<zk>
<script type="text/javascript">
function changeColor() {
var trs = jq('$tree').find('.z-treerow');
for (var i = 0;i < trs.length;i ++) {
if (i % 2 == 0)
jq(trs[i]).css('background-color', '#029BCB')
}
}
</script>
<tree id="tree" width="400px" rows="8">
<attribute name="onCreate">
Clients.evalJavaScript("changeColor();");
</attribute>
<treecols sizable="true">
<treecol label="Name" />
<treecol label="Description" />
</treecols>
<treechildren>
<treeitem>
<treerow>
<treecell label="Item 1" />
<treecell label="Item 1 description" />
</treerow>
</treeitem>
<treeitem>
<treerow>
<treecell label="Item 2" />
<treecell label="Item 2 description" />
</treerow>
<treechildren>
<treeitem>
<treerow>
<treecell label="Item 2.1" />
</treerow>
<treechildren>
<treeitem>
<treerow>
<treecell label="Item 2.1.1" />
</treerow>
</treeitem>
<treeitem>
<treerow>
<treecell label="Item 2.1.2" />
</treerow>
</treeitem>
</treechildren>
</treeitem>
<treeitem>
<treerow>
<treecell label="Item 2.2" />
</treerow>
<treechildren>
<treeitem>
<treerow>
<treecell label="Item 2.2.1" />
</treerow>
</treeitem>
</treechildren>
</treeitem>
</treechildren>
</treeitem>
<treeitem label="Item 3" />
</treechildren>
</tree></zk>