document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=47&id=48854\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 浅谈水质改良剂对池塘养殖水体浮游生物的影响文档下载.doc </a></div></Center>");