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<html>
<head><title>Here is a Tree</title></head>
<body bgcolor="white">
<h1>Here is a Tree</h1>
<al-form method="post">
<table cellspacing="0" cellpadding="0">
<al-tree iter="n" expr="tree" lazy>
<tr>
<al-for iter="i" expr="range(n.depth())">
<td width="16" nowrap></td>
</al-for>
<al-if expr="n.has_children()">
<td width="16" nowrap>
<al-if expr="n.is_open()">
<al-input type="image" src="/alsamp/images/open.png" width="13" height="13" border="0" treefold="n">
<al-else>
<al-input type="image" src="/alsamp/images/close.png" width="13" height="13" border="0" treefold="n">
</al-if>
</td>
<al-else>
<td width="16" nowrap></td>
</al-if>
<td><al-input type="checkbox" treeselect="n"></td>
<td colspan="<al-value expr="n.span()">" width="100%" nowrap><al-value expr="n.value().name"></td>
</tr>
</al-tree>
</table>
<al-input type="submit" name="submit" value="Submit">
</al-form>
</body>
</html>
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