(function()
        {
            $.fn.QRCode = function(url, options)
            {
                var settings =
                {
                    width: 200,
                    height: 200
                };

                if (options) { $.extend(settings, options); }
               
                this.each(function()
                {
                    $(this).append("<img src='https://chart.googleapis.com/chart?cht=qr&chs=" +
                        settings.width + "x" + settings.height + "&chl=" + escape(url) + "' alt='QR Code' />");
                });
            }
        })(jQuery);