网站首页js幻灯片代码

JS图片幻灯片，网站首页专用的图片特效代码，旅游网站用着最合适了，支持图片说明，每一幅图片都可以加标题和简短的文字介绍，右下角有图片切换控制按钮，示例中仅有5张图片，不过在实际应用中，你可以添加更多的图片。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JS图片幻灯片</title>
<style>
*{margin:0;padding:0;}
ul,li,ol{ list-style:none;}
img,a img{ border:none;}
table{ border-collapse:collapse; border-spacing:0;}
em,i,u{ font-style:normal;}
a{ text-decoration:none;color:#434343;}
a:hover{ text-decoration:underline; color:#ff4000;}
body{font-size:12px; font-family:"宋体";color:#434343;}
.clear{clear:both;  font-size:0; overflow:hidden; height:0;}
.blank10{clear:both;  font-size:0; overflow:hidden; height:10px;}
.blank{clear:both;  font-size:0; overflow:hidden; height:10px; background:#FFF;}
/*********content css定义***********/
#content{960px;margin:0 auto;}
h1,h2,h3{ font-family:"微软雅黑";color:#00659b;}
h1,h2,h3,h4,h5,h6{ font-weight:bold;}
#footer{padding-bottom:0;margin:0px auto 0;}
/*********main css定义***********/
.mb15 {margin-bottom: 0px;}
#main{960px; margin:6px auto 10px; overflow:hidden;}
/*********图片切换 css定义***********/
.sub_box{663px; height:310px; float:left; position:relative; overflow:hidden; border:1px solid #cccccc; background:url() center center no-repeat; *background:url() 220px 120px no-repeat;}
.sub_box img{border:none; 663px; height:310px;}
#bd1lfimg{position:relative; 663px; height:310px; overflow:hidden;}
#bd1lfimg div{100000px; margin-left:-4px;}
#bd1lfimg dl{663px; height:310px; position:relative; overflow:hidden; float:left;}
#bd1lfimg dt{663px; height:310px; position:absolute; left:0px; top:0px;}
#bd1lfimg dd{623px; height:80px; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; position:absolute; left:0px; bottom:0px; padding:0 20px;}
#bd1lfimg dd h2{height:25px; padding:8px 0 4px 0; line-height:25px; overflow:hidden;}
#bd1lfimg dd h2 a{font-size:14px; font-weight:bold; color:#ffffff;}
#bd1lfimg dd a{color:#ffffff; text-decoration:none;}
#bd1lfimg dd a:hover{text-decoration:none; color:#cccccc;}
#bd1lfimg dd tt{color:#dddddd; line-height:1.2em;}
#bd1lfimg dd tt a:hover{text-decoration:underline;}
.sub_nav{663px; height:25px; bottom:0px; position:absolute; color:#999999; z-index:200;}
.sub_no{height:25px; float:right;}
.sub_no li{display:block; 25px; height:25px; float:left; overflow:hidden; line-height:25px; vertical-align:middle; text-align:center; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; font-family:Arial; font-size:11px; color:#999999; cursor:pointer;}
.sub_no li.show{background:#ffffff; color:#000000;}
.sub_more{float:right; 50px; height:25px; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; color:#999999; text-align:center; line-height:25px;}
.sub_more a{color:#999999;}
.sub_more a:hover{color:#cccccc; text-decoration:none;}
</style>
<script type="text/javascript">
//选择器
function $a(id,tag){var re=(id&&typeof id!="string")?id:document.getElementById(id);if(!tag){return re;}else{return re.getElementsByTagName(tag);}}

//焦点滚动图 点击移动
function movec()
{
	var o=$a("bd1lfimg","");
	var oli=$a("bd1lfimg","dl");
    var oliw=oli[0].offsetWidth; //每次移动的宽度	 
	var ow=o.offsetWidth-2;
	var dnow=0; //当前位置	
	var olf=oliw-(ow-oliw+10)/2;
		o["scrollLeft"]=olf+(dnow*oliw);
	var rqbd=$a("bd1lfsj","ul")[0];
	var extime;

	<!--for(var i=1;i<oli.length;i++){rqbd.innerHTML+="<li>"+i+"</li>";}-->
	var rq=$a("bd1lfsj","li");
	for(var i=0;i<rq.length;i++){reg(i);};
	oli[dnow].className=rq[dnow].className="show";
	var wwww=setInterval(uu,2000);

	function reg(i){rq[i].onclick=function(){oli[dnow].className=rq[dnow].className="";dnow=i;oli[dnow].className=rq[dnow].className="show";mv();}}
	function mv(){clearInterval(extime);clearInterval(wwww);extime=setInterval(bc,15);wwww=setInterval(uu,8000);}
	function bc()
	{
		var ns=((dnow*oliw+olf)-o["scrollLeft"]);
		var v=ns>0?Math.ceil(ns/10):Math.floor(ns/10);
		o["scrollLeft"]+=v;if(v==0){clearInterval(extime);oli[dnow].className=rq[dnow].className="show";v=null;}
	}
	function uu()
	{
		if(dnow<oli.length-2)
		{
			oli[dnow].className=rq[dnow].className="";
			dnow++;
			oli[dnow].className=rq[dnow].className="show";
		}
		else{oli[dnow].className=rq[dnow].className="";dnow=0;oli[dnow].className=rq[dnow].className="show";}
		mv();
	}
	o.onmouseover=function(){clearInterval(extime);clearInterval(wwww);}
	o.onmouseout=function(){extime=setInterval(bc,15);wwww=setInterval(uu,8000);}
}
</script>	
	
</head>

<body>

	<!-------- content start --------->
	<div id="content">


		<!-- ===================== header end ===================== -->
	

	<!--------main begin--------->
	<div id="main">

		<!-----------图片切换  begin----------->
		<div class="sub_box">
			<div id="p-select" class="sub_nav">
				<div class="sub_more"><a href="/" onfocus="this.blur()" title="查看更多目的地旅游指南" style="font-family: Tahoma; font-size: 12px;" target="_blank">更多>></a></div>
				<div class="sub_no" id="bd1lfsj">
					<ul>
						<li class="show">1</li><li class="">2</li><li class="">3</li><li class="">4</li><li class="">5</li>
					</ul>
				</div>
			</div>
			<div id="bd1lfimg">
				<div>
					<dl class="show"></dl>
										<dl class="">
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						</dd>
					</dl>
										<dl class="">
						<dt><a href="#" title="" target="_blank"><img src="http://www.codefans.net/jscss/demoimg/wall4.jpg" alt="2011西安世园会攻略"></a></dt>
						<dd>
							<h2><a href="http://www.codefans.net/" target="_blank">2011西安世园会攻略</a></h2>
							<tt><a href="#" target="_blank">提供最全面西安世园会资讯、西安世园会参观指南、西安世园会旅游…</a></tt>
						</dd>
					</dl>
										<dl class="">
						<dt><a href="http://www.codefans.net/" title="" target="_blank"><img src="http://www.codefans.net/jscss/demoimg/wall5.jpg" alt="五月乐享懒人天堂塞班岛"></a></dt>
						<dd>
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						</dd>
					</dl>
									</div>
			</div>
		</div>
		<script type="text/javascript">movec();</script>
		<!-----------图片切换  end----------->
	</div>
	<!--------main end--------->
</div>
</body>
</html>