Roo.GridPanel = Roo.panel.Grid;
Roo.CalendarPanel = Roo.panel.Calendar;
Roo.ContentPanel = Roo.panel.Content;
Roo.NestedLayoutPanel = Roo.panel.NestedLayout;
Roo.TabPanel = Roo.panel.Tab;
Roo.TabPanelItem = Roo.panel.TabItem;
Roo.TreePanel = Roo.panel.Tree;
Roo.ScrollPanel = Roo.panel.Scroll;
Roo.BorderLayout = Roo.layout.Border;
Roo.BasicLayoutRegion = Roo.layout.BasicRegion;
Roo.LayoutRegion = Roo.layout.Region;
Roo.SplitLayoutRegion = Roo.layout.SplitRegion;
Roo.LayoutManager = Roo.layout.Manager;
Roo.NorthLayoutRegion = Roo.layout.North;
Roo.EastLayoutRegion = Roo.layout.East;
Roo.WestLayoutRegion = Roo.layout.West;
Roo.SouthLayoutRegion = Roo.layout.South;
Roo.CenterLayoutRegion = Roo.layout.Center;
Roo.LayoutStateManager = Roo.layout.StateManager;
Roo.ReaderLayout = Roo.layout.Reader;