document.writeln("<iframe name=\"Iframe1\" height=\"90\" width=\"728\" src=\"http:\/\/www.book1234.com\/adbaidu\/adqianru.htm?4\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" border=\"0\" frameborder=\"0\">您的浏览器不支持嵌入式框架，或者当前配置为不显示嵌入式框架。<\/iframe>");