实现好友列表的显示以及隐藏

<!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>
<script>
function demo(node)
{

	var par=node.parentNode;
	
	var tanode=par.getElementsByTagName("table")[0];
	//alert(tanode.nodeName);
	//node.nodeName
	//node;
	//alert(node.nodeName);
	if(tanode.className=="open")
	tanode.className="close";
	else
	tanode.className="open";
}
</script>
<style>
.close
{
	display:none;
}
.open
{
	visibility:visible;
}
A:link,A:visited
{
	color:#903;
	text-decoration:none;
}

</style>

<body>
<div>
<a href="javascript:void(0)" onclick="demo(this)">好友列表</a>
<table class="open" id="tab1" border="2" bordercolor="#00FF99" cellspacing="0" width="10%">
<tr>
<td>好友1</td></tr>
<tr>
<td>好友2</td>
<tr>
<td>好友3</td>
</tr>
</tr>
</table>
</div>
<div>
<a href="javascript:void(0)" onclick="demo(this)">好友列表</a>
<table class="open" id="tab1" border="2" bordercolor="#00FF99" cellspacing="0" width="10%">
<tr>
<td>好友1</td></tr>
<tr>
<td>好友2</td>
<tr>
<td>好友3</td>
</tr>
</tr>
</table>
</div>
<div>
<a href="javascript:void(0)" onclick="demo(this)">好友列表</a>
<table class="open" id="tab1" border="2" bordercolor="#00FF99" cellspacing="0" width="10%">
<tr>
<td>好友1</td></tr>
<tr>
<td>好友2</td>
<tr>
<td>好友3</td>
</tr>
</tr>
</table>
</div>
</body>
</html>
实现好友列表的显示以及隐藏_第1张图片

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