// JavaScript Document
<!--
function calcHeight(){
var the_height= document.getElementById('iframename').contentWindow.document.body.scrollHeight+22; //hier einfach 22HE dazu und es passt ;)
  document.getElementById('iframename').height=the_height;
}

function iFrameHeight(n,id) {
var h = 0;
if ( !document.all ) {
// this one seems now finally to work on any browser !
// tested with firefox, IE 7 (see below), opera, chrome and Windows Safari
h = document.getElementById(id).contentDocument.body.offsetHeight;
document.getElementById(id).style.height = h + 0 + 'px';
} else if( document.all ) {
// the IE way
h = document.frames(n).document.body.scrollHeight;
document.getElementById(id).style.height = h + 0 + 'px';
}
}
//-->// JavaScript Document
<!--
function calcHeight(){
var the_height= document.getElementById('iframename').contentWindow.document.body.scrollHeight+22; //hier einfach 22HE dazu und es passt ;)
  document.getElementById('iframename').height=the_height;
}
//-->