I am the administrator of our club's website, and recently deleted a page in error.  After researching how to correct error in a new window, I went back to website to try correction.  It had timed-out, and sent me to login again.  When I try to login, nothing happens-no name/password boxes appear.  I tried to register using my admin name/password, but it says that it already exists.  I now cannot even get into the site.  I need help, please.

cannot sign in-clicking on login justs takes me to "home",   am checking with database.  I am the 'super' user, who made this error.

got logged in, but admin & host tabs do not highlight when mouse hovers them, so I can't get into various functions.  I am waiting for hosting site to restore via backup tape to a previous day; hopefully this will solve all issues.