diff --git a/html/js/prototype.js b/html/js/prototype.js
index f7965e19f..5c7ed2bd4 100644
--- a/html/js/prototype.js
+++ b/html/js/prototype.js
@@ -4284,27 +4284,8 @@ Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
 
     if (options.setLeft)
       styles.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
-   if (options.setTop) {
-       /****
-        * DDB Scroll
-        */
-                var x = 0, y = 0;
-                if( typeof( window.pageYOffset ) == 'number' ) {
-                    // Netscape
-                    x = window.pageXOffset;
-                    y = window.pageYOffset;
-                } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
-                    // DOM
-                    x = document.body.scrollLeft;
-                    y = document.body.scrollTop;
-                } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
-                    // IE6 standards compliant mode
-                    x = document.documentElement.scrollLeft;
-                    y = document.documentElement.scrollTop;
-                }
-      /**** DDB ***/
-      styles.top  = (p[1] - delta[1] + options.offsetTop) + y + 'px';
-  }
+    if (options.setTop)
+      styles.top  = (p[1] - delta[1] + options.offsetTop)  + 'px';
 
     if (options.setWidth)
       styles.width  = layout.get('border-box-width')  + 'px';