如何用JavaScript代码写出对联广告和广告轮换，小弟急需？？？？ - ASP.NET技术论坛

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@charset "gb2312";
table,td,select,input,div {font-size:12px;}
body { font-size:12px; padding:0; margin:0; height:auto;}
a img {border:0;}
form,input,select,ul,li{margin:0;padding:0;}

-->
</style></head>
<body>
<style type="text/css">
/* 数字按钮框样式 */
#imgTitle {FILTER:ALPHA(opacity=70);position:relative;left:0px;text-align:left;overflow: hidden;}
#imgTitle_up {left:0px;text-align: left; height:1px; width:inherit; }
#imgTitle_down {left:0px;text-align: right; width:inherit; }
/* 图片框样式 */
.imgClass {border: 0px solid #000;}
/* 图片文字框样式 */
#txtFrom {text-align: center;vertical-align: middle;}
/* 数字按钮样式 */
.button {text-decoration: none;padding: 2px 7px;background: #7B7B63;margin: 0px;font: bold 9px sans-serif; border-left:#fff 1px solid;}
a.button, a.button:link, a.button:visited {font-family: sans-serif;text-decoration: none;color:#FFFFFF;background-color: #000000;}
a.button:hover {font-family: sans-serif;text-decoration: none;color:#fff;background:#fff; }
.buttonDiv {background: #000000;height: 1px;width: 21px;float: left;text-align: center; vertical-align: middle;}
/*渐变*/
.trans { width:90px; background-color:#000;filter : progid:DXImageTransform.Microsoft.Alpha(startX=0, startY=0, finishX=100, finishY=100,style=1,opacity=0,finishOpacity=40);}
</style>
<script language="javascript" type="text/javascript">
var imgWidth=365; //图片宽
var imgHeight=120; //图片高
var textFromHeight=0; //焦点字框高度 (单位为px)
var textStyle="f12"; //焦点字class style (不是连接class)
var textLinkStyle="p1"; //焦点字连接class style
var buttonLineOn="#f60"; //button下划线on的颜色
var buttonLineOff="#000"; //button下划线off的颜色
var TimeOut=5000; //每张图切换时间 (单位毫秒);
var imgUrl=new Array();
var imgLink=new Array();
var imgtext=new Array();
var imgAlt=new Array();
var adNum=0;
//焦点字框高度样式表开始
document.write('<style type="text/css">');
document.write('#focuseFrom{width:'+(imgWidth+2)+';margin: 0px; padding:0px;height:'+(imgHeight+textFromHeight)+'px; overflow:hidden;}');
document.write('#txtFrom{height:'+textFromHeight+'px;line-height:'+textFromHeight+'px;width:'+imgWidth+'px;overflow:hidden;}');
document.write('#imgTitle{width:'+imgWidth+';top:-'+(textFromHeight+16)+'px;height:18px}');
document.write('</style>');
document.write('<div id="focuseFrom">');
//焦点字框高度样式表结束

imgUrl[1]='http://www.pconline.com.cn/test/toptitle/images/picpath/2006729_019d1a0005f3d464862.jpg';
imgtext[1]='<A HREF="http://www.pconline.com.cn/diy/display/guides/0703/973956.html" TARGET="_blank" class="'+textLinkStyle+'">DIY</A>';
imgLink[1]='http://www.pconline.com.cn/diy/display/guides/0703/973956.html';
imgAlt[1]='DIY';

imgUrl[2]='http://www.pconline.com.cn/test/toptitle/images/picpath/jiadian_ht070306365120.jpg';
imgtext[2]='<A HREF="http://www.pconline.com.cn/digital/family/syfa/fatj/0703/973842.html " TARGET="_blank" class="'+textLinkStyle+'">数字家电</A>';
imgLink[2]='http://www.pconline.com.cn/digital/family/syfa/fatj/0703/973842.html ';
imgAlt[2]='数字家电';

imgUrl[3]='http://www.pconline.com.cn/test/toptitle/images/picpath/11723686r6.jpg';
imgtext[3]='<A HREF="http://www.pconline.com.cn/digital/photo/" TARGET="_blank" class="'+textLinkStyle+'">摄影部落</A>';
imgLink[3]='http://www.pconline.com.cn/digital/photo/';
imgAlt[3]='摄影部落';

imgUrl[4]='http://www.pconline.com.cn/test/toptitle/images/picpath/vistaue070306.jpg';
imgtext[4]='<A HREF="http://www.pconline.com.cn/pcclub/" TARGET="_blank" class="'+textLinkStyle+'">论坛</A>';
imgLink[4]='http://www.pconline.com.cn/pcclub/';
imgAlt[4]='论坛';

}
document.write('<a id="imgLink" href="'+imgLink[1]+'" target=_blank class="p1"><img src="'+imgUrl[1]+'" name="imgInit" width='+imgWidth+' height='+imgHeight+' border=1 alt="'+imgAlt[1]+'" class="imgClass"></a><div id="txtFrom"><span id="focustext" class="'+textStyle+'">'+imgtext[1]+'</span></div>')
document.write('<div id="imgTitle">');
document.write('<div id="imgTitle_down">');
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
nextAd();
}
//NetScape结束
//IE开始
else
{
var count=0;
for (i=1;i<imgUrl.length;i++) {
if( (imgUrl[i]!="") && (imgLink[i]!="")&&(imgtext[i]!="")&&(imgAlt[i]!="") ) {
count++;
} else {
break;
}
}
function playTran(){
if (document.all)
imgInit.filters.revealTrans.play();
}
var key=0;
function nextAd(){
if(adNum<count)adNum++ ;
else adNum=1;

if( key==0 ){
key=1;
} else if (document.all){
imgInit.filters.revealTrans.Transition=6;
imgInit.filters.revealTrans.apply();
playTran();
}
document.images.imgInit.src=imgUrl[adNum];
document.images.imgInit.alt=imgAlt[adNum];
document.getElementById('link'+adNum).style.background=buttonLineOn;
for (var i=1;i<=count;i++)
{
if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}
}
focustext.innerHTML=imgtext[adNum];
theTimer=setTimeout("nextAd()", TimeOut);
}
document.write('<a target=_self href="javascript:goUrl()"><img style="FILTER: revealTrans(duration=1,transition=5);" src="javascript:nextAd()" width='+imgWidth+' height='+imgHeight+' border=0 vspace="0" name=imgInit class="imgClass"></a>');
document.write('<div id="txtFrom"><span id="focustext" class="'+textStyle+'"></span></div>');
document.write('<div id="imgTitle">');
document.write(' <div id="imgTitle_down"> <a class="trans"></a>');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a id="link'+i+'" href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'" onFocus="this.blur()">'+i+'</a>');}
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
}
//IE结束
</script>
</body>
</html>
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这个是我之前在太平洋那里COPY下来的。你自己看着改吧`