
 request_part_page_{page}_top_col_1
   |
 +-+-----------------+
 | resource_exists   |
 | in_docs_top_col_1 |
 +-+-----------------+
   |
   |   +------------------+
   +---+load_page_resource|
       ++-----------------+ 
        |
        +--select_parameter
        |    |
        |    +--generate_XSP_page 
        |    +--generate_default_page
        +--serialze_xml
   +----+
   |
 response_part_page_{page}_top_col_1

