Search Functionality in MasterPage

I wnt a search functionality within my masterpage so that i can access all input text to extract the result data to the result page..but the problem is that i when i am there in the result page and input another text into the search text the query did not fire

Does not work

Refer this link

http://stackoverflow.com/questions/12004810/findcontrol-in-masterpage-first-click-generates-empty-string


Hope it will help.