# at least 1 previous row. add a previous page link
set previous_start_idx [expr$start_idx - $max_entries_per_page]
if {$previous_start_idx < 0 }{ set previous_start_idx 0 }
set previous_page_html "<A href=$current_page_url?[export_url_vars conf_item_id]&$pass_through_vars_html&order_by=$order_by&conf_item_start_idx=$previous_start_idx><<</a>"
set previous_page_html "<A href=$current_page_url?[export_vars -url {conf_item_id}]&$pass_through_vars_html&order_by=$order_by&conf_item_start_idx=$previous_start_idx><<</a>"