var zaehler = 0;

    function NewPage(PageName)
    {
      document.location = PageName;
      return false;
    }

    function start(PageName)
    {
        setInterval("go('" + PageName + "')",1000);
    }

    function go(PageName)
    {
        zaehler++;
        if (zaehler == 10)
        {
            NewPage(PageName)
        }
    }