function ucfirst(string) {
    var f = string.substr(0, 1);
    f = f.toUpperCase();
    return f + string.substr(1);
}

$json = function(url, callback, type) {
    if (typeof type == "undefined") {
        type = "jsonp";
    }
    if (type == "jsonp" && url.indexOf("callback")<0) {
        if (url.indexOf("?")) {
            url += "&";
        } else {
            url += "?";
        }
        url += "callback=?";
    }
    $.getJSON(url, callback);
}