DisplayURI("chrome:
nsTimeBomb::CheckWithUI(PRBool *expired){    if (!mPrefs) return NS_ERROR_NULL_POINTER;    *expired = PR_FALSE;    PRBool val;    nsresult rv = GetEnabled(&val);    if (NS_FAILED(rv) && !val)    {        // was not set or not enabled.          // no problems.  just return okay.        return NS_OK;    }    rv = GetExpired(&val);        if (NS_SUCCEEDED(rv) && val)    {        printf("********  Expired version  ********\n");        DisplayURI("chrome://timebomb/content/expireText.xul", PR_TRUE);        *expired = PR_TRUE;        return NS_OK;    }    rv = GetWarned(&val);        if (NS_SUCCEEDED(rv) && val)    {        printf("********  ABOUT TO EXPIRE  ********\n");        DisplayURI("chrome://timebomb/content/warnText.xul", PR_TRUE);    }    return NS_OK;    }