function setIframeHeight(divid) {
	var iframeName = "interest-frame";
  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, divid);
    
    // need to add to height to be sure it will all show
    if (docHt) iframeEl.style.height = docHt + "px";  
  }
}

function getDocHeight(doc, divid) {
  var docHt = 0, sh, oh;
  if (doc.getElementById(divid).offsetHeight){
   docHt = doc.getElementById(divid).offsetHeight;
  }
  else if (doc.body) {   
    if (doc.body.scrollHeight){
    
     docHt = sh = doc.body.scrollHeight;
    } 
    if (doc.body.offsetHeight){
    
     docHt = oh = doc.body.offsetHeight;
    } 
    if (sh && oh){
    
     docHt = Math.max(sh, oh);
    }
  }   
  return docHt;
}