Installation of the Organisation Modification:

0. Create a backup of sources and database
1. Adjust database
Access the database with phpmyadmin or similar tool.
execute the following queries on the mantis database :
ALTER TABLE mantis_user_table ADD org_id INT( 11)NOT NULL DEFAULT'1' ;
CREATE TABLE mantis_org_table (id INT NOT NULL AUTO_INCREMENT ,orgname VARCHAR(35)NOT NULL ,orgdesc TEXT NOT NULL , PRIMARY KEY (id) ) ; 
2. Adjust various sources
Copy php-scripts from the core directory to the core dirrectory of Mantis itself
Copy php-scripts from theroot to the root of mantis itself
3. add contents of config_inc.txt to config_inc.php in the root of Mantis.
4. add the contents of custom_strings_inc.txt (All after "<?PHP" ) to custom_strings_inc.php in the root of Mantis.
If this file does not exist, simply rename custom_strings_inc.txt to custom_strings_inc.php and copy it to the root of Mantis.
5. add the contents of custom_constant_inc.txt (All after "<?PHP" ) to custom_constant_inc.php in the root of Mantis.
If this file does not exist, simply rename custom_constant_inc.txt to custom_constant_inc.php and copy it to the root of Mantis.

** 4)in case you need dutch text, use the contents of nl_custon_strings_inc.txt

Configuration:
The variable $g_note_org_threshold holds the level needed to add notes to another Organization.
Default value is ADMINISTRATOR, other options are:
VIEWER
REPORTER
DEVELOPER
MANAGER

Function:
The optioin to add notes is only available if the user
- belongs to the same organization as the reporter of the issue concerning 
- has the right level ( note_org_threshold).

Maintenance of organisations is done via the manage menu.
While maintaining users, a organization must be added to the definitions
 
// Changed scripts
// All changes documented with "//CN"
bugnote_add_inc.php
bug_view_inc.php
manage_user_create_page.php
manage_user_create.php
manage_user_edit_page.php
manage_user_update.php
manage_user_page.php
core/html_api.php	function print_manage_menu
core/user_api.php	function user_create	

// New scripts (located in root of installation of Mantis)
manage_org_page.php
org_edit.php
org_update.php
org_api.php