javascript文件冲突,该如何解决

javascript文件冲突
<script   language=JavaScript>  
var   imgUrl=new   Array();  
var   imgLink=new   Array();  
var   adNum=0;  
imgUrl[1]= "../images/562/200406301.jpg ";  
imgLink[1]= "/default.asp ";  
imgUrl[2]= "../images/562/200406302.jpg ";  
imgLink[2]= "/default.asp ";  
imgUrl[3]= "../images/562/200406303.jpg ";  
imgLink[3]= "/default.asp ";  
imgUrl[4]= "../images/562/200406304.jpg ";  
imgLink[4]= "/default.asp ";  
imgUrl[5]= "../images/562/200406305.jpg ";  
imgLink[5]= "/default.asp ";  

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)  
imgInit.filters.revealTrans.play();  
}  
var   key=0;  
function   nextAd(){  
if(adNum <j)adNum++   ;  
else   adNum=1;  

if(   key==0   ){  
key=1;  
}   else   if   (document.all){  
imgInit.filters.revealTrans.Transition=6;  
imgInit.filters.revealTrans.apply();  
playTran();  

}  
document.images.imgInit.src=imgUrl[adNum];  
theTimer=setTimeout( "nextAd() ",   5000);  
}  

function   goUrl(){  
jumpUrl=imgLink[adNum];  
jumpTarget= '_self ';  
if   (jumpUrl   !=   ' '){  
if   (jumpTarget   !=   ' ')  
window.open(jumpUrl,jumpTarget);  
else  
location.href=jumpUrl;  
}  
}  
</script>  
<a   href= "javascript:goUrl() "> <div   aligm=right> <img   style= "FILTER:   revealTrans(duration=2,transition=6);border-color:#000000;color:#000000 "   src= "javascript:nextAd() "   width=150   border=1   class=moviepic   name=imgInit   height= "200 "> </div> </a>  
<!--   动态图结束   -->  

这段代码要应用到同一页面的多处，单独用在一处的时候可以正常显示，可是用在多处的时候却不能正常显示，图片路径不一样，高手帮我解决以下

[解决办法]
自己改改变量名不就可以了吗
[解决办法]
具体看下哪里的代码有一样的吧
[解决办法]
改成function再调用。
[解决办法]
写到一个js文件里面


var imgUrl=new Array();
var imgLink=new Array();
var adNum=0;
imgUrl[1]= "../images/562/200406301.jpg ";
imgLink[1]= "/default.asp ";
imgUrl[2]= "../images/562/200406302.jpg ";
imgLink[2]= "/default.asp ";
imgUrl[3]= "../images/562/200406303.jpg ";
imgLink[3]= "/default.asp ";
imgUrl[4]= "../images/562/200406304.jpg ";
imgLink[4]= "/default.asp ";
imgUrl[5]= "../images/562/200406305.jpg ";
imgLink[5]= "/default.asp ";

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)
imgInit.filters.revealTrans.play();
}
var key=0;
function nextAd(){
if(adNum <j)adNum++ ;
else adNum=1;

if( key==0 ){
key=1;
} else if (document.all){
imgInit.filters.revealTrans.Transition=6;
imgInit.filters.revealTrans.apply();
playTran();

}
document.images.imgInit.src=imgUrl[adNum];
theTimer=setTimeout( "nextAd() ", 5000);
}

function goUrl(){
jumpUrl=imgLink[adNum];
jumpTarget= '_self ';
if (jumpUrl != ' '){
if (jumpTarget != ' ')
window.open(jumpUrl,jumpTarget);
else
location.href=jumpUrl;
}
}