center, bottom);

					// Check tab order
					var tabbable = helpers.tabOrder(lc.domNode);
					doh.is(7, tabbable.length, "each pane plus link and select");
					doh.is(left.id, tabbable[0].id, "left");
					doh.is(right.id, tabbable[1].id, "right");
					doh.is(top.id, tabbable[2].id, "top");
					doh.is(center.id, tabbable[3].id, "center");
					doh.is(bottom.id, tabbable[6].id, "bottom");
				},

				function advanced(){
					var lc = registry.byId("advanced");
					array.forEach(lc.getChildren(), func