get map hash

Tabpanels tabpanels = tb.getTabpanels();
		Tab tab = new Tab(tree.getSelectedItem().getLabel());
		tab.setClosable(true);
		Tabs tabs = tb.getTabs();
		tabs.appendChild(tab);
		Tabpanel tp = new Tabpanel();
		tp.appendChild(Executions.createComponents("page_zka.zul", null, map));
		tabpanels.appendChild(tp);