var iframeids = ["myframe"];
var iframehide = "yes";
var getFFVersion = navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1];
var FFextraHeight = parseFloat(getFFVersion) >= 0.1 ? 16 : 0; //extra height in px to add to iframe in FireFox 1.0+ browsers

function resizeCaller() {
  var dyniframe=new Array();

  for (i=0; i<iframeids.length; i++){
    if (document.getElementById)
      resizeIframe(iframeids[i]);
  
    if ((document.all || document.getElementById) && iframehide=="no"){
      var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i]);
      tempobj.style.display="block";
    }
  }
}

function resizeIframe(frameid){
  var currentfr = document.getElementById(frameid);

  if(currentfr && !window.opera) {
    currentfr.style.display = "block";    
    
    if(currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax
      currentfr.height = currentfr.contentDocument.body.offsetHeight + FFextraHeight; 
    else if (currentfr.document && currentfr.document.body.scrollHeight) { //ie5+ syntax
      currentfr.height = 0;
      currentfr.height = currentfr.document.body.scrollHeight;
    }
    
    if(currentfr.addEventListener)
      currentfr.addEventListener("load", readjustIframe, false);
    else if(currentfr.attachEvent){
      currentfr.detachEvent("onload", readjustIframe); // Bug fix line
      currentfr.attachEvent("onload", readjustIframe);
    }
  }
}

function readjustIframe(loadevt) {
  var crossevt = (window.event) ? event : loadevt;
  var iframeroot = (crossevt.currentTarget) ? crossevt.currentTarget : crossevt.srcElement;
  
  if(iframeroot)
    resizeIframe(iframeroot.id);
}

function loadintoIframe(iframeid, url){
  if(document.getElementById)
    document.getElementById(iframeid).src = url;
}

if(window.addEventListener)
  window.addEventListener("load", resizeCaller, false);
else if(window.attachEvent)
  window.attachEvent("onload", resizeCaller);
else
  window.onload=resizeCaller;