diff --git a/src/node/hooks/express/socketio.js b/src/node/hooks/express/socketio.js
index 546ba2af..c2b9ff6c 100644
--- a/src/node/hooks/express/socketio.js
+++ b/src/node/hooks/express/socketio.js
@@ -36,13 +36,10 @@ exports.expressCreateServer = function (hook_name, args, cb) {
     });
   });
 
-  // the following has been successfully tested with the following browsers 
-  // works also behind reverse proxy
-  // Firefox 14.0.1
-  // IE8 with Native XMLHTTP support
-  // IE8 without Native XMLHTTP support
-  // Chrome 21.0.1180.79
-  io.set('transports', ['jsonp-polling']);
+  // there shouldn#t be a browser that isn't compatible to all 
+  // transports in this list at once
+  // e.g. XHR is disabled in IE by default, so in IE it should use jsonp-polling
+  io.set('transports', ['xhr-polling', 'jsonp-polling', 'htmlfile']);
 
   var socketIOLogger = log4js.getLogger("socket.io");
   io.set('logger', {
diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index 661ea011..b3bc91a9 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -333,14 +333,6 @@ function Ace2Inner(){
     return colorutils.triple2css(color);
   }
 
-  function doAlert(str)
-  {
-    scheduler.setTimeout(function()
-    {
-      alert(str);
-    }, 0);
-  }
-
   editorInfo.ace_getRep = function()
   {
     return rep;
@@ -1624,7 +1616,7 @@ function Ace2Inner(){
 
         if (linesWrapped > 0)
         {
-          doAlert("Editor warning: " + linesWrapped + " long line" + (linesWrapped == 1 ? " was" : "s were") + " hard-wrapped into " + ccData.numLinesAfter + " lines.");
+          // console.log("Editor warning: " + linesWrapped + " long line" + (linesWrapped == 1 ? " was" : "s were") + " hard-wrapped into " + ccData.numLinesAfter + " lines.");
         }
 
         if (ss[0] >= 0) selStart = [ss[0] + a + netNumLinesChangeSoFar, ss[1]];