图片轮播js代码

图片轮播js代码，简洁明了！可代替flash轮播功能！

<div style="width:287px; height:248px; border:solid 1px #cecece;background:#F3F3F3; padding:6px; ">
<SCRIPT language="javascript" type="text/javascript">   
var widths=287;   //宽              
var heights=242;   //高              
var counts=4; 　　　//显示的数量
img1=new Image ();img1.src='images/index/3.jpg';//图片地址
img2=new Image ();img2.src='images/index/4.jpg';
img3=new Image ();img3.src='images/index/2.jpg';
img4=new Image ();img4.src='images/index/1.jpg';
url1=new Image ();url1.src='http://URL?action-viewnews-itemid-2439';//图片链接的URL
url2=new Image ();url2.src='http://URL/?action-viewnews-itemid-2386-page-1';
url3=new Image ();url3.src='http://URL/?action-viewnews-itemid-2384-page-4';
url4=new Image ();url4.src='http://URL/?action-viewnews-itemid-2377-page-2';
var nn=1;   
var key=0;   
function change_img()   
{if(key==0){key=1;}   
else if(document.all)   
{document.getElementById("pic").filters[0].Apply();document.getElementById("pic").filters[0].Play(duration=2);}   
eval('document.getElementById("pic").src=img'+nn+'.src');   
eval('document.getElementById("url").href=url'+nn+'.src');   
for (var i=1;i<=counts;i++){document.getElementById("xxjdjj"+i).className='axx';}   
document.getElementById("xxjdjj"+nn).className='bxx';   
nn++;if(nn>counts){nn=1;}   
tt=setTimeout('change_img()',6000);}   
function changeimg(n){nn=n;window.clearInterval(tt);change_img();}   
document.write('<style>');   
document.write('.axx{padding:1px 7px;border-left:#ffffff 1px solid;font-weight: bold;}');   
document.write('a.axx:link,a.axx:visited{text-decoration:none;color:#fff;line-height:14px;font:11px sans-serif;font-weight: bold;}');   
document.write('a.axx:active,a.axx:hover{text-decoration:none;color:#fff;line-height:14px;font:11px sans-serif;font-weight: bold;}');   
document.write('.bxx{padding:1px 7px;border-left:#ffffff 1px solid;font-weight: bold;}');   
document.write('a.bxx:link,a.bxx:visited{text-decoration:none;color:#fff;line-height:14px;font:11px sans-serif;background-color:#ff0000;font-weight: bold;}');   
document.write('a.bxx:active,a.bxx:hover{text-decoration:none;color:#fff;line-height:14px;font:11px sans-serif;background-color:#ff0000;font-weight: bold;}');   
document.write('</style>');   
document.write('<div style="width:'+widths+'px;height:'+heights+'px;overflow:hidden;text-overflow:clip;">');   
document.write('<div><a id="url" target="_blank"><img id="pic" style="border:0px;filter:progid:dximagetransform.microsoft.wipe(gradientsize=1.0,wipestyle=4, motion=forward)" width='+widths+' height='+heights+' /></a></div>');   
document.write('<div style="filter:alpha(style=1,opacity=10,finishOpacity=80);background: #000000;width:100%-2px;text-align:right;top:-14px;position:relative;margin:1px;height:20px;padding:0px;margin:0px;border:0px;">');
for(var i=1;i<counts+1;i++){document.write('<a href="javascript:changeimg('+i+');" id="xxjdjj'+i+'" class="axx" target="_self">'+i+'</a>');}   
document.write('</div></div>');   
change_img();   
</SCRIPT>
</div>