after form submit and use back button..form have values...need to remove

[eluser]dine[/eluser]
Hi

I need very urgent help from ur side

When i do search with some data. it redirect me to result-data page. but when I use browser back button on result page.... I get search form with same values prefilled


i am sorry for my english. but only what all i want to remove those fields values when I back to that page

thanks a lot