html
<body> <div id="banner"> <div id="banner_bg"></div><!--标题背景--> <div id="banner_info"></div><!--标题--> <ul> <li class="on">1</li> <li>2</li> <li>3</li> <li>4</li> </ul> <div id="banner_list"> <a href="#" target="_blank"><img src="imgs/p1.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a> <a href="#" target="_blank"><img src="imgs/p5.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a> <a href="#" target="_blank"><img src="imgs/p3.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a> <a href="#" target="_blank"><img src="imgs/p4.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a> </div> </div> </body>
css
<style type="text/css">
#banner {position:relative; 478px; height:286px; border:1px solid #666; overflow:hidden;}
#banner_list img {border:0px;}
#banner_bg {position:absolute; bottom:0;background-color:#000;height:30px;filter: Alpha(Opacity=30);opacity:0.3;z-index:1000;
cursor:pointer; 478px;}
#banner_info{position:absolute; bottom:0; left:5px;height:22px;color:#fff;z-index:1001;cursor:pointer}
#banner_text {position:absolute;120px;z-index:1002; right:3px; bottom:3px;}
#banner ul {position:absolute;list-style-type:none;filter: Alpha(Opacity=80);opacity:0.8; border:1px solid #fff;z-index:1002;
margin:0; padding:0; bottom:3px; right:5px;}
#banner ul li { padding:0px 8px;float:left;display:block;color:#FFF;border:#e5eaff 1px solid;background:#6f4f67;cursor:pointer}
#banner ul li.on { background:#900}
#banner_list a{position:absolute;} <!-- 让四张图片都可以重叠在一起-->
</style>
jquery
< script type = "text/javascript" >
var t = n = 0,
count;
$(document).ready(function() {
count = $("#banner_list a").length;
$("#banner_list a:not(:first-child)").hide();
$("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt'));
$("#banner_info").click(function() {
window.open($("#banner_list a:first-child").attr('href'), "_blank")
});
$("#banner li").click(function() {
var i = $(this).text() - 1; //获取Li元素内的值,即1,2,3,4
n = i;
if (i >= count) return;
$("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt'));
$("#banner_info").unbind().click(function() {
window.open($("#banner_list a").eq(i).attr('href'), "_blank")
})
$("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
document.getElementById("banner").style.background = "";
$(this).toggleClass("on");
$(this).siblings().removeAttr("class");
});
t = setInterval("showAuto()", 4000);
$("#banner").hover(function() {
clearInterval(t)
}, function() {
t = setInterval("showAuto()", 4000);
});
})
function showAuto() {
n = n >= (count - 1) ? 0 : ++n;
$("#banner li").eq(n).trigger('click');
} < /script>