diff --git a/lib/ace/ace.js b/lib/ace/ace.js
index a2261355..d7da2fb7 100644
--- a/lib/ace/ace.js
+++ b/lib/ace/ace.js
@@ -46,12 +46,12 @@ var Editor = require("./editor").Editor;
 var EditSession = require("./edit_session").EditSession;
 var UndoManager = require("./undomanager").UndoManager;
 var Renderer = require("./virtual_renderer").VirtualRenderer;
-var MultiSelect = require("./multi_select").MultiSelect;
 
 // The following require()s are for inclusion in the built ace file
 require("./worker/worker_client");
 require("./keyboard/hash_handler");
 require("./placeholder");
+require("./multi_select");
 require("./mode/folding/fold_mode");
 require("./theme/textmate");
 require("./ext/error_marker");
@@ -74,7 +74,7 @@ exports.require = require;
 exports.edit = function(el) {
     if (typeof(el) == "string") {
         var _id = el;
-        var el = document.getElementById(_id);
+        el = document.getElementById(_id);
         if (!el)
             throw new Error("ace.edit can't find div #" + _id);
     }
@@ -86,7 +86,6 @@ exports.edit = function(el) {
     el.innerHTML = '';
 
     var editor = new Editor(new Renderer(el));
-    new MultiSelect(editor);
     editor.setSession(doc);
 
     var env = {
diff --git a/lib/ace/theme/ambiance.css b/lib/ace/theme/ambiance.css
index c2ac69cf..9f9f7afa 100644
--- a/lib/ace/theme/ambiance.css
+++ b/lib/ace/theme/ambiance.css
@@ -16,6 +16,10 @@
   background: repeat left top;
 }
 
+.ace-ambiance .ace_gutter-active-line {
+  background-color: #3F3F3F;
+}
+
 .ace-ambiance .ace_fold-widget {
   text-align: center;
 }
diff --git a/lib/ace/theme/dreamweaver.css b/lib/ace/theme/dreamweaver.css
index 6709498c..84865a1c 100644
--- a/lib/ace/theme/dreamweaver.css
+++ b/lib/ace/theme/dreamweaver.css
@@ -130,6 +130,10 @@
   background: rgba(0, 0, 0, 0.07);
 }
 
+.ace-dreamweaver .ace_gutter-active-line {
+  background-color : #DCDCDC;
+}
+
 .ace-dreamweaver .ace_marker-layer .ace_selected-word {
   background: rgb(250, 250, 255);
   border: 1px solid rgb(200, 200, 250);
diff --git a/lib/ace/theme/eclipse.css b/lib/ace/theme/eclipse.css
index 6615db3a..c83d07a3 100644
--- a/lib/ace/theme/eclipse.css
+++ b/lib/ace/theme/eclipse.css
@@ -96,10 +96,14 @@
   background: rgb(255, 255, 0);
 }
 
-.ace-eclipse .ace_marker-layer .ace_active-line {
+.ace-eclipse .ace_active-line {
   background: rgb(232, 242, 254);
 }
 
+.ace-eclipse .ace_gutter-active-line {
+  background-color : #DADADA;
+}
+
 .ace-eclipse .ace_marker-layer .ace_selected-word {
   border: 1px solid rgb(181, 213, 255);
 }