var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var FFextraHeight=getFFVersion>=0.1? 16 : 0 
function dyniframesize(iframename) {
  var pTar = null;
  if (document.getElementById){
    pTar = document.getElementById(iframename);
  }
  else{
    eval('pTar = ' + iframename + ';');
  }
  if (pTar && !window.opera){
    pTar.style.display="block"    
    if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){
      pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight; 
    }
    else if (pTar.Document && pTar.Document.body.scrollHeight){
      pTar.height = pTar.Document.body.scrollHeight;
    }
  }
}