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树形菜单基础

2004-10-09 15:56 260 查看
<html>
<head>
<SCRIPT language="JavaScript">
function display1(Q_subtree,Q_img){

if (Q_subtree.style.display=="none"){
Q_subtree.style.display="";
Q_img.src="tree_collapse.gif";
}
else
{
Q_subtree.style.display="none";
Q_img.src="tree_expand.gif";
}
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>

<body>
<table width="174" border="0" cellspacing="0" cellpadding="0">
<tr>
<td><IMG src="tree_collapse.gif" border=no name=img onclick="javascript:display1(document.all.subtree,document.all.img);" >123123</td>
</tr>
<tr>
<td id="subtree">123123</td>
</tr>
</table>
</body>
</html>
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