(function($){
  $.extend({
    jGFeed : function(url, fnk, num, key){
      if(url == null) return false;
      var gurl = "http://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
      $.getJSON(gurl, function(data){
        if(typeof fnk == 'function')
		  fnk.call(this, data.responseData.feed);
		else
		  return false;
      });
    }
  });
})(jQuery);