diff --git a/lib/client/edit.js b/lib/client/edit.js
index 2780cd60..5438078f 100644
--- a/lib/client/edit.js
+++ b/lib/client/edit.js
@@ -6,6 +6,7 @@ var CloudCmd, Util, DOM, JsDiff, ace;
         
     function EditProto(CloudCmd, Util, DOM){
         var Name        = 'Edit',
+            DIR         =  CloudCmd.LIBDIRCLIENT + 'edit/',
             Value,
             Edit        = this,
             Ace,
@@ -35,7 +36,9 @@ var CloudCmd, Util, DOM, JsDiff, ace;
         };
         
         this.show                       = function(pValue) {
-            var lMode, lSession;
+            var lName       = DOM.getCurrentName(),
+                lExt        = Util.getExtension(lName),
+                lUseWorker  = Util.strCmp(lExt, ['.js', '.json']);
             
             Images.showLoad();
             
@@ -50,36 +53,12 @@ var CloudCmd, Util, DOM, JsDiff, ace;
                         'position: absolute;',
                     not_append : true
                 });
-                
-                Ace         = ace.edit(Element);
-                lSession    = Ace.getSession();
-                
-                Ace.setTheme('ace/theme/tomorrow_night_blue');
-                lSession.setMode('ace/mode/javascript');
-                Ace.setShowPrintMargin(false);
-                Ace.setShowInvisibles(true);
-                lSession.setUseSoftTabs(true);
-                
-                Ace.commands.addCommand({
-                    name    : 'hide',
-                    bindKey : { win: 'Esc',  mac: 'Esc' },
-                    exec    : function () {
-                        Edit.hide();
-                    }
-                });
-                
-                Ace.commands.addCommand({
-                    name    : 'save',
-                    bindKey : { win: 'Ctrl-S',  mac: 'Command-S' },
-                    exec    : function (pEditor) {
-                        var lPath       = DOM.getCurrentPath(),
-                            lValue      = Ace.getValue();
-                        
-                        DOM.RESTfull.save(lPath,  lValue);
-                    }
-                });
+              
+              initAce();
             }
             
+            Ace.session.setOption('useWorker', lUseWorker);
+            
             if ( Util.isString(pValue) ) {
                 Ace.setValue(pValue);
                 CloudCmd.View.show(Element, focus);
@@ -111,15 +90,44 @@ var CloudCmd, Util, DOM, JsDiff, ace;
             Ace.moveCursorTo(0, 0);
         }
         
+        function initAce() {
+            var lSession;
+            
+            Ace         = ace.edit(Element);
+            lSession    = Ace.getSession();
+            
+            Ace.setTheme('ace/theme/tomorrow_night_blue');
+            lSession.setMode('ace/mode/javascript');
+            Ace.setShowPrintMargin(false);
+            Ace.setShowInvisibles(true);
+            lSession.setUseSoftTabs(true);
+            
+            Ace.commands.addCommand({
+                name    : 'hide',
+                bindKey : { win: 'Esc',  mac: 'Esc' },
+                exec    : function () {
+                    Edit.hide();
+                }
+            });
+            
+            Ace.commands.addCommand({
+                name    : 'save',
+                bindKey : { win: 'Ctrl-S',  mac: 'Command-S' },
+                exec    : function (pEditor) {
+                    var lPath       = DOM.getCurrentPath(),
+                        lValue      = Ace.getValue();
+                    
+                    DOM.RESTfull.save(lPath,  lValue);
+                }
+            });
+        }
+        
         function load(pCallBack){
             Util.time(Name + ' load');
             
-            var lDir    =  CloudCmd.LIBDIRCLIENT + 'edit/',
-                
-                lFiles  = [
-                    lDir + 'mode-javascript.js',
-                    lDir + 'worker-javascript.js',
-                    lDir + 'ace.js',
+            var lFiles  = [
+                    DIR + 'theme-tomorrow_night_blue.js',
+                    DIR + 'ace.js',
                 ];
             
             DOM.anyLoadOnLoad(lFiles, function(){