Javascript实现带关闭按钮的网页漂浮广告代码

 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>带关闭按钮的网页漂浮广告代码</title> 
</head> 
<body> 
<div id="img" style="position: absolute; left: 311; top: 815;visibility :hidden;" onmouseover="clearInterval(interval)" onmouseout="interval = setInterval('changePos()', delay)" align="right"> 
<a href="#" target="_blank"><img border="0" src="图片路径" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/></a> 
<span style="CURSOR:hand;color:red;font-weight:bold" onclick="clearInterval(interval);img.style.visibility = 'hidden'">X</span> 
</div> 
<script language=javascript src=ff.js> 

</script> 
</body> 
</html> 

ff.js代码

复制代码代码如下:

 
var xPos = 20; 
var yPos = document.body.clientHeight; 
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; 
img.style.top = yPos; 
function changePos() { 
width = document.body.clientWidth; 
height = document.body.clientHeight; 
Hoffset = img.offsetHeight; 
Woffset = img.offsetWidth; 
img.style.left = xPos + document.body.scrollLeft; 
img.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() { 
img.style.visibility = "visible"; 
interval = setInterval('changePos()', delay); 
} 
start(); 

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