diff --git a/lib/client/polyfill.js b/lib/client/polyfill.js
index 1e913ff3..fc142f29 100644
--- a/lib/client/polyfill.js
+++ b/lib/client/polyfill.js
@@ -90,63 +90,73 @@ var Util, DOM, jQuery;
     }
     
     DOM.scrollByPages           = Util.retFalse;
-    /* function polyfill webkit standart function */
+    /* function polyfill webkit standart function
+     *    https://gist.github.com/2581101
+     */
     DOM.scrollIntoViewIfNeeded = function(pElement, centerIfNeeded) {
-        if (!window.getComputedStyle)
-            return;
-        /*
-            https://gist.github.com/2581101
-        */
-        centerIfNeeded = arguments.length === 0 ? true : !!centerIfNeeded;
+        var parent,
+            topWidth,
+            leftWidth,
+            parentComputedStyle,
+            parentBorderTopWidth,
+            parentBorderLeftWidth,
+            overTop,
+            overBottom,
+            overLeft,
+            overRight,
+            alignWithTop;
         
-        var parent = pElement.parentNode,
-            parentComputedStyle = window.getComputedStyle(parent, null),
-            parentBorderTopWidth = 
-                parseInt(parentComputedStyle.getPropertyValue('border-top-width'), 10),
+        if (window.getComputedStyle) {
+            centerIfNeeded          = arguments.length === 0 ? true : !!centerIfNeeded;
+            parent                  = pElement.parentNode;
+            parentComputedStyle     = window.getComputedStyle(parent, null);
+            
+            topWidth                = parentComputedStyle.getPropertyValue('border-top-width');
+            leftWidth               = parentComputedStyle.getPropertyValue('border-left-width');
+            
+            parentBorderTopWidth    = parseInt(topWidth, 10);
+            parentBorderLeftWidth   = parseInt(leftWidth, 10);
                 
-            parentBorderLeftWidth =
-                parseInt(parentComputedStyle.getPropertyValue('border-left-width'), 10),
-                
-            overTop = pElement.offsetTop - parent.offsetTop < parent.scrollTop,
-            overBottom = 
+            overTop                 = pElement.offsetTop - parent.offsetTop < parent.scrollTop,
+            overBottom              = 
                 (pElement.offsetTop         - 
                     parent.offsetTop        + 
                     pElement.clientHeight   -
                     parentBorderTopWidth)   >
                 (parent.scrollTop + parent.clientHeight),
                 
-            overLeft = pElement.offsetLeft - 
+            overLeft                = pElement.offsetLeft - 
                 parent.offsetLeft < parent.scrollLeft,
                 
-            overRight =
+            overRight               =
                 (pElement.offsetLeft        -
                     parent.offsetLeft       +
                     pElement.clientWidth    -
                     parentBorderLeftWidth)  >
                 (parent.scrollLeft + parent.clientWidth),
             
-            alignWithTop = overTop && !overBottom;
-        
-        if ((overTop || overBottom) && centerIfNeeded)
-            parent.scrollTop =
-                pElement.offsetTop      -
-                parent.offsetTop        -
-                parent.clientHeight / 2 -
-                parentBorderTopWidth    +
-                pElement.clientHeight / 2;
-        
-        if ((overLeft || overRight) && centerIfNeeded)
-            parent.scrollLeft =
-                pElement.offsetLeft     -
-                parent.offsetLeft       -
-                parent.clientWidth / 2  -
-                parentBorderLeftWidth   +
-                pElement.clientWidth / 2;
-        
-        if ( (overTop || overBottom || overLeft || overRight) &&
-            !centerIfNeeded)
+            alignWithTop            = overTop && !overBottom;
+            
+            if ((overTop || overBottom) && centerIfNeeded)
+                parent.scrollTop    =
+                    pElement.offsetTop      -
+                    parent.offsetTop        -
+                    parent.clientHeight / 2 -
+                    parentBorderTopWidth    +
+                    pElement.clientHeight / 2;
+            
+            if ((overLeft || overRight) && centerIfNeeded)
+                parent.scrollLeft   =
+                    pElement.offsetLeft     -
+                    parent.offsetLeft       -
+                    parent.clientWidth / 2  -
+                    parentBorderLeftWidth   +
+                    pElement.clientWidth / 2;
+            
+            if ((overTop || overBottom || overLeft || overRight) && !centerIfNeeded)
                 pElement.scrollIntoView(alignWithTop);
-      };
+        }
+    };
           
     if (!document.body.classList) {