Paste this into the head of a Freeway page to call out from that page to an iframe enclosing it, to adjust that iframe to fit the height of the current page.

function.html

<script type="text/javascript">
  window.addEventListener('load', function(evt){
    var box = document.getElementById('PageDiv'), h;
    if (box.hasOwnProperty(outerHeight)){ // old IE
      h = box.outerHeight;
    }else{
      var style = document.defaultView.getComputedStyle(box, '');
      h = style.getPropertyValue("height");
    }
    if(top.resize_iframe) top.resize_iframe( parseInt(h, 10) );
  });
</script>