diff --git a/client.js b/client.js
index 0b66ed2b..78441a3d 100644
--- a/client.js
+++ b/client.js
@@ -1166,7 +1166,7 @@ CloudClient._ajaxLoad = function(path, pNeedRefresh)
         
         /* ######################## */
         try{
-            $.ajax({
+            Util.ajax({
                 url: path,
                 error: Util.Images.showError,
                 
diff --git a/lib/client/editor.js b/lib/client/editor.js
index bfff9196..c3a1eaa0 100644
--- a/lib/client/editor.js
+++ b/lib/client/editor.js
@@ -3,6 +3,8 @@ var CloudCommander, CloudFunc, CodeMirror;
  * and later will be Ace
  */
  (function(){
+    "use strict";
+    
     var Util                            = CloudCommander.Util;
     
     CloudCommander.Editor               = {
@@ -87,7 +89,7 @@ var CloudCommander, CloudFunc, CodeMirror;
         var lThis = this;
         
         var initCodeMirror_f = function(pValue){
-            CodeMirror(lCloudEditor,{
+            new CodeMirror(lCloudEditor,{
                 mode        : 'javascript',
                 value       : pValue,
                 theme       : 'night',
@@ -138,7 +140,7 @@ var CloudCommander, CloudFunc, CodeMirror;
             400);
             
         /* reading data from current file */
-        $.ajax({
+        Util.ajax({
             url:lA,
              error: (function(jqXHR, textStatus, errorThrown){
                  lThis.loading             = false; 
diff --git a/lib/client/google_analytics.js b/lib/client/google_analytics.js
index ea7024f0..12c8b1cd 100644
--- a/lib/client/google_analytics.js
+++ b/lib/client/google_analytics.js
@@ -1,14 +1,21 @@
 var CloudCommander, _gaq;
 (function(){
+    "use strict";
+    
     /* setting google analitics tracking code */
     _gaq = [['_setAccount', 'UA-33536569-2'], ['_trackPageview']];
     
+    var lOnError_f = window.onerror;
     window.onerror = function(msg, url, line) {
         var preventErrorAlert = true;
         _gaq.push(['_trackEvent',
             'JS Error',
             msg,
             navigator.userAgent + ' -> ' + url + " : " + line]);
+            
+        if(typeof lOnError_f === 'function')
+            lOnError_f();
+        
         return preventErrorAlert;
     };
     
diff --git a/lib/client/ie.js b/lib/client/ie.js
index 25d4b80f..24b1b7b6 100644
--- a/lib/client/ie.js
+++ b/lib/client/ie.js
@@ -1,7 +1,9 @@
 /* script, fixes ie */
-var CloudCommander;
+var CloudCommander, $;
 
 (function(){
+    "use strict";
+    
     document.head = document.getElementsByTagName("head")[0];
     
     document.getElementsByClassName = function(pClassName){
@@ -13,7 +15,7 @@ var CloudCommander;
     
     /* setting function context (this) */
     lUtil.bind = function(pFunction, pContext){
-        return jQuery.proxy(pFunction, pContext);
+        return $.proxy(pFunction, pContext);
     };
         
     lUtil.getByClass = function(pClass, pElement){
diff --git a/lib/client/viewer.js b/lib/client/viewer.js
index 5214f3c4..6e28f9c0 100644
--- a/lib/client/viewer.js
+++ b/lib/client/viewer.js
@@ -22,7 +22,6 @@ var CloudCommander, CloudFunc, $;
      * different objects)
      */
     CloudCommander.Viewer.FancyBox.getConfig    = (function(){
-        var lThis = this;
         return{
             /* function do her work
              * before FauncyBox shows
@@ -105,7 +104,7 @@ var CloudCommander, CloudFunc, $;
         if (lLink.indexOf(CloudFunc.NOJS) === CloudFunc.FS.length)
             lLink = lLink.replace(CloudFunc.NOJS, '');
         
-        $.ajax({
+        Util.ajax({
             url     : lLink,
              error  : (function(jqXHR, textStatus, errorThrown){
                  lThis.loading             = false; 
diff --git a/lib/cloudfunc.js b/lib/cloudfunc.js
index 1c7b893f..b568742a 100644
--- a/lib/cloudfunc.js
+++ b/lib/cloudfunc.js
@@ -154,19 +154,19 @@ CloudFunc.getShortedSize = function(pSize){
     /* Константы размеров, что используются
      * внутри функции
      */    
-    var l1BMAX=1024;
-    var l1KBMAX=1048576;
-    var l1MBMAX=1073741824;
-    var l1GBMAX=1099511627776;
-    var l1TBMAX=1125899906842624;
+    var l1BMAX  = 1024;
+    var l1KBMAX = 1048576;
+    var l1MBMAX = 1073741824;
+    var l1GBMAX = 1099511627776;
+    var l1TBMAX = 1125899906842624;
     
     var lShorted;
     
-    if(pSize<l1BMAX)lShorted=pSize+'b';
-    else if(pSize<l1KBMAX)lShorted=(pSize/l1BMAX) .toFixed(2)+'kb';
-    else if(pSize<l1MBMAX)lShorted=(pSize/l1KBMAX).toFixed(2)+'mb';
-    else if(pSize<l1GBMAX)lShorted=(pSize/l1MBMAX).toFixed(2)+'gb';
-    else if(pSize<l1TBMAX)lShorted=(pSize/l1GBMAX).toFixed(2)+'tb';
+    if      (pSize < l1BMAX)    lShorted = pSize + 'b';
+    else if (pSize < l1KBMAX)   lShorted = (pSize/l1BMAX) .toFixed(2) + 'kb';
+    else if (pSize < l1MBMAX)   lShorted = (pSize/l1KBMAX).toFixed(2) + 'mb';
+    else if (pSize < l1GBMAX)   lShorted = (pSize/l1MBMAX).toFixed(2) + 'gb';
+    else if (pSize < l1TBMAX)   lShorted = (pSize/l1GBMAX).toFixed(2) + 'tb';
     return lShorted;
 };
 
@@ -285,7 +285,7 @@ CloudFunc.checkExtension=function(pName,pExt)
             var lExtSub=lLength-lExtNum;        /* длина расширения*/
             
             /* если pExt - расширение pName */
-            return lExtSub===pExt.length;
+            return lExtSub === pExt.length;
     
     }else if(typeof pExt === 'object' &&
         pExt.length){