                     var headerItem:IInvalidating = headerItems[currentRowNum][i] as IInvalidating;
                     
                     if (headerItem)
-                    	IInvalidating(headerItem).invalidateDisplayList();
+                        IInvalidating(headerItem).invalidateDisplayList();
                     
                 }
 

    /**
     * Return <code>true</code> if <code>selectedMode</code> is 
     * <code>SINGLE_ROW</code> or <code>MULTIPLE_ROWS</code>.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9

        return moduleFactory;
    }

    /**
    * @private
    */
    public function set fontContext(moduleFactory:IFlexModuleFactory):void
