<zk>
When current page is last page, call setPageSize method.
Notice: This only happens when the change pageSize is larger than current
pageSize

	<button label="Set PageSize">
			<attribute name="onClick">
				tree.setPageSize(10);
			</attribute>
		</button>
	<tree id="tree" mold="paging" width="90%" pageSize="2">
		<treechildren>
			<treeitem label="Item 1" />
			<treeitem label="Item 2" />
			<treeitem label="Item 3" />
			<treeitem label="Item 4" />
			<treeitem label="Item 5" />
			<treeitem label="Item 6" />
			<treeitem label="Item 7" />
			<treeitem label="Item 8" />
			<treeitem label="Item 9" />
			<treeitem label="Item 10" />
			<treeitem label="Item 11" />
			<treeitem label="Item 12" />
			<treeitem label="Item 13" />
			<treeitem label="Item 14" />
			<treeitem label="Item 15">
				<treechildren>
			<treeitem label="Item 15.1" />
			<treeitem label="Item 15.2" />
			<treeitem label="Item 15.3" />
			<treeitem label="Item 15.4" />
			<treeitem label="Item 15.5" />
			<treeitem label="Item 15.6" />
			<treeitem label="Item 15.7" />
			<treeitem label="Item 15.8" />
			<treeitem label="Item 15.9" />
			<treeitem label="Item 15.10" />
			<treeitem label="Item 15.11" />
			<treeitem label="Item 15.12" />
			<treeitem label="Item 15.13" />
			<treeitem label="Item 15.14" />
			<treeitem label="Item 15.15" />
				</treechildren>
			</treeitem>
		</treechildren>
	</tree>
</zk>