function iframe_autoresize(iframe){
	try {
		var innerDoc = (iframe.contentDocument) ? iframe.contentDocument : iframe.contentWindow.document;
		if (innerDoc.body.offsetHeight) { //ns6 syntax
             iframe.height = innerDoc.body.offsetHeight + 32; //Extra height FireFox
        } else if (iframe.Document && iframe.Document.body.scrollHeight) { //ie5+ syntax
			iframe.height = iframe.Document.body.scrollHeight;
		}
	}
    
	catch(err) {
		alert(err.message);
    }
}