document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=10&id=36217\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 谈加气混凝土砌块墙体裂缝的原因和防治措施文档下载.doc </a></div></Center>");