仿迅雷焦点广告效果(JQuery版)

$(document).ready(function(){
var imgUrl = new Array();
var title = new Array();
var description = new Array();
var imgLink = new Array();
var local;
var count;

local = 1; //指针位置
count = 7; //图片数量
imgUrl[1] = "Images/ceshi.jpg";
imgUrl[2] = "Images/ceshi1.jpg";
imgUrl[3] = "Images/ceshi.jpg";
imgUrl[4] = "Images/ceshi1.jpg";
imgUrl[5] = "Images/ceshi.jpg";
imgUrl[6] = "Images/ceshi1.jpg";
imgUrl[7] = "Images/ceshi.jpg";
title[1] = "测试一下1";
title[2] = "测试一下2";
title[3] = "测试一下3";
title[4] = "测试一下4";
title[5] = "测试一下5";
title[6] = "测试一下6";
title[7] = "测试一下7";
description[1] = "描述一下1";
description[2] = "描述一下2";
description[3] = "描述一下3";
description[4] = "描述一下4";
description[5] = "描述一下5";
description[6] = "描述一下6";
description[7] = "描述一下7";
imgLink[1] = "ceshi1.asp";
imgLink[2] = "ceshi2.asp";
imgLink[3] = "ceshi3.asp";
imgLink[4] = "ceshi4.asp";
imgLink[5] = "ceshi5.asp";
imgLink[6] = "ceshi6.asp";
imgLink[7] = "ceshi7.asp";

function showImage(){
$("#Buttons div").each(function(){
if($(this).attr("id") == "B"+local){
$(this).attr("class","Menu_On");
$(this).addClass("active");
$("#AdImage").attr("src",imgUrl[local]);
$("#AdTitle a").html(title[local]);
$("#AdDescription a").html(description[local]);
$("#Images a").attr("href",imgLink[local]);
}else{
$(this).removeClass("active");
$(this).attr("class","Menu_Off");
}
});
local++;
if(local > count){
local = 1;
}
theTimer = setTimeout(function(){showImage()},3000);
}

$("#Buttons div").click(function(){
local = $(this).attr("id").replace("B","");
var cid = $(this).attr("id");
$("#Buttons div").each(function(){
if($(this).attr("id") == cid){
$(this).addClass("active");
$("#AdImage").attr("src",imgUrl[$(this).attr("id").replace("B","")]);
$("#AdTitle a").html(title[$(this).attr("id").replace("B","")]);
$("#AdDescription a").html(description[$(this).attr("id").replace("B","")]);
$("#Images a").attr("href",imgLink[$(this).attr("id").replace("B","")]);
}else{
$(this).removeClass("active");
$(this).attr("class","Menu_Off");
}
});
window.clearInterval(theTimer);
showImage();
});
$("#Buttons div").mouseover(function(){
if($(this).attr("id") != "Top"){
$(this).css("cursor","pointer");
}
if($(this).attr("class") == "Menu_Off"){
$(this).attr("class","Menu_On");
}
});
$("#Buttons div").mouseout(function(){
if($(this).attr("class") == "Menu_On"){
$(this).attr("class","Menu_Off");
}
});

showImage();
});

body{
margin:0px;
padding:0px;
background-color:#FFFFFF;
}
table,th,tr,td,div,span,p{
font-size:9pt;
}
a:link{
color:#FFFFFF;
text-decoration:none;
}
a:visited{
color:#FFFFFF;
text-decoration:none;
}
a:active{
color:#FFFFFF;
text-decoration:none;
}
a:hover{
color:#FF0000;
text-decoration:none;
}
#Images{
position:relative;
width:304px;
height:270px;
border:1px #b6cae3 solid;
background-color:#FFFFFF;
}
#Titles{
width:100%;
height:73px;
right:0px;
bottom:0px;
background-color:#000000;
filter:alpha(opacity=40);
}
.Menu_On{
float:right;
width:15px;
height:18px;
background-color:#000000;
margin-left:2px;
line-height:20px;
color:#FF0000;
}
.Menu_Off{
float:right;
width:15px;
height:18px;
background-color:#000000;
margin-left:2px;
line-height:20px;
color:#FFFFFF;
}
#Top{
float:right;
width:47px;
height:18px;
background-color:#000000;
filter:alpha(opacity=40,finishopacity=100,style=1,startx=0px,starty=18px,finishx=47px,finishy=18px);
}
#AdTitle{
padding-top:10px;
padding-bottom:6px;
font-weight:bold;
color:#FFFFFF;
font-size:18px;
padding-left:10px;
}
#AdDescription{
color:#FFFFFF;
padding-left:10px;
}

<div id="Images">
<a href="ceshi1.asp" target="_blank"><img src="Images/ceshi.jpg" border="0" id="AdImage" /></a>
<div style="position:absolute; right:0px; bottom:0px; height:73px; width:100%;">
<div id="Titles">
<div style="position:absolute; width:100%; height:73px;">
<div id="AdTitle"><a href="ceshi1.asp" target="_blank">测试一下1</a></div>
<div id="AdDescription"><a href="ceshi1.asp" target="_blank">描述一下1</a></div>
<div id="Buttons" style="position:absolute; right:0px; bottom:0px; height:18px; width:100%;" align="right">
<div id="B7" align="center" class="Menu_Off">7</div>
<div id="B6" align="center" class="Menu_Off">6</div>
<div id="B5" align="center" class="Menu_Off">5</div>
<div id="B4" align="center" class="Menu_Off">4</div>
<div id="B3" align="center" class="Menu_Off">3</div>
<div id="B2" align="center" class="Menu_Off">2</div>
<div id="B1" align="center" class="Menu_On active">1</div>
<div id="Top"></div>
</div>
</div>
</div>
</div>
</div>