.
--------------------

       ,
   ೢ:

 1)      ,         .

 2)     ( ):
  
   
    |-------------------
    |
    |   - files.php
    |   - install.html
    |   - upgrade.html
    |
    |  -----------------
    |
    |   - teacher.html
    |   - module_files.txt
    | 
    |  -----------------
    |   
    |   - intro.html
    |   - features.html
    |   - release.html
    |
    |  -----------------
    |
    |   - developer.html
    |   - cvs.html
    |   - future.html
    |
    |  -----------------
    |   
    |   - license.html
    |   - credits.html
    |
    |-------------------
 
