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JAVASCRIPT控制层的显示和隐藏

2009-07-28 08:20 357 查看
<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>无标题文档</title>

<script type="text/javascript">

function showhide(flag){

if(flag==0){

document.getElementById("news").style.display="none";

document.getElementById("news1").style.display="none";

document.getElementById("news2").style.display="block";

}

if(flag==1){

document.getElementById("news").style.display="block";

document.getElementById("news1").style.display="none";

document.getElementById("news2").style.display="none";

}

if(flag==2)

{

document.getElementById("news").style.display="none";

document.getElementById("news1").style.display="block"

document.getElementById("news2").style.display="none";

}

}

</script>

</head>

<body>

<select name="sex" onchange="showhide(value)">

<option value="0">请选择</option>

<option value="1">女孩</option>

<option value="2">男孩</option>

</select><br><br>

<div id="news2" style="display:block">猜猜我是谁?</div>

<div id="news" style="display:none">我是女生,漂亮的女生</div>

<div id="news1" style="display:none">我是男生,帅帅的男生</div>

</body>

</html>
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