<html>
<head>
<script type="text/javascript">
function ActionBeforeSave() {
document.getElementById("divItem").style.display = "block";
return true;
}
</script>
</head>
<body>
<div id="divItem" style="width: 2000px; height: 2000px; filter: alpha(opacity=30);
background-color: Gray; position: absolute; top: 0px; left: 0px; display: none">
</div>
<input type="button" id="btn1" name="btn1" value="点我" onclick="ActionBeforeSave();" />
</body>
</html>
<head>
<script type="text/javascript">
function ActionBeforeSave() {
document.getElementById("divItem").style.display = "block";
return true;
}
</script>
</head>
<body>
<div id="divItem" style="width: 2000px; height: 2000px; filter: alpha(opacity=30);
background-color: Gray; position: absolute; top: 0px; left: 0px; display: none">
</div>
<input type="button" id="btn1" name="btn1" value="点我" onclick="ActionBeforeSave();" />
</body>
</html>