<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<table class="mchart" width="100%" cellpadding="0" cellspacing="0" border="1">
<tr>
<td class="listhdrr">栏目名称</td>
<td class="listhdrr">顺序调整</td>
<td class="listhdrr">栏目文件夹名称</td>
<td class="listhdrr">主页显示</td>
<td class="listhdrr">应用模板</td>
<td class="listhdrr">操作</td>
</tr>
<tr main=31 menu="main1" >
<td><span>|-- </span>方案1</td>
<td><a class="img_up" href="javascript:void(0);" id="1">下移</a></td>
<td>project</td>
<td><a style="display:block;" id="s_31" href="javascript:void(0);" show=0 >是</td>
<td>child.tpl</td>
<td><a href="manage_menu_edit.php?editMenu=31">修改</a> | <a class="btn" onclick="sureDel('manage_menu.php?delMenu=31')">删除</a> </td>
</tr>
<tr main=30 menu="main2" >
<td><span>|-- </span>资讯2</td>
<td><a class="img_up" href="javascript:void(0);" id="2">下移</a></td>
<td>information</td>
<td><a style="display:block;" id="s_30" href="javascript:void(0);" show=0 >是</td>
<td>child.tpl</td>
<td><a href="manage_menu_edit.php?editMenu=30">修改</a> | <a class="btn" onclick="sureDel('manage_menu.php?delMenu=30')">删除</a> </td>
</tr>
<tr child=30>
<td><span>|--|-- </span>公司新闻</td>
<td> </td>
<td>news</td>
<td><a style="display:block;" id="s_32" href="javascript:void(0);" show=0 >是</td>
<td>child.tpl</td>
<td><a href="manage_menu_edit.php?editMenu=32">修改</a> | <a class="btn" onclick="sureDel('manage_menu.php?delMenu=32')">删除</a> </td>
</tr>
<tr main=27 menu="main0" >
<td><span>|-- </span>产品0</td>
<td><a class="img_up" href="javascript:void(0);" id="0">下移</a></td>
<td>product</td>
<td><a style="display:block;" id="s_27" href="javascript:void(0);" show=0 >是</td>
<td>child.tpl</td>
<td><a href="manage_menu_edit.php?editMenu=27">修改</a> | <a class="btn" onclick="sureDel('manage_menu.php?delMenu=27')">删除</a> </td>
</tr>
<tr child=27>
<td><span>|--|-- </span>防火墙</td>
<td> </td>
<td>firewall</td>
<td><a style="display:block;" id="s_29" href="javascript:void(0);" show=0 >是</td>
<td>child.tpl</td>
<td><a href="manage_menu_edit.php?editMenu=29">修改</a> | <a class="btn" onclick="sureDel('manage_menu.php?delMenu=29')">删除</a> </td>
</tr>
</table>
</body>
</html>
上面代码中，如果点击第一个“下移”，如何获取与父级<tr menu='main1'>同样具有menu属性的<tr>,即获取到<tr menu='main2'>。当点击最后一个"下移"时，获取到<tr menu='main1'>对象？
html
jQuery
------解决方案--------------------