codice:
<!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=utf-8" />
<title>Frames</title>
</head>
<frameset rows="102*,283*" cols="*" framespacing="0"" frameborder="NO" border="0">
<frame src="1.htm" name="topFrame" id="topFrame" title="topFrame" />
<frameset rows="*" cols="134,624">
<frame src="2.htm" name="mainFrame" id="mainFrame" title="mainFrame" />
<frameset rows="244,36" cols="*">
<frame src="3.htm" />
<frame src="4.htm" />
</frameset>
</frameset>
</frameset>
<noframes>
<body>
Il tuo browser non supporta la struttura a frames</p>
</body>
</noframes>
</html>
Naturalmente c'è da modificare il nome delle pagine la dimensione dei frames e la dimensione del bordo
Ciao