rgarro

;(function($) {
    /*
     * jQuery Observer pattern 
     * inspired by @addyosmani 's code
     * see: http://addyosmani.com/resources/essentialjsdesignpatterns/book/#highlighter_506612
     */
    var topics = [];
    function getTopic(id) {
        var callbacks;
        topic = id && topics[id];