<!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>
<title>DIV
CSS遮罩层</title>
<script language="javascript"
type="text/javascript">
function showdiv() {
document.getElementByIdx_x("bg").style.display =
"block";
document.getElementByIdx_x("show").style.display =
"block";
}
function hidediv() {
document.getElementByIdx_x("bg").style.display =
'none';
document.getElementByIdx_x("show").style.display =
'none';
}
</script>
<style
type="text/css">
#bg{ display: none;
position: absolute; top: 0%;
left: 0%; width: 100%;
height: 100%; background-color:
black; z-index:1001;
-moz-opacity: 0.7; opacity:.70;
filter: alpha(opacity=70);}
#show{display: none;
position: absolute; top: 25%;
left: 22%; width: 53%;
height: 49%; padding: 8px;
border: 8px solid #E8E9F7;
background-color: white;
z-index:1002; overflow:
auto;}
</style>
</head>
<body>
<input id="btnshow" type="button"
value="Show" onclick="showdiv();" />
<div
id="bg"></div>
<div
id="show">测试
<input
id="btnclose" type="button" value="Close" onclick="hidediv();"
/>
</div>
</body>
</html>