ipulate the ACL in a way, that the specified user has exactly read
       or write access. The standard access masks for win9x and winNT are used. If
       you want to have fancy access masks, please use the low level methods
       mentioned above.</p>
    <table width=100% cellpadding=0 border=0>
      <tr>
        <td bgcolor=#D8D8D8>
          <table width=100% cellpadding=10 border=0>
            <tr>
              <td bgcolor=#F8F0F0><img src='px.gif'></td>
              <td width=100% bgcolor=#F4F4F