jQuery.fn.swap = function(b) {
    b = jQuery(b)[0];
    var a = this[0];
    var t = a.parentNode.insertBefore(document.createTextNode(''), a);
    b.parentNode.insertBefore(a, b);
    t.parentNode.insertBefore(b, t);
    t.parentNode.removeChild(t);
    return this;
};

(function($) {
    $.toJSON = function(o) {
        if (typeof (JSON) == 'object' && JSON.stringify)
            return JSON.stringify(o); var type = typeof (o); if (o === null)
            return "null"; if (type == "undefined")
            return undefined; if (type == "number" || type == "boolean")
            return o + ""; if (type == "string")
            return $.quoteString(o); if (type == 'object') {
            if (typeof o.toJSON == "function")
                return $.toJSON(o.toJSON()); if (o.constructor === Date) {
                var month = o.getUTCMonth() + 1; if (month < 10) month = '0' + month; var day = o.getUTCDate(); if (day < 10) day = '0' + day; var year = o.getUTCFullYear(); var hours = o.getUTCHours(); if (hours < 10) hours = '0' + hours; var minutes = o.getUTCMinutes(); if (minutes < 10) minutes = '0' + minutes; var seconds = o.getUTCSeconds(); if (seconds < 10) seconds = '0' + seconds; var milli = o.getUTCMilliseconds(); if (milli < 100) milli = '0' + milli; if (milli < 10) milli = '0' + milli; return '"' + year + '-' + month + '-' + day + 'T' +
hours + ':' + minutes + ':' + seconds + '.' + milli + 'Z"';
            }
            if (o.constructor === Array) {
                var ret = []; for (var i = 0; i < o.length; i++)
                    ret.push($.toJSON(o[i]) || "null"); return "[" + ret.join(",") + "]";
            }
            var pairs = []; for (var k in o) {
                var name; var type = typeof k; if (type == "number")
                    name = '"' + k + '"'; else if (type == "string")
                    name = $.quoteString(k); else
                    continue; if (typeof o[k] == "function")
                    continue; var val = $.toJSON(o[k]); pairs.push(name + ":" + val);
            }
            return "{" + pairs.join(", ") + "}";
        }
    }; $.evalJSON = function(src) {
        if (typeof (JSON) == 'object' && JSON.parse)
            return JSON.parse(src); return eval("(" + src + ")");
    }; $.secureEvalJSON = function(src) {
        if (typeof (JSON) == 'object' && JSON.parse)
            return JSON.parse(src); var filtered = src; filtered = filtered.replace(/\\["\\\/bfnrtu]/g, '@'); filtered = filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'); filtered = filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, ''); if (/^[\],:{}\s]*$/.test(filtered))
            return eval("(" + src + ")"); else
            throw new SyntaxError("Error parsing JSON, source is not valid.");
    }; $.quoteString = function(string) {
        if (string.match(_escapeable)) {
            return '"' + string.replace(_escapeable, function(a)
            { var c = _meta[a]; if (typeof c === 'string') return c; c = a.charCodeAt(); return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16); }) + '"';
        }
        return '"' + string + '"';
    }; var _escapeable = /["\\\x00-\x1f\x7f-\x9f]/g; var _meta = { '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"': '\\"', '\\': '\\\\' };
})(jQuery);