代码简介：
这个滑动门特效不错，可以设定时间，自动循环切换，也可以鼠标控制，而且选项卡也比较漂亮，在新浪和百度见到过这种自动切换的TAB，很实用，代码也简洁。
代码内容：
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>可自动定时切换的选项卡/滑动门导航代码_网页代码站(www.webdm.cn)</title>
<style>
#index_yp { 235px ; height:300px ; float:left }
.index_yp_card { 235px ; height:37px ; float:left }
.yp_card_0, .yp_card_2, .yp_card_4 { 55px ; height:37px ; float:left ;
background-image:url(http://www.webdm.cn/images/20090922/index_yp_card.png) ; text-align:center ;
color:#003366 ; font-weight:bold ; line-height:32px ;cursor:pointer}
.yp_card_1, .yp_card_3, .yp_card_5, .yp_card_6 { 45px ; height:37px ; float:left
; background-image:url(http://www.webdm.cn/images/20090922/index_yp_card.png) ; text-align:center ;
color:#333333 ; line-height:32px ;cursor:pointer}
.yp_card_0 { background-position:0px 0px }
.yp_card_1 { background-position:-55px 0px }
.yp_card_2 { background-position:-100px 0px }
.yp_card_3 { background-position:-155px 0px }
.yp_card_4 { background-position:-200px 0px }
.yp_card_5 { background-position:-255px 0px }
.yp_card_6 { background-position:-300px 0px }
.index_yp_main { 215px ; height:262px ; float:left ; border:1px solid #71B3C6 ; border-
top:0px!important ; padding:0px 9px 0px 9px }
.yp_main_content { 201px ; height:33px ; float:left ; border:1px solid #BCDCE4 ;
background-color:#F1F8FA ; margin-bottom:7px ; padding:3px 6px 3px 6px ;overflow:hidden }
.yp_main_content dt { 201px;height:13px;float:left;font-
weight:normal;margin:0px;font-size:12px;padding-top:2px}
.yp_main_content dd { 201px;line-height:13px;float:left;font-
weight:normal;margin:0px;font-size:12px;padding-top:3px;text-align:right}
.yp_main_content img { padding:0px 0px 2px 3px}
.yp_main_list { 215px ; float:left }
#index_m2_ad { 690px ; height:100px ; padding:5px 0px 0px 5px ; float:left }
</style>
</head>
<body>
<div id="index_yp">
<!--yp1 start-->
<div id="yp_card1" style="display:block">
<div class="index_yp_card">
<div onmouseover="changeMc(1,1)" onmouseout="hi()" class="yp_card_0">ASP</div>
<div onmouseover="changeMc(1,2)" onmouseout="hi()" class="yp_card_3">PHP</div>
<div onmouseover="changeMc(1,3)" onmouseout="hi()" class="yp_card_3">JSP</div>
<div onmouseover="changeMc(1,4)" onmouseout="hi()" class="yp_card_3">VC++</div>
<div onmouseover="changeMc(1,5)" onmouseout="hi()" class="yp_card_5">综合</div>
</div>
<div onmouseover="changeMc(1,1)" onmouseout="hi()" class="index_yp_main">ASP(循环周期(1秒))</div>
</div>
<!--end-->
<!--yp2 start-->
<div id="yp_card2" style="display:none">
<div class="index_yp_card">
<div onmouseover="changeMc(2,1)" onmouseout="hi()" class="yp_card_1">ASP</div>
<div onmouseover="changeMc(2,2)" onmouseout="hi()" class="yp_card_2" >PHP</div>
<div onmouseover="changeMc(2,3)" onmouseout="hi()" class="yp_card_3">JSP</div>
<div onmouseover="changeMc(2,4)" onmouseout="hi()" class="yp_card_3">VC++</div>
<div onmouseover="changeMc(2,5)" onmouseout="hi()" class="yp_card_5">综合</div>
</div>
<div onmouseover="changeMc(2,2)" onmouseout="hi()" class="index_yp_main">PHP(循环周期(1秒))</div>
</div>
<!--end-->
<!--yp3 start-->
<div id="yp_card3" style="display:none">
<div class="index_yp_card">
<div onmouseover="changeMc(3,1)" onmouseout="hi()" class="yp_card_1">ASP</div>
<div onmouseover="changeMc(3,2)" onmouseout="hi()"class="yp_card_6">PHP</div>
<div onmouseover="changeMc(3,3)" onmouseout="hi()" class="yp_card_2">JSP</div>
<div onmouseover="changeMc(3,4)" onmouseout="hi()" class="yp_card_3">VC++</div>
<div onmouseover="changeMc(3,5)" onmouseout="hi()" class="yp_card_5">综合</div>
</div>
<div onmouseover="changeMc(3,3)" onmouseout="hi()" class="index_yp_main">JSP(循环周期(1秒))</div>
</div>
<!--end-->
<!--yp4 start-->
<div id="yp_card4" style="display:none">
<div class="index_yp_card">
<div onmouseover="changeMc(4,1)" onmouseout="hi()" class="yp_card_1">ASP</div>
<div onmouseover="changeMc(4,2)" onmouseout="hi()" class="yp_card_6">PHP</div>
<div onmouseover="changeMc(4,3)" onmouseout="hi()" class="yp_card_6">JSP</div>
<div onmouseover="changeMc(4,4)" onmouseout="hi()" class="yp_card_2">VC++</div>
<div onmouseover="changeMc(4,5)" onmouseout="hi()" class="yp_card_5">综合</div>
</div>
<div onmouseover="changeMc(4,4)" onmouseout="hi()" class="index_yp_main">VC++(循环周期(1秒))</div>
</div>
<!--end-->
<!--yp5 start-->
<div id="yp_card5" style="display:none">
<div class="index_yp_card">
<div onmouseover="changeMc(5,1)" onmouseout="hi()" class="yp_card_1">ASP</div>
<div onmouseover="changeMc(5,2)" onmouseout="hi()" class="yp_card_6">PHP</div>
<div onmouseover="changeMc(5,3)" onmouseout="hi()" class="yp_card_6">JSP</div>
<div onmouseover="changeMc(5,4)" onmouseout="hi()" class="yp_card_6">VC++</div>
<div onmouseover="changeMc(5,5)" onmouseout="hi()" class="yp_card_4">综合</div>
</div>
<div onmouseover="changeMc(5,5)" onmouseout="hi()" class="index_yp_main">综合(循环周期(1秒))</div>
</div>
<!--end-->
</div>
<script language="javascript" type="text/javascript">
<!--
var s=5;
var t=1000;//循环周期(1秒)
var timer;
function changeMc(x,y){
// x是当前显示的层 y是即将显示的层
clearTimeout(timer);
if (x!=y){
document.getElementById('yp_card'+x).style.display = "none";
document.getElementById('yp_card'+y).style.display = "block";
s=y
}
}
function hi(){
timer=setTimeout("sh()",t)
}
function sh(){
s=(s>=5)?1:s+1
for (var i=1;i<=5;i++){
document.getElementById("yp_card"+i).style.display = "none";
}
document.getElementById("yp_card"+s).style.display = "block"
timer=setTimeout("sh()",t)
}
sh()
-->
</script>
</body>
</html>
<br>
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代码来自：http://www.webdm.cn/webcode/450a0d7e-f1d0-4a33-baf0-4fcb80b5a6e7.html