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遮罩层 div弹出层

2014-09-01 15:23 232 查看
全页面遮罩层 & div弹出层

<!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=GBK" />
<title>LIGHTBOX EXAMPLE</title>
<style>
* { margin:0; padding:0}
html, body { height: 100%; width: 100%; font-size:12px}
.white_content { display: none; position: absolute; top: 25%; left: 25%; width: 50%; padding: 6px 16px; border: 12px solid #D6E9F1; background-color: white; z-index:1002; overflow: auto;}
.black_overlay { display: none; position: absolute;top:0%;left:0%;width:100%;height:100%;  background-color:#f5f5f5; z-index:1001; -moz-opacity: 0.8; opacity:0.8; filter: alpha(opacity=80);}
.close { float:right; clear:both; width:100%; text-align:right; margin:0 0 6px 0}
.close a { color:#333; text-decoration:none; font-size:14px; font-weight:700}
.con { text-indent:1.5pc; line-height:21px}
</style>

<script>
function show(tag){
var light=document.getElementById(tag);
var fade=document.getElementById('fade');//遮罩层
fade.style.width = document.documentElement.scrollWidth; //设置为全页面
fade.style.height = document.documentElement.scrollHeight;
light.style.display='block';
fade.style.display='block';
}

function hide(tag){
var light=document.getElementById(tag);
var fade=document.getElementById('fade');
light.style.display='none';
fade.style.display='none';
}
</script>
</head>

<body>
<a href="javascript:void(0)" onclick="show('light')">打开1</a>
<a href="javascript:void(0)" onclick="show('light2')">打开2</a>
<div>
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</div>
<div>
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<div>
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<div>
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<div>
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</div>

<div id="light" class="white_content">
<div class="close">
<a href="javascript:void(0)" onclick="hide('light')"> 关闭</a>
</div>
<div class="con">
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</div>
</div>
<div id="light2" class="white_content">
<div class="close">
<a href="javascript:void(0)" onclick="hide('light2')"> 关闭</a>
</div>
<div class="con">
内容2
</div>
</div>
<div id="fade" class="black_overlay">
</div>

</body>
</html>
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