 sure startpage does not get loaded more than once. This solution is cookie
        // based. This execCommand was clearing all cookies in the scenario when a user logged on from a child window during an
        // FBA timeout. We do not want that to happen anymore. If this breaks anything, we may need to consider a different solution.
        //
        // Old Comments:
        // If the "Clear the Authentication Cache" flag is set to true and
        // we are coming from the logoff page , clear the cache