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();
 		};
}