jquery - JQGrid Multiple Search Options Blank -

so i'm trying implement multiple search feature on site in jqgrid , box appears fine non of drop downs populate there no search options , fields have drop down options no appear either. know why might doing this? have picture below of looks like. thanks

http://i287.photobucket.com/albums/ll122/pcguy5239/untitled.png

also in case need here code call advanced search

$("#list").jqgrid("searchgrid", {multiplesearch: true, multiplegroup: true, sopt:['eq','ne','cn','bw','bn']}); 

check url: http://www.trirand.com/blog/?page_id=393/help/operator-edit-in-search-dialog-is-empty-resolved/

seems have not update localization scripts, format changed on version 4.5.2.