<!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>无标题文档</title>
<style type="text/css">
#tuijian {
position: absolute;
left: 0px;
top: 0px;
width: 100%;
height: 1000px;
z-index: 1;
background-repeat:no-repeat;
}
#p1 {
position: absolute;
float:left;
margin:300px 0px 0px 0px;
width: 48px;
height: 56px;
z-index: 2;
background-image:url(image/fact2.png)
}
#p2 {
float:right;
margin:300px 0px 0px 0px;
width: 48px;
height: 56px;
z-index: 3;
background-image:url(image/fact4.png)
}
</style>
</head>
<body>
<div id="tuijian" style="background-image:url(image/header.jpg)">
<div id="p1" class="pages" onclick="dodo(-1)"></div>
<div id="p2" class="pages" onclick="dodo(1)"></div>
</div>
</body>
</html>
<script language="javascript">
var jpg=new Array();
jpg[0]="url(image/header.jpg)";
jpg[1]="url(image/ae.jpg)";
jpg[2]="url(image/ad.jpg)";
var tjimg=document.getElementById("tuijian"); //定义一个变量tjimg来接收id=tuijian的div
var xb=0;
var n=0;
function change()
{
xb++;
if(xb==jpg.length)
{
xb=0;
}
tjimg.style.backgroundImage=jpg[xb];
if(n==0)
{
window.setTimeout("change()",1000); //每隔1秒调用一下change函数
}
}
//下面的是手动换图片
function dodo(m)
{
n=1;
xb=xb+m;
if(xb<0)
{
xb=jpg.length-1; //左边到头了,重新从xb=jpg.length-1开始
}
else if(xb>=jpg.length)
{
xb=0; //右边到头了,重新从xb=0开始
}
tjimg.style.backgroundImage=jpg[xb]; //改变背景图片
}
window.setTimeout(change(),1000) //每隔1秒调用一下change()函数
</script>
