Regarding reserving the items on which decison is not taken

hi i got a scenario where if there are several items are there for approval, if approver selects only few and takes decision, the rest of the items should be reseved for him so that he can take decision in future and the decision screen is a module pool one.so please help me in the issue.

Edited by: TEJA161 on May 18, 2011 8:57 AM