i have to print some data. but how can v do this with out changing the print program. i know that to pick new fields through subroutines. but how can v call new windows and new text elements with out changing the print program.

usually in the print program we write as follows.

write_form

window = 'HEADER'

textelemtn = 'HEADER'

can we accomplish this one also through subroutines or any other way is there.

can any one pls suggest this.

Thanks in advance.

Rahul