Hi all I run a chat server which is known as Paper IRC so there is a code which is not shown by the server i don;t really know whats wrong with the server that only this page is not shown

<?php

/*-------------------------------*/
/*					   */
/* PaperIRC phpBB Chatroom Addon */
/*     Created by: Frappe051     */
/* Browser Detect Script (c) GCC */
/*					   */
/*-------------------------------*/

////////////////////////////////////////////////////
// phpBB Info ------------------------------------//
// No need to change...                           //

define('IN_PHPBB', true); 
include('extension.inc'); 
include('common.php'); 
include('config.php'); 
$userdata = session_pagestart($user_ip, PAGE_INDEX); 
init_userprefs($userdata); 
if($userdata['session_logged_in']) 
{
$username = $userdata[username];
} else {
$username = "Guest_1";
$userrole = "PROFILMODE0";
}

////////////////////////////////////////////////////
// Chat Control Options --------------------------//
// This stuff most likely will need to be changed //

$width = "100%";				// Width of the Chat Control
$height = "500";				// Height of the Chat Control
$roomname = "TheLobby"; 		// Room you would like all your users to connect to
$server = "217.164.28.22";  		// IP/Host for PaperIRC
$category = "GN";				// Category your room is located in
$locale = "EN-US";      		// Language settings
$profile = "";				// Still a piece of work (anybody know?)
$creation = "";				// Creation Modes
$forecolor = "";				// Forecolor for chat control
$feature = "";				// Feature (?)
$backhighlightcolor = "15585725";	// Background Highlight Color
$backcolor = "16707303";		// Background Color
$buttontextcolor = "16579836";	// Button Text Color
$buttonbackcolor = "12481836";	// Button Background Color
$buttonframecolor = "13619151";	// Button Frame Color
$inputbordercolor = "12290082";	// Input Border Color
$topbackhighlightcolor = "12481836";// Top Background Highlight Color
$baseurl = "";				// Base URL of your site
$urlback = "";				// URL To previous page
$chathome = "";				// Chat Home Page (phpBB index probably)
$chatmode = "";				// Chat Room Modes
$chanlanguage = "";			// Channel Language (For IE's code)

$motd = "Welcome to the Chat Network!  Important: We do not control or endorse the content, messages or information found in chat. We specifically disclaim any liability with regard to these areas. To review the Chat guidelines, go to http://yoursitehere.com/chat/terms.php.";
$auditmsg = "<B>Note: </B>We have detected you are connecting from the IP of: <B>%1</B>";

/////////////////////
// Get Basic Theme //

include($phpbb_root_path . 'includes/page_header.'.$phpEx);

////////////////////
// Detect Browser //

if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') )
{
if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Netscape') )
{
$browsers = 'Gecko';
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') )
{
$browsers = 'Gecko';
}
else
{
$browsers = 'Gecko';
}
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') )
{
if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') )
{
$browsers = 'MSIECompatible';
}
else
{
$browsers = 'MSIECompatible';
}
}
else
{
$browsers = 'Other';
}

///////////////////////
//  Start Chat Code  //

////////////////////////
//  Mozilla/Netscape  //

if ($browsers == "Gecko") {
echo "
<center><A href=\"#\" onclick=\"window.open('./chat_options.php', '_blank', 'toolbar=0, location=0, directories=0, status=0,menubar=0, scrollbars=1, resizable=1, height=630,width=630'); void('');\">Chat Room Options</A></center>
<br />
<EMBED type=\"application/x-nppgwrap\"
CONTROLCLASSID=\"F58E1CEF-A068-4c15-BA5E-587CAF3EE8C6\"
NPCODEBASE=\"http://deabphpbb.43i.net/MsnChat40en-us.cab#Version=9,02,0310,2401"
CONTROLCODEBASE=\"http://deabphpbb.43i.net/MsnChat40en-us.cab#Version=9,02,0310,2401"
CONTROLNAME=\"MSNChat\"
WIDTH=$width HEIGHT=$height
RoomName=\"$roomname\"
Nickname=\"$username\"
Category=\"$category\"
Locale=\"$locale\"
MSNPROFILE=\"$profile\"
Server=\"$server\"
UserRole=\"$userrole\"
CreationModes=\"$creation\"
ForeColor=\"$forecolor\"
Feature=\"$feature\"
BackHighlightColor=\"$backhighlightcolor\"
BackColor=\"$backcolor\"
ButtonTextColor=\"$buttontextcolor\"
ButtonBackColor=\"$buttonbackcolor\"
ButtonFrameColor=\"$buttonframecolor\"
InputBorderColor=\"$inputbordercolor\"
TopBackHighlightColor=\"$topbackhighlightcolor\"
BaseURL=\"$baseurl\"
URLBack=\"$urlback\"
ChatHome=\"$chathome\"
ChatMode=\"$chatmode\"
// Topic=\"\"
// WelcomeMsg=\"\"
ResDLL=\"\"
MessageOfTheDay=\"$motd\"
AuditMessage=\"$auditmsg\">
";
}

///////////////////////
// Internet Explorer //

if ($browsers == "MSIECompatible") {
echo
"
<center><A href=\"#\" onclick=\"window.open('./chat_options.php', '_blank', 'toolbar=0, location=0, directories=0, status=0,menubar=0, scrollbars=1, resizable=1, height=630,width=630'); void('');\">Chat Room Options</A></center>
<br />
<object width=\"$width\" height=\"$height\" classid=\"CLSID:F58E1CEF-A068-4c15-BA5E-587CAF3EE8C6\" CODEBASE=\"http://mob4u.no-ip.info/msnchat45.cab#Version=9,02,0310,2401\" align=\"middle\" id=\"MSNChat\">
<PARAM NAME=\"RoomName\" VALUE=\"$roomname\">
<PARAM NAME=\"NickName\" VALUE=\"$username\">
<PARAM NAME=\"MSNPROFILE\" VALUE=\"$profile\">
<param name=\"Category\" value=\"$category\">
<param name=\"Server\" value=\"$server\">
<param name=\"BaseURL\" value=\"$baseurl\">
<param name=\"Market\" value=\"phpBB User\">
<param name=\"ChatMode\" value=\"$chatmode\">
<param name=\"Feature\" value=\"$feature\">
// <param name=\"Topic\" value=\"\">
// <param name=\"WelcomeMsg\" value=\"\">
<param name=\"ChannelLanguage\" value=\"$chanlanguage\">
<param name=\"PassportTicket\" value=\"\">
<param name=\"PassportProfile\" value=\"\">
<PARAM NAME=\"UserRole\" VALUE=\"$userrole\">
<param name=\"AuditMessage\" value=\"$auditmsg\">
<param name=\"MessageOfTheDay\" value=\"$motd\">
<param name=\"Locale\" value =\"$locale\">
<param name=\"BackColor\" VALUE=\"$backcolor\">
<param name=\"ButtonBackColor\" value=\"$buttonbackcolor\">
<param name=\"ButtonTextColor\" value=\"$buttontextcolor\">
<param name=\"TopBackHighlightColor\" value=\"$tophighlightcolor\">
<param name=\"BackHighlightColor\" value=\"$backhighlightcolor\">
<param name=\"ForeColor\" value=\"$forecolor\">
<param name=\"InputBorderColor\" value=\"$inputbordercolor\">
<param name=\"ButtonFrameColor\" value=\"$buttonframecolor\">
<param name=\"CreationModes\" value=\"$creation\">
<param name=\"ResDLL\" value=\"http://mob4u.no-ip.info/msnchat45.cab#Version=9,02,0310,2401\#Version=9,02,0310,2401">
</object>
";
}

////////////////////////
//  And, We're Done!  //

?>
I don;t know why its not working It Shows blank Page :S any idea or anyone who could help me, all my other php pages are displayed only this is getting problem