万网首页js图片切换广告代码

<style type="text/css">
.picshow { z-index:444; position:relative; background-color:#e4f2fa; width: 100%; height: 250px}
.picshow_main { position: relative; width: 690px; height: 250px}
.picshow_main .imgbig { filter: progid:dximagetransform.microsoft.wipe(gradientsize=1.0,wipestyle=4, motion=forward); width: 690px; height: 250px}
.picshow_change {position: absolute; text-align: left; bottom: 0px; height: 30px; right: 0px; left: 600px;}
.picshow_change img {width:15px; height: 15px}
.picshow_change a { border: 1px solid; display: block; float: left; margin-right: 5px; -display: inline}
a.axx { border-color: #555}
a.axx:hover {border-color: #000}
a.axx img { filter: alpha(opacity=40); opacity: 0.4; -moz-opacity: 0.4}
a.axx:hover img {filter: alpha(opacity=100); opacity: 1.0; -moz-opacity: 1.0}
a.bxx { border-color: #000}
a.bxx:hover {border-color: #000}
img{
border:0px}
</style>
<SCRIPT language=javascript>
//图片滚动展示 Start
var counts = 3;
//大图//欢迎来到站长特效网。
img1 = new Image();
img1.src = 'http://images1.www.net.cn/static/images/index_ad100127.jpg';
img2 = new Image();
img2.src = 'http://images1.www.net.cn/static/images/index_ad091225.jpg';
img3 = new Image();
img3.src = 'http://images1.www.net.cn/static/images/index_ad091230.jpg';

var smallImg = new Array();
//小图
smallImg[0] = 'http://images1.www.net.cn/static/images/index_adb1.gif';
smallImg[1] = 'http://images1.www.net.cn/static/images/index_adb2.gif';
smallImg[2] = 'http://images1.www.net.cn/static/images/index_adb3.gif';

//链接地址
url1 = new Image();
url1.src = 'http://www.jz123.cn/';
url2 = new Image();
url2.src = 'http://ziti.jz123.cn';
url3 = new Image();
url3.src = 'http://ziti.jz123.cn';
//alt值
alt1 = new Image();
alt1.alt = '现在购买虚拟主机免费开通在线客服功能（渠道除外）';
alt2 = new Image();
alt2.alt = '建站普及风暴，圣诞元旦礼上礼';
alt3 = new Image();
alt3.alt = '冬日暖阳 年度双薪';
////欢迎来到站长特效网.
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');
eval('document.getElementById("pic").alt=alt' + nn + '.alt');
if (nn == 1) {
document.getElementById("url").target = "_blank";
document.getElementById("url").style.cursor = "pointer";
} else {
document.getElementById("url").target = "_blank"
document.getElementById("url").style.cursor = "pointer"
}

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()', 7000);
}
function changeimg(n) {
nn = n;
window.clearInterval(tt);
change_img();
}
function ImageShow() {
document.write('<div class="picshow_main">');
document.write('<div><a id="url"><img id="pic" class="imgbig" /></a></div>');
document.write('<div class="picshow_change">');
for ( var i = 0; i < counts; i++) {
document.write('<a href="javascript:changeimg(' + (i + 1)
+ ');" id="xxjdjj' + (i + 1)
+ '" class="axx" target="_self"><img src="' + smallImg[i]
+ '"></a>');
}
document.write('</div></div>');
change_img();
}
//图片滚动展示 End
</SCRIPT>
<SCRIPT language="javascript" type="text/javascript">
ImageShow();
</SCRIPT>