// Get the page info from hidden fields:
        String whichPage = req.getParameter ("page");
        String userName = req.getParameter("username");
        Vector<String> prods = new Vector();


        // First extract session info.
        SessionInfo session = (SessionInfo) table.get(userName);

        // Check if inactive session.
        if (session != null) {
            long minutesSince = (System.currentTimeMillis() - session.startTime) / (1000*60);
            prods = session.sessionProds;
        }
        else {
            // Make session.
            session = new SessionInfo ();
            session.pageCount = 0;
            session.startTime = System.currentTimeMillis ();
            session.sessionProds = prods;
        }

        // Determine action based on which page fired the request and
        // handle in appropriate method.
        if (whichPage.equalsIgnoreCase ("homepagelogin")) {
            String passWord = req.getParameter("password");
            handleLoginPage(out, userName, passWord);
        }