<!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>浮動廣告</title>
<style type="text/css">
#qqonline{
background-color:red;
border: 1px solid #fcc;
position:absolute;
top:100px;
left:16px;
width:100px;
height:120px;
}
#qqonline1{
background-color:red;
border: 1px solid #fcc;
position:absolute;
top:100px;
right:16px;
width:100px;
height:120px;
}
</style>
<script src="../js/jquery-1.2.6.js" type="text/javascript"></script>
<script type="text/javascript">
$(this).scroll(function() { // 頁面發生scroll事件時觸發
var bodyTop = 0;
if (typeof window.pageYOffset != 'undefined') {
bodyTop = window.pageYOffset;
}
else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat')
{
bodyTop = document.documentElement.scrollTop;
}
else if (typeof document.body != 'undefined') {
bodyTop = document.body.scrollTop;
}
$("#qqonline").css("top", 100 + bodyTop) // 設置層的CSS樣式中的top屬性, 注意要是小寫，要符合“標準”
$("#qqonline").text(bodyTop); // 設置層的內容，這里只是顯示當前的scrollTop
$("#qqonline1").css("top", 100 + bodyTop)
$("#qqonline1").text(bodyTop);
});
</script>
</head>
<body style="height:1800px"><!-- 給BODY加個樣式，讓頁面出現滾動條 -->
<form id="form1" runat="server">
</form>
<div id="qqonline">
QQ在線服務
</div>
<div id="qqonline1">
QQfsdf在線服務
</div>
</body>
</html>
