how i rewrite red area to activate if user is login to community?
<?
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Settings section
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*=-=[ Guest XML-file, containing login-button ]=-=*/
$guest_xml = '
<TOOLBAR>
<BUTTON caption="Login" id="tb_btn_login" img="53" href="
http://www.mysite.com/...ttp://www.google.com" command="redirect"/>
<SEPARATOR/>
</TOOLBAR>';
/*=-=[ Member XML-file, containing all after-login elements ]=-=*/
$member_xml = '
<TOOLBAR>
<BANNER name="MessageRollingArea" url="
http://www.mysite/tcripts/usermessage.php" width="150" id="tb_bnr_message"/>
<SEPARATOR/>
<BUTTON caption="Logout" id="tb_btn_logout" img="53" href="
http://www.mysite.com/d/toolbar/login.php?logout" command="redirect"/>
<SEPARATOR/>
</TOOLBAR>';
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Send XML to the toolbar
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
header("Cache-control: private");
/*header("Content-type: text/plain");*/
header("Content-Disposition: ; filename=tb_member.xml"); /*=-=[ Try to read cookies for SID and start session ]=-=*/
if (isset ($HTTP_COOKIE_VARS['SID'])) session_id ($HTTP_COOKIE_VARS['SID']);
session_start(); /*=-=[ Is it member? ]=-=*/
if (session_is_registered('Advanced_uid') && session_is_registered('Advanced_id') &&
session_is_registered('Advanced_email') && session_is_registered('Advanced_name') &&
session_is_registered('Advanced_company') && session_is_registered('SID')) print ($member_xml);
/*=-=[ Or it guest? ]=-=*/
else print ($guest_xml);
?>