ILayoutContainer parentContainer = folder

                                .getContainer();

                        // PR 1GDFVBY: ViewStack not disposed when page

                        for (int i = 0; i < children.length; i++) {

                        // closed.

                            folder.remove(children[i]);

                        if (oldContainer instanceof ViewStack) {

                            parentContainer.add(children[i]);

							((ViewStack) oldContainer).dispose();

                        }

						}

                        hasChildren = false;

                        // replace the real container with a

                        // ContainerPlaceholder

                        ILayoutContainer parentContainer = folder.getContainer();

                        ContainerPlaceholder placeholder = new ContainerPlaceholder(

                        		folder.getID());

                        placeholder.setRealContainer(oldContainer);

                        parentContainer.replace(folder, placeholder);