ntById('total_page_counter');
			var total_size_display = document.getElementById('total_size_display');
			var total_page_display = document.getElementById('total_page_display');

			var total_size = parseInt(total_size_counter.value);
			var total_page = parseInt(total_page_counter.value);

			var info = checkbox.value.split('-');//dm_dls_id - file_size - page_size
			var size = parseInt(info[1]);
			var page = parseInt(info[2]);

			var checked = all_checked_value;
			if (checkbox.type == "checkbox") {
	