Application Development Software

Hi Friends,
I am facing a very peculiar problem. When I open the oracle sso page by entering the URL "https://login.oracle.com/mysso/signon.jsp" in the browser address bar, I am getting the following error instead of user name/password entry fields. Is this associated with some privileges in my user id? How this can be resolved? Please help me. (tried all possible browsers like IE,FF,chrome with cache/cookies cleared) still no luck (:

The error is "Error! Do not use bookmarked URL.
Please type the URL you are trying to reach directly into your browser."

Thanks
Babu