JavaScript实现相册幻灯片效果

<style type="text/css">
.woon{border:1px solid #fff;}
.wooff{border:1px solid #D85C8A;filter:progid:DXImagetransform.Microsoft.Alpha(style=1,opacity=100,finishOpacity=0);}
</style>
<table width=252 border=0 align=center cellPadding=0 cellSpacing=0  background="http://img1.qq.com/lady/pics/3931/3931550.jpg">
    <tr>
      <td height="470" align="center">
        <div id=fc style="filter:progid:DXImagetransform.Microsoft.GradientWipe(duration=3,gradientSize=0.5,motion=forward ); WIDTH:240px; HEIGHT:454px; border:1px solid #D85C8A">
          <div style="display:block"><a
                  href="http://lady.qq.com/a/20081202/000001.htm" target=_blank><img onMouseOver=clearAuto();
                  onMouseOut=setAuto() height=454
                  src="http://mat1.qq.com/lady/images/index/2008/12/02/hot1.jpg" width=240 border=0></a></div>
         
        <div style="display: none"><a href="http://lady.qq.com/zt/2008/damingxing/index.htm" target="_blank"><img onmouseover=clearAuto();
                  onmouseout=setAuto() height=454
                  src="http://mat1.qq.com/lady/images/index/2008/11/23/f2.jpg" width=240 border=0></a></div>
         
        <div style="display: none"><A href="http://lady.qq.com/a/20081202/000031.htm" target=_blank><img onmouseover=clearAuto();
                  onmouseout=setAuto() height=454
                  src="http://mat1.qq.com/lady/images/index/2008/12/02/hot3.jpg" width=240 border=0></A></div>

        <div style="display: none"><a href="http://lady.qq.com/a/20081202/000013.htm" target=_blank><img onmouseover=clearAuto();
                  onmouseout=setAuto() height=454
                  src="http://mat1.qq.com/lady/images/index/2008/12/02/hot4.jpg" width=240 border=0></a></div>
      </div></td>
    </tr>
    <tr>
      <td height=99 valign="top"> <table border=0 align=center cellPadding=0 cellSpacing=1 id=num>      
          <tr>
            
          <td class="woon" onmouseover=clearAuto(); onclick=Mea(0); onmouseout=setAuto()
                           ><img src="http://mat1.qq.com/lady/images/index/2008/12/02/hot01.jpg" width="57" height="90" style="cursor: hand" onDblClick="MM_openBrWindow('http://lady.qq.com/a/20081202/000001.htm','','')"></td>
            
          <td class="wooff" onmouseover=clearAuto();
                            onclick=Mea(1); onmouseout=setAuto()
                           ><img src="http://mat1.qq.com/lady/images/index/2008/11/23/s2.jpg" width="57" height="90" border="0" style="cursor: hand" onDblClick="MM_openBrWindow('http://lady.qq.com/zt/2008/damingxing/index.htm','','')"></td>

           <td class="wooff" onmouseover=clearAuto();
                            onclick=Mea(2); onmouseout=setAuto()
                           ><img src="http://mat1.qq.com/lady/images/index/2008/12/02/hot03.jpg" width="57" height="90" border="0" style="cursor: hand" onDblClick="MM_openBrWindow('http://lady.qq.com/a/20081202/000031.htm','','')"></td>
            
          <td class="wooff" onmouseover=clearAuto();
                            onclick=Mea(3); onmouseout=setAuto()
                           ><img src="http://mat1.qq.com/lady/images/index/2008/12/02/hot04.jpg" width="57" height="90" style="cursor: hand" onDblClick="MM_openBrWindow('http://lady.qq.com/a/20081202/000013.htm','','')"></td>
     
      </table></td>
    </tr>
</table>
<script>
var n=0;
var showNum = document.getElementById("num");
function Mea(value){
    n=value;

    setBg(value);

    plays(value);

    }
function setBg(value){
    for(var i=0;i<4;i++)
   if(value==i){
        showNum.getElementsByTagName("td")[i].className='woon';
        }
    else{   
        showNum.getElementsByTagName("td")[i].className='wooff';
        } 
    }
function plays(value){
    with (fc){
        filters[0].Apply();
        for(i=0;i<4;i++)i==value?children[i].style.display="block":children[i].style.display="none";
        filters[0].play();        
        }   
}
function clearAuto(){clearInterval(autoStart)}
function setAuto(){autoStart=setInterval("auto(n)", 5000)}
function auto(){
    n++;
    if(n>3)n=0;
    Mea(n);
}
function sub(){
    n--;
    if(n<0)n=3;
    Mea(n);
}
setAuto();
</script>
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