loading thingy

src/scripts/search.tag

@@ -31,10 +31,15 @@
   </div>
 </search>
 
+var showedHelp = false;
+
 function showHelp() {
+  if (!showedHelp) {
+    showedHelp = true;
     this.opts.showHelp = true;
     this.update();
   }
+}
 
 function clearHelp() {
   this.opts.showHelp = false;