/*
* jGFeed 1.0 - Google Feed API abstraction plugin for jQuery
*
* Copyright (c) 2009 jQuery HowTo
*
* Licensed under the GPL license:
*   http://www.gnu.org/licenses/gpl.html
*
* URL:
*   http://jquery-howto.blogspot.com
*
* Author URL:
*   http://me.boo.uz
*
*/
(function ($) {
	$.extend({
		jGFeed: function (url, fnk, num, key) {
			// Make sure url to get is defined
			if (url == null) return false;
			// Build Google Feed API URL
			var gurl = "https://ajax.googleapis.com/ajax/services/feed/load?v=1.0&callback=?&q=" + url;
			if (num != null) gurl += "&num=" + num;
			if (key != null) gurl += "&key=" + key;

			// AJAX request the API
			return $.getJSON(gurl, function (data) {
				if (typeof fnk == 'function') {
					if (data.responseStatus.toString() == '400') {
						fnk.call(this, null);
					}
					if (data.responseData != null) {
						fnk.call(this, data.responseData.feed);
					}
					else {
						fnk.call(this, null);
					}
				}
				else
					return false;
			});
		}
	});
})(jQuery);