//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() 
{
	if (document.getElementById)
		resizeIframe("mainframe");
	if ((document.all || document.getElementById) && iframehide=="no")
	{
		var tempobj=document.all? document.all["mainframe"] : document.getElementById("mainframe");
		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 = 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;