[Admin]

Here it comes:
(This hack also contains this mod by JJR512)

In online.php find

PHP Code:

        if ($WOLresolve) {
          $userinfo[$key][ipaddress1] = @gethostbyaddr($user[host]);
        } else {
          $userinfo[$key][ipaddress2] = $user[host];
        } 


And replace with

PHP Code:

        if ($WOLresolve) {
          $userinfo[$key][ipaddress1] = @gethostbyaddr($user[host]);
          $userinfo[$key][ipaddress2] = $user[host];
          $userinfo[$key][browser] = $HTTP_USER_AGENT;
        } 


Find

PHP Code:

      if ($WOLresolve) {
        $guests[$count][ipaddress1] = @gethostbyaddr($user[host]);
      } else {
        $guests[$count][ipaddress2] = $user[host];
      } 


And replace with

PHP Code:

      if ($WOLresolve) {
        $guests[$count][ipaddress1] = @gethostbyaddr($user[host]);
        $guests[$count][ipaddress2] = $user[host];
        $guests[$count][browser] = $HTTP_USER_AGENT;
      } 


Make sure that on the admin control panel the option for resolving IPs is on!

On the template whosonlinebit_ip put

PHP Code:

<td bgcolor="$backcolor" align="left"><smallfont>$userinfo[ipaddress1]<br>$userinfo[ipaddress2]<br>$userinfo[browser]</smallfont></td> 


And you're done!