base view of plain skin refactoring: new template scripts().
base_form view of plain skin refactoring.

jquery.replaceTagName plugin was moved into separate file.
base_form view of plain skin refactoring.

update_archiver_format() function was moved into separate file.
base view of plain skin script_onload() template refactoring.

New function: menu_onload(). Moved into separate file.
base_form view of plain skin refactoring.

update_archiver_format.js -> archiver.js.
base_form view of plain skin script_onload() template refactoring.

New function: archiver_onload(). Moved into separate file.