dhtmlxTree 链接问题

如题，怎么在下面代码里面加入链接，<div id="treeboxbox_tree2" setImagePath="../imgs/" class="dhtmlxTree" >
<xmp>
<item text="Root" open="1" id="11">
<item text="Child1" select="1" open="1" id="12">
<item text="Child1-1" id="13"/>
</item>
<item text="Child2" id="14"/>
<item id="15" text="Text"/>
</item>
< /xmp>
</div>