Resize Iframe

<script language="JavaScript">

function autoResize(id){

    var newheight;

    var newwidth;

    if(document.getElementById){

        newheight=document.getElementById(id).contentWindow.document .body.scrollHeight;

        newwidth=document.getElementById(id).contentWindow.document .body.scrollWidth;

    }

    document.getElementById(id).height= (newheight) + "px";

    document.getElementById(id).width= (newwidth) + "px";

}

</script>

<iframe src="https://thekrrish.weebly.com" width="100%" height="100%"  name="CHANGETHIS" id="CHANGETHIS" marginheight="0" frameborder="0" onLoad="autoResize('CHANGETHIS');"></iframe>