李秀满合金英敏职位:网页中的这个效果怎么做的？

这是源代码
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<script language="JavaScript">
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var bannerAD=new Array();
var bannerADlink=new Array();
var articleID = new Array();
var articleKey = new Array();
var adNum=0;

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bannerAD = imgurl.split(",");
for (i=0;i<bannerAD.length;i++)
{
bannerAD[i] = "http://www.love0.com/upload/album/"+ bannerAD[i] ;
bannerADlink[i] ="http://www.love0.com";
articleID[i] = 1;
articleKey[i] ="";
}

var preloadedimages=new Array();
for (i=1;i<bannerAD.length;i++)
{
preloadedimages[i]=new Image();
preloadedimages[i].src=bannerAD[i];
}

function setTransition()
{
if (document.all)
{
document.all.bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
document.all.bannerADrotator.filters.revealTrans.apply();
}
}

function playTransition()
{
if (document.all)
document.all.bannerADrotator.filters.revealTrans.play()
}

function nextAd()
{
if(adNum<bannerAD.length-1)adNum++ ;
else adNum=0;
setTransition();
document.images.bannerADrotator.src=bannerAD[adNum];
playTransition();
theTimer=setTimeout("nextAd()", 6000);
}

function jump2url()
{
jumpUrl=bannerADlink[adNum];
jumpTarget='_blank';
if (jumpUrl != '')
{
if (jumpTarget != '')window.open(jumpUrl,jumpTarget);
else location.href=jumpUrl;
}
}

function displayStatusMsg()
{
status=bannerADlink[adNum];
document.returnValue = true;
}
//-->
</script>

<a href="/album/">
<img width="160" height="120" style="FILTER: revealTrans(duration=2,transition=20)"
src="javascript:nextAd()" border="0" name="bannerADrotator" id="bannerADrotator"
style="border: 1px solid #808080">
<br>
<span id="span_ArticleKey"></span></a>
</center>
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