iframe 嵌入网页自动延伸高度保持嵌入网页高度

<div class="g-doc" style="margin-top:0px;">

<iframe id="c-c-iframe" name="xxx" src="dh.htm" frameBorder="0" width="100%" scrolling="no"></iframe>

</div>

<script type="text/javascript">

function reinitIframe(){

var iframe = document.getElementById("c-c-iframe");

try{

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

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

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

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

iframe.height = height;

}catch (ex){}

}

window.setInterval("reinitIframe()", 0);

</script>