How to get current temperature with jQuery and Global Weather web service

KyivTemperature.js

        var weather = $('#weather');
        var city = "Kyiv";
        var country = "Ukraine";
        var temp;
 
        $.ajax({
           type: "GET",
           url: "http://www.webservicex.net//globalweather.asmx/GetWeather?CityName=" + city + "&CountryName=" + country + "",
           dataType: "xml",
           success: function (xml) {                    

                    var t= new String (new XMLSerializer().serializeToString(xml.documentElement));
                    var begin =t.indexOf('F (');
                    var end =t.indexOf('C)');
                    t = t.substring(begin+3,end);
                                         
                    weather.html(t+'°C' );   
                   
        }
    });
// For local testing you'll need "Allow-Control-Allow-Origin: *" Chrome extension which can be obtained via Chrome Web Store
// https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi