public function _list() {
			$data=array();
			$category = isset($_GET['category']) ? $_GET['category'] : '開戶文件';
			$where_category = "`document`.`category`=:category";
			$data[':category']=$category;
			$sql = "SELECT `document`.*
					FROM `document`
					WHERE ({$where_category})
				";
			$rowPerPage = isset($_GET['_rowPerPage']) ? $_GET['_rowPerPage'] : 10;
			$pageNo = isset($_GET['_pageNo']) ? $_GET['_pageNo'] : 0;
			$arrOrderBy = isset($_GET['_orderBy']) ? $_GET['_orderBy'] : array('`document`.`ord` ASC');
			$pager = $this->db->queryFetchPage( $sql, $pageNo, $rowPerPage, $arrOrderBy, $data );
		//	list data
			$smarty = $this->createSmarty();
			$smarty->assign( 'pager', $pager );
			$smarty->assign( 'category', $category );
			$smarty->assign( 'maxOrd', JTDocument::getMaxOrd('document',array('category'=>$category)) );
			$smarty->display( dirname(__FILE__).'/list.tpl.htm' );
		}