整改措施、整改清单公示

<?php
function check_intranet()
{
    $clientIP=$_SERVER['REMOTE_ADDR'];
        if(ip2long($clientIP)==ip2long('202.206.32.6'))
            return FALSE;
    if(
       (ip2long($clientIP)>=ip2long('10.0.0.1')&&ip2long($clientIP)<=ip2long('10.255.255.255'))                                                                                           ||(ip2long($clientIP)>=ip2long('192.168.0.1')&&ip2long($clientIP)<=ip2long('192.168.255.255'))
       ||(ip2long($clientIP)>=ip2long('172.16.0.1')&&ip2long($clientIP)<=ip2long('172.16.255.255'))
       ||(ip2long($clientIP)>=ip2long('202.206.32.1')&&ip2long($clientIP)<=ip2long('202.206.47.254'))                                                                            
       )                                                                    
    return TRUE;
    else
    return FALSE;
}
   
  echo'<h3 class="service">整改措施、整改清单公示</h3>';
  echo '<table style="width:648px:" border="0" cellspacing="10" cellpadding="10">
  <tbody>
   <tr>';
   echo' <td width="80" ><a target="_blank" href="http://zsdw.stdu.edu.cn">直属党委</a></td>';
    if(check_intranet())
      echo'<td width="97" ><a target="_blank" href="http://info.stdu.edu.cn/">体育部</a></td>';
else
       echo'<td width="125" ><a target="_blank" href="#" title="该网站仅限校园网访问">体育部</a></td>';
echo'</tr>
      </tbody>
      </table>'; ?>