网页中任意漂浮的广告代码

时间:2010-04-09 12:24:34  来源:第二电脑网  作者:第二电脑网

  第二电脑网导读:lt;/head><body><DIV id=img1 style="Z-INDEX: 100; LEFT: 2px; WIDTH: 59px; POSITION: absolute; TOP: 43px; HEIGHT: 61px;visibility: visible;"><a href="http://www.dwww.cn" target="_blank"><img src="http://webdesign.chinaitlab.com/UploadFiles_8014/200707/20070702113308946.gif"...
  正文:

网页特效代码:超简单实用的网页中任意漂浮的广告代码

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>网页特效</title>
</head>
<body>
<DIV id=img1 style="Z-INDEX: 100; LEFT: 2px; WIDTH: 59px; POSITION: absolute; TOP: 43px; HEIGHT: 61px;
visibility: visible;"><a href="http://www.dwww.cn" target="_blank"><img src="http://webdesign.chinaitlab.com
/UploadFiles_8014/200707/20070702113308946.gif" width="88" height="31" border="0"></a></DIV>
</body>
</html>
<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;
img1.style.top = yPos;
function changePos()
{
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = img1.offsetHeight;
Woffset = img1.offsetWidth;
img1.style.left = xPos + document.body.scrollLeft;
img1.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()
{
img1.visibility = "visible";
interval = setInterval('changePos()', delay);
}
function pause_resume()
{
if(pause)
{
clearInterval(interval);
pause = false;}
else
{
interval = setInterval('changePos()',delay);
pause = true;
}
}
start();
</script>

网页中任意漂浮的广告代码》由第二电脑网原创提供,转载请注明:http://www.002pc.com/master/College/Programming/JavaScript/13543.html


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