jQuery helper for REST apis using the _method override option

jquery_rest_helper.js

// Example usage
// api.put('/people', {name: 'John'}, function(response) { console.log(response); });

var api = {
	url : "http://api.example.com",
	get : function(url, data, callback) {
		$.getJSON(api.url + url, data, callback);
	},
	post : function(url, data, callback) {
		data._method = 'POST';
		$.getJSON(api.url + url, data, callback);
	},
	put : function(url, data, callback) {
		data._method = 'PUT';
		$.getJSON(api.url + url, data, callback);
	},
	del : function(url, data, callback) {
		data._method = 'DELETE';
		$.getJSON(api.url + url, data, callback);
	}
};