wordpress redirect to a deleted page

hello mates,
l was thinking to add a chat system into my wordpress site.
l registered a free java application page and inserted the javascipt code that l got from that site to my wordpress page.
than l said to view page and couldnt get any result. after l didnt see any result, l deleted the page.
but after some time l realised my home page redirects to that deleted wordpress page.
and l cant solve the problem now.
what should l do ???
l cant access to phpmyadmin to solve the problem fromo d atabase….

my website is haberler – http://tarafsizhaberler.com/

thanks for any advice….