anchor.diff:  
         // Event handlers
         // ==============
  -      $("textarea#message").keypress(function(e) {
  +      $("#message").keypress(function (e) {
           if(e.which == 13) {
             send_chat();
  +          return false;
  +        }
  +      });
  +
  +      $("#input_uname").keypress(function (e) {
  +        if (e.which == 13) {
  +          $btn_submit.click();
             return false;
           }
         });
  
positive.code:         $.blockUI({
            message: $overlay
          });
          
          $.gritter.add({
            title: "Error",
            text: message,
  
negative.code:       $chat = $("#chat");
        $editor = $("#editor");
        $img_load = $("#img-load").remove();
        $btn_submit = $("#btn_submit");
        //- $btn_join = $("#btn_join");
        //- $chat_load_msg = $("#chat_load_msg");
        $messages = $("#messages");
  