want to save the data from Titanium application to Parse.com (here i am using REST API)

i created one textfield and save button in my mobile application.I want to post as well as get the value of textfield into parse.com(REST API) where i created database for my application.
// here my code

$.btn.addEventListener('click',function(e){

 c = Titanium.Network.createHTTPClient();
c.setTimeout(25000);
c.onload = function(e) {
    Ti.API.info("onload");
    svar = JSON.parse(this.responseText);
    Ti.API.info(svar);
};

c.onerror = function(e) {
    Ti.API.info("on error");
    alert(e);

};

c.open('POST', 'https://api.parse.com/1classes/today');

c.setRequestHeader("X-Parse-Application-Id", "2SJS3enln5h2zTZuOauM9q1IuDItKcXqamx22wCv");
c.setRequestHeader("X-Parse-REST-API-Key", "N55dN0zZ6mYqj4kmQKRCLLFsYnzUl9NFXGU6Let3");

var params = {

name:$.t1.value

};

params = Ti.Network.encodeURIComponent(params);

c.send(JSON.stringify(params));

});