日期:2014-05-17 浏览次数:20923 次
<html>
<head>
<script type=text/javascript src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<link rel="stylesheet" type="text/css" media="all" href="1.css" />
</head>
<body>
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
<div style="display:none;" class="back-to" id="toolBackTop">
<a title="返回顶部" href="#top" class="back-top">
返回顶部</a>
</div>
<!--top start-->
<script type="text/javascript">
$(document).ready(function () {
var bt = $('#toolBackTop');
var sw = $(document.body)[0].clientWidth;
var limitsw = (sw - 880) / 2 - 91;
if (limitsw > 0){
limitsw = parseInt(limitsw);
bt.css("right",limitsw);
}
$(window).scroll(function() {
var st = $(window).scrollTop();
if(st > 30){
bt.show();
}else{
bt.hide();
}
});
$("#toolBackTop").click(function () {
$('body,html').animate({ scrollTop: '0px'}, 1000);
return false;
});
})
</script>
<!--top end-->
</body>
</html>
.back-to {
bottom: 35px;
overflow: hidden;
position: fixed;
right: 10px;
width: 110px;
z-index: 999;
}
.back-to .back-top {
background: url("back-top.png") no-repeat scroll 0 0 transparent;
display: block;
float: right;
height: 50px;
margin-left: 10px;
outline: 0 none;
text-indent: -9999em;
width: 50px;
}
.back-to .back-top:hover {
background-position: -50px 0
}