请问大神们，我想在点击图片时打开对应网页，怎么加链接啊

以下是代码，请各位大神赐教
<table width="980" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="280"><SCRIPT language=Javascript>
var bannerADd=new Array();
var bannerADdlink=new Array();
var bannerADdtarget=new Array();
var adNumd=0;
bannerADd[0]="images/index_top_t1.jpg";
bannerADdlink[0]="shownews.asp?id=717";
bannerADdtarget[0]="_blank";
bannerADd[1]="images/index_top_t2.jpg";
bannerADdlink[1]="shownews.asp?id=717";
bannerADdtarget[1]="_blank";
bannerADd[2]="images/index_dt_bj.jpg";
bannerADdlink[2]="shownews.asp?id=717";
bannerADdtarget[2]="_blank";
bannerADd[3]="images/index_zsxx.jpg";
bannerADdlink[3]="shownews.asp?id=717";
bannerADdtarget[3]="_blank";
var preloadedimages=new Array();
for (i=1;i<bannerADd.length;i++){
preloadedimages[i]=new Image();
preloadedimages[i].src=bannerADd[i];
}
function setTransitiond(){
if (document.all){
bannerADdrotator.filters.revealTrans.Transition=12;
bannerADdrotator.filters.revealTrans.apply();
}
}
function playTransitiond(){
if (document.all)
bannerADdrotator.filters.revealTrans.play()
}
function nextAdd(){
if(adNumd<bannerADd.length-1)adNumd++ ;
else adNumd=0;
setTransitiond();
document.images.bannerADdrotator.src=bannerADd[adNumd];
playTransitiond();
theTimer=setTimeout("nextAdd()", 4000);
}
function displayStatusMsg1() {
status=bannerADdlink[adNumd];
document.returnValue = true;
}
</SCRIPT>
<IMG style="FILTER: revealTrans(duration=1,transition=12)"
src="/images/index_top_t2.jpg" width="980" height="284" border=0
name=bannerADdrotator a href="shownews.asp?id=717">
<SCRIPT language=JavaScript>nextAdd()</SCRIPT></td>
</tr>
</table>