这个例子里iframe一直和窗口一样大.
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title></title>
<script type="text/javascript">
function resizeFrame()
{
document.all("f1").width = document.body.clientWidth;
document.all("f1").height = document.body.clientHeight;
}
window.onresize = resizeFrame;
window.onload = resizeFrame;
</script>
</head>
<body style="margin:0 0 0 0;">
<iframe src="" id="f1" style="margin:0 0 0 0;"></iframe>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title></title>
<script type="text/javascript">
function resizeFrame()
{
document.all("f1").width = document.body.clientWidth;
document.all("f1").height = document.body.clientHeight;
}
window.onresize = resizeFrame;
window.onload = resizeFrame;
</script>
</head>
<body style="margin:0 0 0 0;">
<iframe src="" id="f1" style="margin:0 0 0 0;"></iframe>
</body>
</html>
iframe.height = document.body.offsetHeight;