1、main.html:
<html>
<head></head>
<frameset cols = "200,*">
<frame src = 'left.html'></frame>
<frameset rows = '200,*'>
<frame src = "top.html" name = ""></frame>
<frame src = "right.html" name = "gotoRight"></frame>
</frameset>
</frameset>
<body></body>
</html>
2、left.html:
<head>
<title>
left
</title>
</head>
<body>
<div>
<a href = "right.html" target = "gotoRight">right1</a>
</div>
<a href = "right2.html" target = "gotoRight">right2</a>
</body>
3、top.html
top
4、right.html
right1
5、right2.html
right2