JS soundtrack write AJAX objects

 1 var AJAX = {
 2     get: function(url, data, callback) {
 3         var query = "";
 4         for (var i in data) {
 5             query += i + "=" + data + "&";
 6         }
 7         query = query.slice(0, -1);
 8         var xhr = null;
 9         if (window.XMLHttpRequest) {
10             xhr = window.XMLHttpRequest();
11         } else if(window.ActiveXObject) {
 12              xhr = window.ActiveXObject ( "Micorsoft.XMLHTTP" );
 13          } the else {
 14              Alert ( "Your browser does not support AXAJ, please upgrade" )
 15          }
 16          xhr.onreadystatechange = function () {
 . 17              IF (xhr.readyState ===. 4 ) {
 18 is                  var obj = the JSON.parse (xhr.responseText);
 . 19                  the callback (obj);
 20 is              }
 21 is          }
 22 is          "?" xhr.open ( "GET", URL + Query +, to true );
23         xhr.send();
24     },
25     post:function() {
26         var query = "";
27         for (var i in data) {
28             query += i + "=" + data + "&";
29         }
30         query = query.slice(0, -1);
31         var xhr = null;
32         if (window.XMLHttpRequest) {
33             xhr = window.XMLHttpRequest();
34         } else if(window.ActiveXObject) {
 35              XHR = window.ActiveXObject ( "Micorsoft.XMLHTTP" );
 36          } the else {
 37 [              Alert ( "Your browser does not support AXAJ, upgrade" )
 38 is          }
 39          xhr.onreadystatechange = function () {
 40              IF (xhr.readyState ===. 4 ) {
 41 is                  var obj = the JSON.parse (xhr.responseText);
 42 is                  the callback (obj);
 43 is              }
 44 is          }
 45          xhr.open ( "POST", URL, to true );
 46         xhr.setRequestHeader("content-type", "application/x-www-form-urlencoded;charset=utf-8")
47         xhr.send(query);
48     }
49 }