COMPLEX SECTION IN SMARTFORM

hi gurus,

in the following link creating smart form,

the author says to right click on main window and select complex section.

http://smoschid.tripod.com/How_to_do_things_in_SAP/How_To_Build_SMARTFORMS/How_To_Build_SMARTFORMS.html

but in my system , when i right click on main window and click on create i see only till folder option,

i dont have complex section in my system,

do i need to enable anything..

rgds.