browser_version = parseInt(navigator.appVersion);
browser_type = navigator.appName;

if (browser_type == "Microsoft Internet Explorer" && (browser_version >= 4)) {
	document.write("<link rel='stylesheet' href='" + wwwbase + "css/stylesheet.css' type='text/css'>");
} else {
	if (browser_type == "Netscape" && (browser_version >= 4)) {
		document.write("<link rel='stylesheet' href='" + wwwbase + "css/stylesheet_ns.css' type='text/css'>");
	}
}


function spawn_window(u,n,p) {
	var it=window.open(u,n,p);
}