常用的AJAX弹出层代码

<!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=utf-8" />
<title>无标题文档</title>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<style type="text/css">
<!
-- html, body
{
height: 100%;
margin: 0px;
font-size: 12px;
}
.mydiv
{
background-color: #FFCC66;
border: 1px solid #f00;
text-align: center;
line-height: 40px;
font-size: 12px;
font-weight: bold;
z-index: 99;
width: 300px;
height: 120px;
left: 50%; /*FF IE7*/
top: 50%; /*FF IE7*/
margin-left: -150px !important; /*FF IE7 该值为本身宽的一半 */
margin-top: -60px !important; /*FF IE7 该值为本身高的一半*/
margin-top: 0px;
position: fixed !important; /*FF IE7*/
position: absolute; /*IE6*/
_top: expression(eval(document.compatMode &&
document.compatMode=='CSS1Compat') ?
documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :/*IE6*/
document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2); /*IE5 IE5.5*/
}

.mydiv2
{
background-color: #FFCC66;
border: 1px solid #f00;
text-align: center;
line-height: 40px;
font-size: 12px;
font-weight: bold;
z-index: 99;
width: 400px;
height: 400px;
left: 50%; /*FF IE7*/
top: 50%; /*FF IE7*/
margin-left: -200px !important; /*FF IE7 该值为本身宽的一半 */
margin-top: -200px !important; /*FF IE7 该值为本身高的一半*/
margin-top: 0px;
position: fixed !important; /*FF IE7*/
position: absolute; /*IE6*/
_top: expression(eval(document.compatMode &&
document.compatMode=='CSS1Compat') ?
documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :/*IE6*/
document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2); /*IE5 IE5.5*/
}

.bg
{
background-color: #666;
width: 100%;
height: 100%;
left: 0;
top: 0; /*FF IE7*/
filter: alpha(opacity=50); /*IE*/
opacity: 0.5; /*FF*/
z-index: 1;
position: fixed !important; /*FF IE7*/
position: absolute; /*IE6*/
_top: expression(eval(document.compatMode &&
document.compatMode=='CSS1Compat') ?
documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :/*IE6*/
document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2); /*IE5 IE5.5*/
}
-- ></style>

function showDiv2() {
$('#popDiv').removeClass().addClass("mydiv2").css("display","block").css("background","pink");
$('#bg').css("display","block");
}

function closeDiv() {
$('#popDiv').css("display","none");
$('#bg').css("display","none");
}

</script>

</head>
<body onload="$('#bg').css('height',document.body.clientHeight).css('width',document.body.clientWidth); ">
<div id="popDiv" class="mydiv" style="display: none;">
动态弹出的层<br />
动态弹层的内容<br />
<a href="javascript:closeDiv()">关闭窗口</a></div>
<div id="bg" class="bg" style="display: none;">
</div>
<div style="height: 1400px;">
<div style="text-align: center;">
<a href="javascript:showDiv()">点我1</a><br/><br/>
<a href="javascript:showDiv2()">点我2</a>
</div>
</div>
</body>
</html>

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常用的AJAX弹出层代码

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