你的源码好简单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"><html xmlns="
http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><frameset rows="76,373" cols="*"> <frame src="2.html" /> <frameset rows="*" cols="173,963"> <frame src="1.html" /> <frame src="3.html" id="l" /> </frameset></frameset><noframes><body></body></noframes></html>