<html>
<head>
<script src="http://common.cnblogs.com/script/jquery.js" type="text/javascript"></script>
<script type="text/javascript">
function ShowDialog() {
$('#divGray').css('height', $(document).height());
$('#divGray').show();
$('#divEdit').css('top', $(document).scrollTop() + 80);
$('#divEdit').css('left', ($(document).width() - 500) / 2);
$('#divEdit').show();
$('#divShadow').css('top', $('#divEdit').offset().top + 5);
$('#divShadow').css('left', $('#divEdit').offset().left + 5);
$('#divShadow').css('width', $('#divEdit').width());
$('#divShadow').css('height', $('#divEdit').height());
$('#divShadow').show();
}
function CancelDialog() {
$('#divGray').hide();
$('#divEdit').hide();
$('#divEdit input:text').val('');
$('#divShadow').hide();
}
</script>
<style type="text/css">
#divEdit {
position: absolute;
z-index: 10003;
480px;
border-top: #709cd2 1px solid;
border-left: #709cd2 1px solid;
border-right: #709cd2 1px solid;
border-bottom: #709cd2 1px solid;
display: none;
}
#divGray {
position: absolute;
z-index: 10001;
left: 0px;
top: 0px;
100%;
background-color: #EEEFFF;
opacity: 0.6; /* Firefox, Safari(WebKit), Opera)
filter: "alpha(opacity=60)"; /* IE 8 */
filter: alpha(opacity=60); /* IE 4-7 */
display: none;
}
#divShadow {
position: absolute;
z-index: 10002;
background: #000EEE;
opacity: 0.1; /* Firefox, Safari(WebKit), Opera)
filter: "alpha(opacity=10)"; /* IE 8 */
filter: alpha(opacity=10); /* IE 4-7 */
display: none;
}
</style>
</head>
<body>
<input type="button" style="height: 30px; 100px;" onClick="ShowDialog()" value="cover" />
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<input type="button" value="test" />
<div id="divEdit">
abcd
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<input type="button" value="cancel" onClick="CancelDialog()"/>
</div>
<div id="divGray"></div><div id="divShadow"></div>
</body>
</html>