Titanium HTTP Client attempt

// Result File HTTP Client
function resultHTTPClient() {
  var result_client = Titanium.Network.createHTTPClient();
  result_client.open("POST", _hostname + "/endpoint");
  var auth = "Basic " + Ext.util.base64.encode(_username + ":" + _password);
  result_client.setRequestHeader("Authorization", auth);
  result_client.setRequestHeader("Accept", "application/xml");

  result_client.onreadystatechange = function() {
    if (this.readyState == 4) {
      var response = $(result_client.responseXML);
      var locator = response.find("locator");
      if (result_client.status == 202) {
	var record = result_data_store.getById(locator);
	record.set('status', 'YES!');
	record.commit();
	grid.view.refresh();
      } else if (result_client.status == "412") {
	var record = result_data_store.getById(locator);
	record.set('status', 'NO!');
	record.commit();
	grid.view.refresh();
      } else {
	alert("DOH");
      }
    }
  }  
  return result_client;
}

//  And this is called like so:
function uploadResultFile() {
  result_data_store.each(function(record) {
     var payload = postBodyFromRecord(record);
     resultHTTPClient().send(payload);
  });
}