i have some issues with my pagination results in plain php when i apply filter on search

engnr_ahmad

hey
i am ahmad working on a problem i am soo tires so plz help me anybody..

engnr_ahmad

i have a serach bar when i search something in it ..it shows results with pagination and it works but when i apply filter on the search 1st page is good but it shows -1 results in 2nd page plz help i am sending seach file and filter file what should i do.
check it live3

http://pilot.jocation.com/institution_list.php
check it.