function setIframeHeight(iframeName) {
  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
  if (iframeEl) {
    iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous
    //var docHt = getDocHeight(iframeWin.document);
    // need to add to height to be sure it will all show
    var h = alertSize();
    //window.alert( 'Height = ' + h );
    var new_h = (h-135);
    iframeEl.style.height = new_h + "px";
  }
}

function alertSize() {
  var myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
	//Non-IE
	myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
	//IE 6+ in 'standards compliant mode'
	myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	//IE 4 compatible
	myHeight = document.body.clientHeight;
  }
  return myHeight;
}