这段代码主要是实现图片的3D旋转。但是img标签中的onclick事件怎么用不了啊？前提是不能用<a href>标签，结果是：图片可以3D正常旋转，但鼠标点击时没反应。怎么回事啊？
<html>
<head>
<title>JavaScript实现图片旋转构成3D圆环代码</title>
<script language="javascript">
window.onload=function(){
var rt=new imgRound("photo",120,90,260,20,250,0.01);//参数分别表示控件id，单个图片的长和高，空间旋转的原点坐标，旋转半径，旋转速度
setInterval(function(){rt.roundMove()},20);
}
function imgRound(id,w,h,x,y,r,dv,rh,ah){
if (ah==undefined) ah=1;
if (rh==undefined) rh=10;
var dv=dv*ah; //旋转速度
var pi=3.1415926575;
var d=pi/2;
var pd=Math.asin(w/2/r);
var smove=true;
var imgArr=new Array();
var objectId=id;
var o=document.getElementById(objectId);
o.style.position="relative";
var arrimg=o.getElementsByTagName("img");
var pn=arrimg.length; //图片数量
var ed=pi*2/pn;
for (n=0;n<arrimg.length;n++){
var lk=arrimg[n].getAttribute("link");
if (lk!=null) arrimg[n].setAttribute("title",lk)
arrimg[n].onclick=function(){
if (this.getAttribute("link")!=null){
if (this.getAttribute("target")!="_blank") window.location=(this.getAttribute("link"))
else window.open(this.getAttribute("link"))
}
}
arrimg[n].onmouseout=function()
{
smove=true;
}
arrimg[n].onmouseover=function()
{
smove=false;
}
arrimg[n].style.position="absolute";
imgArr.push(arrimg[n]);
}
this.roundMove=function(){
for (n=0;n<=pn-1;n++){
var o=imgArr[n];
var ta=Math.sin(d+ed*n),strFilter;
if (ta<0) o.style.left=Math.cos(d+ed*n-pd)*r+x+"px";
else o.style.left=Math.cos(d+ed*n+pd)*r+x+"px";
o.style.top=ta*rh+rh+y+"px";
var zoom=Math.abs(Math.sin((d+ed*n)/2+pi/4))*0.5+0.5;
o.style.width=Math.abs(Math.cos(d+ed*n+pd)-Math.cos(d+ed*n-pd))*zoom*r+"px";
o.style.height=zoom*h+"px";
if (ta<0) {ta=(ta+1)*80+20;o.style.zIndex=0;}
else {ta=100;o.style.zIndex=1}
if (o.style.zIndex<=0) strFilter="FlipH(enabled:true)"
else strFilter="FlipH(enabled:false)";
strFilter=strFilter+" alpha(opacity="+ta+")";
o.style.opacity=ta/100;
o.style.filter=strFilter;
}
if (smove){
d=d+dv;
}
}
}
</script>
</head>
<body>
<div id="photo" style="width:540px;height:150px;border:1px solid red; background-color:White">
<img src="image/1.jpg" onclick="location='http://www.baidu.com'">
<img src="image/1.jpg" onclick="location='http://www.baidu.com'">
<img src="image/1.jpg" onclick="location='http://www.baidu.com'">
<img src="image/1.jpg" onclick="location='http://www.baidu.com'">
<img src="image/1.jpg" onclick="location='http://www.baidu.com'">
</div>
</body>
</html>
