function resizeIframe(ifid){
  var ifr = document.getElementById(ifid);
  var ifrBody = ifr.contentWindow.document[getDocBody(ifr.contentWindow)];
  
  ifr.style.height = ifrBody.scrollHeight + "px";
  
  if (ifrBody.scrollHeight == 0) {
      ifr.style.height = 325 + "px";
  }
  
  //alert("ifr is >>>>" + ifr.style.height);
  
}

function getDocBody(win){
  if (!win) win=window;
  if (win.document.compatMode && win.document.compatMode != 'BackCompat') { //standards compliant mode 
    return "documentElement";
  }
  return "body";
}