dijit.setWaiRole(this.domNode, "tablist");
// TODO: change key from object to id, to get more separation from StackContainerthis.pane2button = {}; // mapping from panes to buttonsthis.pane2menu = {}; // mapping from panes to close menuthis._subscriptions=[
dojo.subscribe(this.containerId+"-startup", this, "onStartup"),
dojo.subscribe(this.containerId+"-addChild", this, "onAddChild"),
dojo.subscribe(this.containerId+"-removeChild", this, "onRemoveChild"),
dojo.subscribe(this.containerId+"-selectChild", this, "onSelectChild"),
dojo.subscribe(this.containerId+"-containerKeyPress", this, "onContainerKeyPress")];