 <head>
   <title>Test</title>
   <script type="text/javascript" src="jquery.min.js"></script>
   <script type="text/javascript" src="json2.js"></script>
   <script type="text/javascript">
     function post_it() {
      $.ajax
      ({
          type: "POST",
          //the url where you want to sent the userName and password to
          url: 'http://localhost:8080/set_employee/5',
          dataType: 'json',
          async: false,
          //json object to sent to the authentication url
          // d