function resizeFrame(iframeObj){
var innerBody = iframeObj.contentWindow.document.body;
var innerHeight = innerBody.scrollHeight + (innerBody.offsetHeight - innerBody.clientHeight);
var innerWidth = innerBody.scrollWidth + (innerBody.offsetWidth - innerBody.clientWidth);
iframeObj.style.height = innerHeight;
iframeObj.style.width = innerWidth;
}
</script>
<iframe width="100%" name="iframe1" frameborder="0" scrolling="no" onload="resizeFrame(this)" src="<?=$doc?>" onLoad="resizeIFrame();"></iframe>
