Fix chat messages not working for anonymous users

www/assets/js/functions.js

@@ -131,6 +131,7 @@ function addUserDropdown(entry, name) {
 
 function formatChatMessage(data) {
     var div = $("<div/>");
+    if(uname) {
         if(data.msg.toUpperCase().indexOf(uname.toUpperCase()) != -1) {
             div.addClass("nick-highlight");
             if(!FOCUSED) {
@@ -142,6 +143,7 @@ function formatChatMessage(data) {
                 }, 1000);
             }
         }
+    }
     if(data.msgclass == "action") {
         var message = $("<span/>")
             .addClass("action")