Help with infusion.php

<?php
/*-------------------------------------------------------+
| PHPFusion Content Management System
| Copyright © 2002 - 2011 Nick Jones
| http://www.php-fusion.co.uk/
+--------------------------------------------------------+
| Filename: infusion.php
| Author: Nick Jones
| Developers: Ankur Thakur
| Site: http://ankurthakur.in/
+--------------------------------------------------------+
| This program is released as free software under the
| Affero GPL license. You can redistribute it and/or
| modify it under the terms of this license which you
| can read by viewing the included agpl.txt or online
| at www.gnu.org/licenses/agpl.html. Removal of this
| copyright header is strictly prohibited without
| written permission from the original author(s).
+--------------------------------------------------------*/
if (!defined("IN_FUSION")) { die("Access Denied"); }

// Defining Database File
include INFUSIONS."my_infusion_panel/infusion_db.php";

// Loading Locale Files
if (file_exists(INFUSIONS."my_infusion_panel/locale/".$settings['locale'].".php")) {
   include INFUSIONS."my_infusion_panel/locale/".$settings['locale'].".php";
} else {
   include INFUSIONS."my_infusion_panel/locale/English.php";
}

// Infusion general information
$inf_title = $locale['ds_title'];
$inf_description = $locale['ds_desc'];
$inf_version = "1.0";
$inf_developer = "Ankur Thakur";
$inf_email = "thakurboyz2007@gmail.com";
$inf_weburl = "http://ankurthakur.in";

// Defining the name of folder of my infusion
$inf_folder = "my_infusion_panel";

// Creating a table
$inf_newtable[1] = DB_DEV_ADDONS_SITES." (
site_id SMALLINT(5) UNSIGNED NOT NULL AUTO_INCREMENT,
site_title VARCHAR(100) NOT NULL DEFAULT '',
site_url VARCHAR(200) NOT NULL DEFAULT '',
PRIMARY KEY (site_id)
) ENGINE=MyISAM;";

// Creating an other table
$inf_newtable[2] = DB_DEV_MYADDONS." (
addon_id SMALLINT(5) UNSIGNED NOT NULL AUTO_INCREMENT,
addon_name TEXT NOT NULL DEFAULT '',
addon_type TINYINT(1) UNSIGNED NOT NULL DEFAULT '0',
addon_version VARCHAR(10) NOT NULL DEFAULT '',
addon_thumb TEXT NOT NULL DEFAULT '',
addon_screenshot TEXT NOT NULL DEFAULT '',
addon_desc TEXT NOT NULL DEFAULT '',
addon_link TEXT NOT NULL DEFAULT '',
addon_datestamp INT(10) UNSIGNED NOT NULL DEFAULT '0',
PRIMARY KEY (addon_id)
) ENGINE=MyISAM;";

// Inserting Rows into existing tables if required
$inf_insertdbrow[1] = DB_DEV_ADDONS_SITES." (site_id, site_title, site_url) VALUES('0', 'Ankur Thakur E-Stand', 'http://ankurthakur.in/infusions/my_infusion_panel/addons.xml')";
$inf_insertdbrow[2] = DB_SETTINGS_INF." (settings_name, settings_value, settings_inf) VALUES('showcasefilename', 'addons', '".$inf_folder."')";
$inf_insertdbrow[3] = DB_SETTINGS_INF." (settings_name, settings_value, settings_inf) VALUES('showcasedevname', 'My Addons', '".$inf_folder."')";

// These rows will be dropped when Defused
$inf_deldbrow[1] = DB_SETTINGS_INF." WHERE settings_inf='".$inf_folder."'";

// These tables will be dropped when Defused
$inf_droptable[1] = DB_DEV_ADDONS_SITES;
$inf_droptable[2] = DB_DEV_MYADDONS;

// Adding Links for Infusion in Admin Panel
$inf_adminpanel[1] = array(
   "title" => $locale['ds_title'],
   "image" => "my_infusion_panel.png",
   "panel" => "my_infusion_panel_admin.php",
   "rights" => "DS"
);

// Adding Extra Links for other file of Infusion in Admin Panel
$inf_adminpanel[2] = array(
   "title" => $locale['ms_title'],
   "image" => "my_infusion_panel.png",
   "panel" => "anyother_file_admin.php",
   "rights" => "MS"
);

?>