iframe自适应高度

 

<iframe id="ifm" src="<%=PageURL %>" scrolling="no" frameborder="0" οnlοad="this.height=100"
        width="100%"></iframe>
    <script type="text/javascript">

        function reinitIframe() {

            var iframe = document.getElementById("ifm");

            try {

                var bHeight = iframe.contentWindow.document.body.scrollHeight;

                var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;

                var height = Math.max(bHeight, dHeight);

                iframe.height = height;

                document.getElementById("left").style.height = document.getElementById("ifm").height + "px";

            } catch (ex) { }
        }

        window.setInterval("reinitIframe()", 200);

    </script>