漂浮广告用如下代码：
<html xmlns="
http://www.w3.org/1999/xhtml"><head>
<title>js实现可关闭的自由漂浮广告代码_js特效_特效代码_
www.xunmzy.com</title><meta http-equiv="content-type" content="text/html;charset=utf-8">
<style type="text/css">
#img1{width:auto;position:absolute;top:43px;left:2px;z-index:10;}
#img1 div{width:auto;text-align:right;font-size:12px;}
#img1 div a:link{text-decoration:none;}
#img1 div a:hover{color:red;text-decoration:none;}
#img1 img{width:auto;border:1px solid black;}
p{margin-top:50px;text-align:center;}
</style>
</head>
<body>
<div id="img1" onmouseover="pause_resume()" onmouseout="pause_resume()">
<div><a href="javascript:void(0);" onclick="closediv()" title="点击关闭">关闭</a></div>
<a href="
https://www.xunmzy.com/" target="_blank"><img src="images/logo_png.png" alt="js实现可关闭的自由漂浮广告代码"></a>
</div>
<p>js代码可关闭的自由漂浮的图片广告特效</p>
<script type="text/javascript">
var xPos = 300;
var yPos = 200;
var step = 1;
var delay = 30;
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
var divid = img1; //浮动DIV的ID.
divid.style.top = yPos;
function changePos(){
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = divid.offsetHeight;
Woffset = divid.offsetWidth;
divid.style.left = xPos + document.body.scrollLeft;
divid.style.top = yPos + document.body.scrollTop;
if(yon){yPos = yPos + step;}else{yPos = yPos - step;}
if(yPos < 0){yon = 1;yPos = 0;}
if(yPos >= (height - Hoffset)){yon = 0; yPos = (height - Hoffset);}
if(xon){xPos = xPos + step;}else{xPos = xPos - step;}
if(xPos < 0){xon = 1;xPos = 0;}
if(xPos >= (width - Woffset)){xon = 0; xPos = (width - Woffset);}
}
function start(){
divid.visibility = "visible";
interval = setInterval('changePos()',delay);
}
function pause_resume(){
if(pause){
clearInterval(interval);
pause = false;}
else{
interval = setInterval('changePos()',delay);
pause = true;
}
}
function closediv(){
clearInterval(interval);
divid.style.display = "none";
}
start();
</script>
</body>
</html>
把需要改的地方改了就可以了，