loading thingy

src/scripts/search.tag

@@ -16,16 +16,21 @@
         </div>
     </div>
   </form>
+  <div if={ booksLoading } class="loading">
+  </div>
 </search>
 function submit(ev) {
     console.log("submitted");
+    console.log(this);
     this.opts.booksLoading = true;
     this.update();
     var params = $(ev.currentTarget).serialize();
     $.getJSON("/search/fc?"+params,
-        function(courses) {
+        (function(courses) {
             var fcourses = filterCourses(courses);
             var cgroups = groupsof(3, fcourses);
             results_passer.trigger("new_results", cgroups);
-    });
+            this.opts.booksLoading = false;
+            this.update();
+    }).bind(this));
 }