//curl = "http://www.math.harvard.edu/~ddumas/bear/images/index.html";
curl = location.href;

urlparts = curl.split("~");
baseurl = urlparts[0] + "~" + urlparts[1].split("/")[0];
path = urlparts[1].substring(urlparts[1].indexOf("/")+1).split('index.htm')[0];
if (path[path.length-1] == '/') {
	path = path.substr(0,path.length-1)
}

navdict = { '/bear' : ['Bers slices', '/slices/'],
	    '/bear/images' : ['Images', '/bear/images/'],
	    '/bear/anims' : ['Animations', '/bear/anims/'],
	    '/bear/3d' : ['3D', '/bear/3d/'],
	    '/personal' : ['Personal', '/personal/'],
	    '/photos' : ['Personal', '/personal/'],
	    '/slices_old.html' : ['Bers slices', '/slices.html'],
            '/gallery' : ['Gallery', '/gallery/']
	     };

function navlink(key) {
	if (navdict[key]) {
		document.write("<a href=\"" + baseurl + navdict[key][1] + "\">" + navdict[key][0] + "</a>");
		document.write("&lt;");
	}
}

document.write("<div class=\"nav\">Up: ");

while (path.lastIndexOf("/") > 0) {
//	document.write("(" + path + ")<br>");
	path = path.substr(0,path.lastIndexOf("/"));
	navlink('/'+path);
}

document.write("<a href=\""+baseurl+"/\">David Dumas</a>");
document.write("</div>");