function resizeIframe(id){
	var newheight;
	if (navigator.appName != "Microsoft Internet Explorer" && !window.opera && !document.mimeType && document.all && document.getElementById){
		newheight=document.getElementById(id).contentWindow.document.body.offsetHeight;
	}else if(document.getElementById){
		newheight=document.getElementById(id).contentWindow.document.body.scrollHeight;
	}
	document.getElementById(id).style.height= (newheight + 16) + "px";
}