Sending Sms VIa JSON Not Acknowlege sucess mesage

hello guys i am sending sms via JSON
(first i did it by ajax but ajax does not support Cross domaon request so i had to do it with JSON
(the Ajax Code Run Only on Localhost but after deploying on server It wasnt running)
)
The Problem is that Ajax code was  returning me error or sucess code by which i  was showing Error sucess message
but  when i implement this  on JSON  ,it sens sms but  unable to get Status of sucess or failure
MY OLD AJAX CODE:
var req = new XMLHttpRequest();
         XMLHttpRequest = createRequestObject();
        function sendRequest2()
        {
         try
          {
            var   createdURL = &quo ...