1.html
<html>
<head>
<title> new document </title>
</head>
<body>
1.html
</body>
</html>
2.html
<html
<head>
<title> new document </title>
</head>
<body>
2.html
</body>
</html>
3.html
<head>
<title> new document </title>
</head>
<body>
3.html
</body>
</html>
4.html
<html>
<head>
<title></title>
<script>
var cnt = 3;
var ary = new Array();
function fncOnload()
{
ary[0] = './1.html';
ary[1] = './2.html';
ary[2] = './3.html';
fncDisp();
}
function fncDisp()
{
rPage.location.href = ary[(cnt%3)];
cnt++;
setTimeout(fncDisp,5000);
}
</script>
</head>
<body onload='javascript:fncOnload();'>
<iframe name='rPage' src='./1.html'></iframe>
</body>
</html>