多图片每次变化的效果不同的js效果

<script language=JavaScript>

var imgUrl=new Array();

var imgLink=new Array();

var adNum=0;

imgUrl[1]="http://www.smallrain.net/jsimg/1.jpg";

imgLink[1]="#1";

imgUrl[2]="http://www.smallrain.net/jsimg/2.jpg";

imgLink[2]="#2";

imgUrl[3]="http://www.smallrain.net/jsimg/3.jpg";

imgLink[3]="#3";

imgUrl[4]="http://www.smallrain.net/jsimg/4.jpg";

imgLink[4]="#4";

imgUrl[5]="http://www.smallrain.net/jsimg/2.jpg";

imgLink[5]="#2";

var imgPre=new Array();

var j=0;

for (i=1;i<=5;i++) {

if( (imgUrl[i]!="") && (imgLink[i]!="") ) {

j++;

} else {

break;

}

}

function playTran(){

if (document.all){

document.imgInit.filters[0].play();

}

}

function nextAd(){

if(adNum<j)adNum++ ;

else adNum=1;

if (document.all){

document.imgInit.filters[0].Transition=26;

document.imgInit.filters[0].apply();

}

document.images.imgInit.src=imgUrl[adNum];

playTran();

theTimer=setTimeout("nextAd()", 6000);

}

function goUrl(){

jumpUrl=imgLink[adNum];

jumpTarget='_blank';

if (jumpUrl != ''){

if (jumpTarget != '')

window.open(jumpUrl,jumpTarget);

else

location.href=jumpUrl;

}

}

</script>

<a href="#" onclick="goUrl()" target="_parent"><img style="FILTER:

progid:DXImageTransform.Microsoft.RevealTrans (duration=1,transition=3);

; border-color:#000000;color:#000000;margin-bottom:-5px" src="javascript:nextAd()" height=100 width=150 border=0 name=imgInit></a>