       originLocationCode: 'HZ',
                destinationLocationCode: destinationLocation
            };


            var xmlhttp = new XMLHttpRequest();
            var url = "/cargo";
            xmlhttp.open("POST", url, true);
            xmlhttp.setRequestHeader("Content-type", "application/json;charset=UTF-8");
            xmlhttp.send(JSON.stringify(data));
            xmlhttp.onreadystatechange = function () {
                // && xmlhttp.status == 200
                if (xmlhttp.readyState ==