永远都会带着框架
〈script language="javascript"〉〈!--
if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
// --〉〈/script〉

防止被人frame
〈SCRIPT LANGUAGE=javascript〉〈!--
if (top.location != self.location)top.location=self.location;
// --〉〈/SCRIPT〉