Module pool:Screen from Scrolling or Jumping to Initial Position

Hi Group,

I have adeded 4 check boxes in a sub screen  ,out of 4 check boxed in 2 check boxes I m using Function codes, when user clicking these 2 check boxes screen jumping/scrolling to initial screen ,when I removes Function code it works fine, can any body suggest.

I checked the below link but the work around not working:

http://scn.sap.com/community/abap/blog/2014/02/25/stop-module-pool-screen-from-scrolling-or-jumping-to-initial-position