function addStyleSheet(href, media) {
	if (document.getElementsByTagName && document.createElement) {
		var head = document.getElementsByTagName("head")[0];
		if (!head || !head.appendChild) return false;

		var link = document.createElement("link");
		link.rel = "stylesheet";
		link.type = "text/css";
		if (media) link.media = media;
		link.href = href;
		link = head.appendChild(link);

		return true;
	}
	return false;
}

if (   document.getElementById
	&& document.getElementsByTagName
	&& document.createElement
	&& typeof document.getElementsByTagName("head")[0].innerHTML != "undefined"
	&& !(window.showModalDialog && navigator.userAgent.toLowerCase().indexOf("mac") > -1)){
	// disables the non-script stylesheet and replaces it with the scripted
	document.getElementById("pan_noscript").disabled = true;
	addStyleSheet("pan/pan_layout.css", "screen, tv");
}