<canvas height="75">
<include href="base"/>
<class name="aquatab" extends="basetab" width="40" height="20" bgcolor="aqua">
<text>tab</text>
</class>
<basetabs x="10" y="10" tabclass="aquatab">
<basetabpane>
<text>one</text>
</basetabpane>
<basetabpane>
<text>two</text>
</basetabpane>
<basetabpane>
<text>three</text>
</basetabpane>
</basetabs>
</canvas>