调试易

body{background:black} 
.point{position:absolute;height:75px;border:1px silver solid} 
#round{position:absolute;background:red;width:200px;height:200px;} 
</style> 
<script> 
    var r=200,dv=0.01,w=100,x=400;y=100,pn=8 
    var pi=3.1415926575,d=pi/2; 
    var pd=Math.asin(w/2/r);ed=pi*2/pn;smove=true 
    function window.onload(){ 
        var o=document.getElementById("imground"); 
        var arrimg=o.getElementsByTagName("img"); 
        for (n=0;n<arrimg.length;n++){ 
            arrimg[n].onmouseout=function(){smove=true;} 
            arrimg[n].onmouseover=function(){smove=false;} 
            arrimg[n].onmousedown=function(){dv=dv*2} 
        } 
        setInterval(roundMove,20); 
    } 
    function roundMove(){ 
        for (n=1;n<=8;n++){ 
            var o=document.getElementById("p"+n) 
            var ta=Math.sin(d+ed*n); 
            var strFilter; 
            if (ta<0)    o.style.left=Math.cos(d+ed*n-pd)*r+x; 
            else o.style.left=Math.cos(d+ed*n+pd)*r+x; 
            o.style.top=ta*10+10+y; 
            o.style.width=Math.abs(Math.cos(d+ed*n+pd)-Math.cos(d+ed*n-pd))*r; 
            o.style.zIndex=ta*10; 
            if (o.style.zIndex<0) strFilter="FlipH(enabled:true)" 
            else strFilter="FlipH(enabled:false)"; 
            if (ta<0) ta=(ta+1)*80+20; else ta=100; 
            strFilter=strFilter+" alpha(opacity="+ta+")"; 
            o.style.opacity=ta/100; 
            o.style.filter=strFilter; 
        } 
        if (smove) d=d+dv; 
    } 
</script> 
<div id="imground"> 
<img class="point" id="p1" src="2010022312063573.jpg"/> 
<img class="point" id="p2" src="2010022312063573.jpg"/> 
<img class="point" id="p3" src="2010022312063573.jpg"/> 
<img class="point" id="p4" src="2010022312063573.jpg"/> 
<img class="point" id="p5" src="2010022312063573.jpg"/> 
<img class="point" id="p6" src="2010022312063573.jpg"/> 
<img class="point" id="p7" src="2010022312063573.jpg"/> 
<img class="point" id="p8" src="2010022312063573.jpg"/> 
</div>在ie正常 在火狐不显示效果