Some 'Help' for Search help

Hi all! this time i need a simple thing. I have two parameters p_vblnr and p_chect.The firstone has a Search help that i did with se11 and the second one has a standard search help for chects. I want to create a search help for p_chect that only visualice the values related to p_vblnr parameter and <b>replace the standard search help for that field</b>.

Ej: if p_vblnr is '10021562' i want the search help to visualice the chects related to that vblnr.

is this possible??????

i promise rewards points for help!!!!

thank in advance!