 width="16" height="16" src="img/ref-collapse-tree.png" alt="Collapse all node icon" title="Collapse all node icon" /></p></td>
<td align="left" headers="r7c1-t23 r1c2-t23">Collapse all nodes in tree</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r8c1-t23" headers="r1c1-t23">
<p><img width="16" height="16" src="img/ref-expand-tree.png" alt="Expand all nodes icon" title="Expand all nodes icon" /></p></td>
<td align="left" headers="r8c1-t23 r1c2-t23">Expand all nodes in tree</td>
</tr>
<tr ali