def init_context
@driver = driver
@control = page_option(:control)
@factory = page_option(:factory)
@src = nil
@document_list = nil
@doc_opt_list = nil
@document = nil
@doc_index = nil
@show_args_toggle = nil
@show_args_call_index = nil
@show_args_value_call_index = nil
@argument = nil
@arg_index = nil
@new_document_type_selected = nil
@modify_document_type_selected = Array.new
@modify_document_type_call_index = nil
@doc_edit_call_index = nil
@doc_up_call_index = nil
@doc_down_call_index = nil
@doc_delete_call_index = nil
@add_filter_type_selected = Array.new
@add_filter_type_call_index = nil
@add_filter_call_index = nil
end