function updateURL( URL, Name) {

    if (typeof history.pushState == 'function' ) {
        var stateObj = { foo: "bar" };
        history.pushState( stateObj, "Obsidian - " + Name, URL);
    }
}

$("document").ready(function() {
    $(".folder").click(function() {
        $("#loading").show();
        title = encodeURI($(this).children(".title").children("a").attr("href"));
        Name = $(this).children(".title").children("a").html();
        $("body").load(title, function( response, status, xhr ) {
            if ( status == "error" ) {
              var msg = "Sorry but there was an error: ";
              $( "#error" ).html( msg + xhr.status + " " + xhr.statusText );
            }});
        updateURL(title, Name);
    });

    $(".thumb").click(function() {
        title = encodeURI($(this).children("a").attr("href"));
        $("#lightbox").html('<img src="' + title + '">');
        $("#viewer").fadeIn();
        return false;
    });

    $("#container").click(function() {
        $("#viewer").fadeOut();
    });

    $(".loading").hide();
});