alue.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") {
				checked = checkbox.checked;
			}
			if(checked == true){
				total_size += size;
				total_page += page;
			}else{
				total_size -= size;
				total_page -= page;
			}

			var buttons_disabled = true;
			var file_too_big = true;
			if(total_size <= 52428800){
				file_too_big = false;
				if(total_size > 0){
					