// apTracker V4 function querystring(qs) { this.params = new Object(); this.get=querystring_get; if (qs == null) qs=location.search.substring(1,location.search.length); if (qs.length == 0) return; qs = qs.replace(/\+/g, ' '); var args = qs.split('&'); for (var i=0;i