<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>漂浮广告代码_www.jb200.com</title>
</head>
<body>
<div id=img1 style="z-index: 100; left: 2px; width: 59px; position: absolute; top: 43px; height: 61px;
visibility: visible;"><a href="/jscss/" target="_blank"><img src="/jscss/demoimg/200908/pic.gif" width="80" height="80" border="0"></a></div>
<script>
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;
//js漂浮广告代码示例
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>
</body>
</html>
