/***********************************************
* IFrame SSI script II- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
* Visit DynamicDrive.com for hundreds of original DHTML scripts
* This notice must stay intact for legal use
***********************************************/

//Input the IDs of the IFRAMES you wish to dynamically resize to match its content height:
//Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none:
var iframeids=["surveyIframe"]

//Should script hide iframe from browsers that don't support this script (non IE5+/NS6+ browsers. Recommended):
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])
    }
    //reveal iframe for lower end browsers? (see var above):
    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";
    //alert("currentfr.Document " + currentfr.Document);
    if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) { //ns6 syntax
      currentfr.height = currentfr.contentDocument.body.offsetHeight + FFextraHeight;
      currentfr.className = "show";
    }
    else if(currentfr.Document && currentfr.Document.body) {
    	//alert("body" + currentfr.Document.body);
      if(currentfr.Document.body.scrollHeight && currentfr.Document.body.innerHTML.length > 0) { //ie5+ syntax
        //alert("innerHTML: " + currentfr.Document.body.innerHTML);
        currentfr.height = currentfr.Document.body.scrollHeight;
        currentfr.className = "show";
    	}
    }
    else {
      setTimeout('resizeCaller()',500);
    }
    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.detachEvent("onload", resizeCaller);
  window.attachEvent("onload", resizeCaller);
}
else
  window.onload=resizeCaller;