function highlight() {
	var UA=navigator.userAgent,w=window,h=document.location.pathname;
	var f,g=null;
	var m = /\/([a-z0-9]+)_([a-z0-9]+)\.(shtml|html|htm|aspx|php)/i.exec(h);
	if (m != null) {
		var i = m.length;
		var s = m[i-3];
		var p = m[i-2];
	}
	if (typeof s=="undefined"){
		var s = "home";
	}
	if (typeof p=="undefined"){
		var p = "index";
	}
	f=window.self.document.getElementById(s);
	if (f!=null)
	{
		f.id = 'current';
	}
	g=window.self.document.getElementById(p);
	if (g!=null)
	{
		g.id = 'cpage';
	}
}