;(function(d){var cache={};d.publish=function(topic,args){cache[topic]&&d.each(cache[topic],function(){this.call(d,args||[]);});};d.subscribe=function(topic,callback){if(!cache[topic]){cache[topic]=[];}
cache[topic].push(callback);return[topic,callback];};d.unsubscribe=function(handle){var t=handle[0];cache[t]&&d.each(cache[t],function(idx){if(this==handle[1]){cache[t].splice(idx,1);}});};})(jQuery);