对联广告

<!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=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
#Layer1 {
	position:absolute;
	left:17px;
	top:26px;
	width:96px;
	height:215px;
	z-index:1;
	background-color: #FF6600;

}
#Layer2 {
	position:absolute;
	left:806px;
	top:16px;
	width:104px;
	height:225px;
	z-index:2;
	background-color: #FF6600;
}
#Layer3 {
	position:absolute;
	left:297px;
	top:18px;
	width:353px;
	height:31px;
	z-index:3;
}
-->
</style>
<script language="javascript">
	function hiddenAll(){
		var l1 = document.getElementById("Layer1");
		var l2 = document.getElementById("Layer2");
		l1.style.display = "none";
		l2.style.display = "none";
	}
	function showAll(){
		var l1 = document.getElementById("Layer1");
		var l2 = document.getElementById("Layer2");
		l1.style.display = "block";
		l2.style.display = "block";
	}
</script>
</head>

<body>
<div id="Layer1">
  <p>北风网</p>
  <p>ExtJs教程</p>
  <p>火热发布中!</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>    <span onclick="hiddenAll();" style="cursor:pointer">关闭</span></p>
</div>
<div id="Layer2">
  <p>北风网</p>
  <p>ExtJs教程</p>
  <p>火热发布中!</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>    <span onclick="hiddenAll();" style="cursor:pointer">关闭</span></p>
</div>
<div id="Layer3">
  <div align="center"><span onclick="showAll()" style="cursor:pointer">显示广告</span></div>
</div>
</body>
</html>

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