         }
         return true;
     }
-    
-    /**
-     * @private
-     * Update the parent map.
-     */ 
-    private function updateParentMap(currentNode:Object):void
-    {
-        if (currentNode != null)
-        {
-            var uid:String = UIDUtil.getUID(currentNode);
-            if (!collection.parentMap.hasOwnProperty(uid))
-                collection.parentMap[uid] = parentNodes[parentNodes.length - 1];
-        }
-    }
+	
+	/**
+	 * @private
+	 * Update the parent map.
+	 */ 
+	private function updateParentMap(currentNode:Object):void
+	{
+		if (currentNode != null)
+		{
+			var uid:String = UIDUtil.getUID(currentNode);
+			if (!collection.parentMap.hasOwnProperty(uid))
+				collection.parentMap[uid] = parentNodes[parentNodes.length - 1];
+		}
+	}
 
     /**
      *  @private

                }
            } 
        }
        
        updateParentMap(currentNode);

        currentIndex++;
        return true;

    /**
     *  @inheritDoc
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
