this.getPopup = function(n, i) {         var r = $.Deferred(), e = t, f = t[n], u;         return isNull(f) ? $.get(i, function(t) {             e[n] = t;             var i = $(t);             $("#main-container").prepend(i);             r.resolve(i)         }).fail(function() {             console.log("getting popup error");             r.reject()         }) : (u = $(f),         $("#main-container").prepend(u),         r.resolve(u)),         r     }     ;