主要是控制层的高度
<body onload="setTimeout('ad.style.height=60',4000)">
<div id=ad style='position:absolute;top:0px;width:100%;height:800px;background:red'>
这是广告条,可以放图片或flash
</div>
<body onload="setTimeout('ad.style.height=60',4000)">
<div id=ad style='position:absolute;top:0px;width:100%;height:800px;background:red'>
这是广告条,可以放图片或flash
</div>
<div id='ad' style='position:absolute;top:0px;width:100%;height:0px;background:red'>
这是广告条,可以放图片或flash
</div>
</body>
<script language='javascript'>
var timer;
var step = 1;
function hideAd()
{
if (ad.style.pixelHeight <= 60)
clearTimeout(timer);
else
{
ad.style.pixelHeight -= step;
timer = setTimeout("hideAd()", 10);
}
}
function showAd()
{
if (ad.style.pixelHeight >= 400)
{
clearTimeout(timer);
timer = setTimeout("hideAd()", 4000);
}
else
{
ad.style.pixelHeight += step;
timer = setTimeout("showAd()", 10);
}
}
</script>
function openwin(){
newwin=window.open("newwin.htm","newwin","fullscreen")
settimeout("closewin()",3000)
}
function closewin(){
newwin.close()
}
</script>
<body onload=openwin()>