/* Google jquery CDN 
 <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script> */
   
            $.ajax(
            {
                type: "POST",
                contentType: "application/json; charset=utf-8",
                url: "services/FeedService.svc/ServiceMethod",
                data: '{"param1":"data1" , "param2":"data2"}',
                dataType: "json",
                success: function (data) {SuccessCallback(data); },
                error: ErrorCallback
            });