iframe 高度自适应

<iframe id="InputDetail" src style="width:100%"></iframe>
<script>//iframe高度自适应，方法
function reinitIframe(thisIframe)
{
    var iframe = document.getElementById(thisIframe);
    try
    {
        var bHeight = iframe.contentWindow.document.body.scrollHeight;
        var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
        var height = Math.max(bHeight, dHeight);
        iframe.height = height;
        //console.log(height);
    }
    catch (ex)
        {}
}
window.setInterval("reinitIframe('InputDetail')", 200);
</script>