五张图片轮播特效脚本：轻松实现网站切换

<script>
var links = new Array();
links[1] = "http://www.webjx.com";
links[2] = "http://www.webjx.com";
links[3] = "http://www.webjx.com";
links[4] = "http://www.webjx.com";
var imgs = new Array();
for(var n = 1; n <= 5; n++) imgs[n] = new Image();
imgs[1].src = "http://union.baidu.com/img/tongji550.gif";
imgs[2].src = "http://union.baidu.com/img/banner071031.jpg";
imgs[3].src = "http://union.baidu.com/img/dataunion0711.jpg";
imgs[4].src = "http://union.baidu.com/img/umaz13_550.jpg";
var tits = new Array();
tits[1] ="百度统计";
tits[2] = "联盟杯摄影师大赛";
tits[3] = "百度行业报告";
tits[4] = "联盟志";
var imgwidth = 550;//图片宽度
var imgheight = 134;//图片宽度
var str = "<style type='text/css'>";
str += "#imgnv{display:none;position:absolute;bottom:-1px;right:0;height:16px;}#imgnv div{float:left;margin-right:1px;}";
str += "#imgnv div.on,#imgnv div.off{margin-bottom:1px;width:30px;height:15px;line-height:18px!important;line-height:15px;font-size:9px;text-align:center;cursor:pointer;cursor:hand}";
str += "#imgnv div.on{background:#CE0609;color:#FFF;font-weight:bold}";
str += "#imgnv div.off{background:#323232;color:#FFF;text-decoration:none}";
str += "#titnv{margin-top:3px;color:#000;text-align:center;display:none;}";
str += "</style>";
str += "<div style='position:relative'>";
str += "<div><a id='dlink' href='" + links[1] + "' target='_blank'><img id='dimg' src='" + imgs[1].src + "' border='0' width='" + imgwidth + "' height='"+imgheight+"' style='filter:Alpha(opacity=100)' onmouseover='Pause(true)' onmouseout='Pause(false)'></a></div>";
//修改点1：循环添加内层div内容以增加个数
str += "<div id='imgnv'><div id='it1' class='on' onmouseover='ImgSwitch(1, true)' onmouseout='Pause(false)'>1</div><div id='it2' class='off' onmouseover='ImgSwitch(2, true)' onmouseout='Pause(false)'>2</div><div id='it3' class='on' onmouseover='ImgSwitch(3, true)' onmouseout='Pause(false)'>3</div><div id='it4' class='off' onmouseover='ImgSwitch(4, true)' onmouseout='Pause(false)'>4</div></div>";