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弹出层（Div）屏蔽父窗口并且让父窗口变暗

2008-05-29 09:21 281 查看
<html>

<head>

<script>

function locking(){

document.all.ly.style.display="block";

document.all.ly.style.width=document.body.clientWidth;

document.all.ly.style.height=document.body.clientHeight;

document.all.Layer2.style.display='block';

}

function Lock_CheckForm(theForm){

document.all.ly.style.display='none';document.all.Layer2.style.display='none';

return false;

}

</script>

</head>

<body>

<img src="http://powereasy.net/skin/since07/images/sf_cms_banner1.jpg">

<p align="center">

<input type="button" value="系统锁定" onclick="locking()">

</p>

<div id="ly" style="position: absolute; top: 0px; filter: alpha(opacity=60); background-color: #777;

z-index: 2; left: 0px; display: none;">

</div>

<!-- 浮层框架开始 -->

<div id="Layer2" align="center" style="position: absolute; z-index: 3; left: expression((document.body.offsetWidth-540)/2); top: expression((document.body.offsetHeight-170)/2);

background-color: #fff; display: none;" >

<table width="540" border="0" cellpadding="0" cellspacing="0" style="border: 0 solid #e7e3e7;

border-collapse: collapse">

<tr>

<td style="background-color: #73A2d6; color: #fff; padding-left: 4px; padding-top: 2px;

font-weight: bold; font-size: 14px;" height="27" valign="middle">

[ 警 告 ]

</td>

</tr>

<tr>

<td height="130" align="center">

<input type="button" value=" 确定 " onclick="Lock_CheckForm(this);">

</td>

</tr>

</table>

</div>

<!-- 浮层框架结束 -->

</body>

</html>
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