function setIframeHeight(iframeName) {

	  var iframeWin = window.frames[iframeName];
	  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
	  if ( iframeEl && iframeWin ) {
	    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
	    if (docHt) iframeEl.style.height = docHt + 30 + "px";
	  }
	}