Ajax标签导航效果. (转载自:蟋蟀博客)

效果演示

function.js

<!--

function getObject(objectId) {

if(document.getElementById && document.getElementById(objectId)) {

// W3C DOM

return document.getElementById(objectId);

}

else if (document.all && document.all(objectId)) {

// MSIE 4 DOM

return document.all(objectId);

}

else if (document.layers && document.layers[objectId]) {

// NN 4 DOM.. note: this won't find nested layers

return document.layers[objectId];

}

else {

return false;

}

}

var responsecont;

var xmlHttp;

var requestType;

var newsstring;

function CreateXMLHttpRequest(){

// Initialize Mozilla XMLHttpRequest object

if (window.XMLHttpRequest){

xmlHttp = new XMLHttpRequest();

}

// Initialize for IE/Windows ActiveX version

else if (window.ActiveXObject) {

try{

xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");

}

catch (e){

try{

xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

}

catch (e){newsstring = "服务器繁忙,请稍后重新连接！";}

}

}

}

function getnews(tagid,x){

var url = tagid+'_'+x+'.htm';

requestType = tagid;

CreateXMLHttpRequest();

xmlHttp.onreadystatechange = processRequestChange;

xmlHttp.open("GET", url, true);

xmlHttp.setRequestHeader("If-Modified-Since","0");

xmlHttp.send(null);

}

function processRequestChange(){

// only if xmlHttp shows "complete"

if (xmlHttp.readyState == 4){

// only http 200 to process

if (window.location.href.indexOf("http")==-1 || xmlHttp.status == 200){

　　　newsstring = xmlHttp.responseText;

//inject centent to tab-pane

shownews(requestType,newsstring);

}

}

}

function shownews(requestType,newsstring){

//<![CDATA[

responsecont = getObject(requestType+'_cnt');

responsecont.innerHTML = newsstring;

//]]>

}

function TabNews(tagid,x){

for (var i=1;i<=7;i+=2) {

if (i == x) {

getObject(tagid+i).className="tabactive"+i;

if(i!=1){

getObject(tagid+(i-1)).style.display="none";

if(i!=7){

getObject(tagid+(i+1)).style.display="none";

}

}

if(i==1){

getObject(tagid+"2").style.display="none";

}

try{

getnews(tagid,i);

}

catch(e){

alert(e);

}

}

else

{

getObject(tagid+i).className="";

if(i!=7){

getObject(tagid+(i+1)).style.display="block";

}

}

}

}

//-->

style.css

body{ margin: 0;padding: 0;background: #FFF;color: #000;font: normal 12px 宋体,arial,sans-serif;text-align: left;}

div,form,ul,ol,li,span,p {border: 0;margin: 0;padding: 0;}

/*链接样式*/

a:link{color: #000;text-decoration: none;}

a:visited{color: #000;text-decoration: none;}

a:hover{color: #16387C;text-decoration: underline;}

/*清除float*/

.clear{ clear: both; font-size:1px; visibility: hidden; }

/*空格*/

.blank2{font-size: 1px;height: 2px;margin: 0 auto;width: 962px;}

.blank5{font-size: 1px;height: 5px;margin: 0 auto;width: 950px;}

.sblank2{font-size: 1px;height: 2px;margin: 0 auto;width: 100px;}

.sblank3{font-size: 1px;height: 3px;margin: 0 auto;width: 100px;}

.sblank5{font-size: 1px;height: 5px;margin: 0 auto;width: 400px;}

.sblank7{font-size: 1px;height: 7px;margin: 0 auto;width: 400px;}

/*边距*/

.margin-right{margin-right: 6px;}

.margin-right-left{margin-right: 3px; margin-left:3px;}

/*字体颜色*/

.fcborange{color: #F0741A;font: bold 12px arial,sans-serif;}

.fcred{color:#FF0000;}

.fcwhite{color:#FFF;font:normal 13px 宋体,arial,sans-serif;letter-spacing:1px;}

/*新闻标签导航*/

.news_tabsnav{

background: url(../images/tab_bg.gif) #FFF left top repeat-x;

border: solid #B0BEC7;

border-width: 0 1px 0 1px;

height: 22px;

margin: 0 auto;

padding: 0;

width: 506px;

}

.news_tabsnav .tabsmenu{

height: 22px;

}

.news_tabsnav .tab_sline {

padding-top: 3px;

width: 2px;

}

.news_tabsnav li {

color: #18397C;

display: inline;

float: left;

font: normal 12px 宋体,arial,sans-serif;

letter-spacing: 1px;

list-style-type: none;

margin: 0;

padding-top: 4px;

text-align: center;

width: 120px;

}

/*导航菜单点击后的样式*/

.news_tabsnav .tabactive1{

background: url(../images/tab_active1.gif);

color: #F26400;

font: bold 12px 宋体,arial,sans-serif;

height: 18px;

letter-spacing: 1px;

padding-top: 4px;

text-align: center;

width: 120px;

}

.news_tabsnav .tabactive3{

background: url(../images/tab_active2.gif);

color: #F26400;

font: bold 12px 宋体,arial,sans-serif;

height: 18px;

letter-spacing: 1px;

padding-top: 4px;

text-align: center;

width: 120px;

}

.news_tabsnav .tabactive5{

background: url(../images/tab_active2.gif);

color: #F26400;

font: bold 12px 宋体,arial,sans-serif;

height: 18px;

letter-spacing: 1px;

padding-top: 4px;

text-align: center;

width: 120px;

}

.news_tabsnav .tabactive7{

background: url(../images/tab_active2.gif);

color: #F26400;

font: bold 12px 宋体,arial,sans-serif;

height: 18px;

letter-spacing: 1px;

padding-top: 4px;

text-align: center;

width: 120px;

}

/*最新消息主体*/

.news_content{

border: solid #B0BEC7;

border-width: 0 1px 1px 1px;

margin: 0 auto;

width: 506px;

}

/*推荐新闻列表*/

.news_list{

height: 120px;

margin: 0 auto;

width: 492px;

}

.news_list img{

border: 1px solid #9EB1C0;

float: left;

height: 115px;

margin: 0;

padding: 1px;

width: 154px;

cursor: pointer;

}

.news_list .new_top7{

float: right;

height: 120px;

margin: 0;

width: 325px;

}

.news_list .new_top7 li{

float: left;

font: normal 13px 宋体,sans-serif;

height: 12px;

letter-spacing: 1px;

list-style-type: none;

margin: 0;

padding: 0 0 5px 0!important;

padding: 0 0 2px 0;

width: 322px;

}

.news_list .new_top7 li a:link,a:visited{

color: #18397C;

}

.news_list .new_top7 li a:hover{

color: #FF0000;

}

/*LOGO广告*/

.logos{

margin: 0 auto;

width: 488px;

height: 44px;

padding: 1px !important;

border: 1px solid #9EB1C0;

}

.logoscnt{

margin: 0 auto;

width: 488px;

height: 31px !important;

height: 29px;

padding: 6px 0 7px 0 !important;

padding: 4px 0 5px 0;

text-align: center;

background: url(../images/logos_bg.gif);

}

/*基本信息统计*/

.siteinfo{

height: 12px;

letter-spacing: 1px;

margin: 0 auto;

padding: 4px 0 4px 0 !important;

padding: 2px 0 2px 0;

text-align: center;

width: 490px;

}

CODE:

<!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=utf-8" />

<title>标签导航</title>

<meta name="Author" content="Robert" />

<link href="css/style.css" rel="stylesheet" type="text/css" />

<script language="javascript" type="text/javascript" src="js/function.js"></script>

</head>

<body>

<div class="sblank2"></div>

<div class="news_tabsnav">

<ul class="tabsmenu">

<li class="tabactive1" style="cursor:pointer" id="tab1" onclick="TabNews('tab',1)">推荐信息</li>

<li class="tab_sline" style="display:none" id="tab2"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="tab3" onclick="TabNews('tab',3)">最新折扣信息</li>

<li class="tab_sline" id="tab4"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="tab5" onclick="TabNews('tab',5)">最新团够信息</li>

<li class="tab_sline" id="tab6"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="tab7" onclick="TabNews('tab',7)">最新活动信息</li>

</ul><div class="clear"></div>

</div>

<div class="news_content">

<div id="tab_cnt">

<div class="sblank2"></div>

<div class="news_list">

<img src="images/gyy.jpg" alt="推荐图片新闻" width="154" height="115" border="0" />

<ul class="new_top7">

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

</ul>

<div class="clear"></div>

</div>

<div class="sblank2"></div>

<div class="logos">

<div class="logoscnt">

<img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" />

</div>

</div>

</div>

<div class="siteinfo">

VIP会员共计<span class="fcborange">10200</span>家，今日注册<span class="fcborange">68</span>人，更新<span class="fcborange">5365</span>条信息，当前总在线<span class="fcborange">62400</span>人

</div>

</div>

<div class="sblank2"></div>

<div class="news_tabsnav">

<ul class="tabsmenu">

<li class="tabactive1" style="cursor:pointer" id="news1" onclick="TabNews('news',1)">华夏资讯推荐</li>

<li class="tab_sline" style="display:none" id="news2"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="news3" onclick="TabNews('news',3)">华夏动感宝贝</li>

<li class="tab_sline" id="news4"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="news5" onclick="TabNews('news',5)">华夏动漫世界</li>

<li class="tab_sline" id="news6"><img src="images/tab_sline.gif" alt="分割线" /></li>

<li style="cursor:pointer" id="news7" onclick="TabNews('news',7)">华夏体育世界</li>

</ul><div class="clear"></div>

</div>

<div class="news_content">

<div id="news_cnt">

<div class="sblank2"></div>

<div class="news_list">

<a href="#"><img src="images/pic.jpg" alt="推荐图片新闻" width="154" height="115" border="0" /></a>

<ul class="new_top7">

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

<li><a href="#">PRG全棉短袖衬衣最后的抢购机抢购机</a> 2006-08-15</li>

</ul>

<div class="clear"></div>

</div>

<div class="sblank2"></div>

<div class="logos">

<div class="logoscnt">

<img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" /><img src="images/clogo.gif" class="margin-right-left" alt="logo" />

</div>

</div>

</div>

<div class="siteinfo">

VIP会员共计<span class="fcborange">10200</span>家，今日注册<span class="fcborange">68</span>人，更新<span class="fcborange">5365</span>条信息，当前总在线<span class="fcborange">62400</span>人

</div>

</div>

</body>

</html>