function odata(){
          this.getData = function (requestString, successFunction){
                  if (Titanium.Platform.name == 'android') {
              requestString = requestString.replace(/\s/g, '%20');
          }
                  
                  
              var xhr = Titanium.Network.createHTTPClient();
          xhr.onload = function () {
                  var response = JSON.parse(this.responseText);
              var result = response.d.results;
                     
                     // for some reason oData will return it both ways, in .d and .d.results
                          if (result == null) {
                                  result = response.d;
                          }
                          
                          var gotData = new Date();
              successFunction(result);
                  };
  
          xhr.onerror = function (e) {
                          Titanium.UI.createAlertDialog({ title: 'Error retrieving data', message: 'An error occurred retrieving data. Please try later.' }).show();
              Titanium.API.error(requestString);
          };
          
          xhr.open('GET', requestString);
          xhr.setRequestHeader('Accept', 'application/json');
              var send = new Date();
                          xhr.send();
                   };
  }