js自动更换图片代码（收藏）
<!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" lang="gb2312">
<head>
<title>JS图片切换 ::</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="generator" content="editplus" />
<meta name="author" content="eLore" />
<meta name="keywords" content="" />
<meta name="description" content="" />
<style type="text/css">
* { margin:0; padding:0; }
body {
margin:0;
color:#88c; background:#333;
}
img { margin:0; padding:0; border:0; }
#js_F {
position:relative;
top:10px; left:10px;
overflow:hidden;
width:270px; height:185px;
background:#33c;
}
#js_F img{
position:absolute;
top:0; left:0;
width:270px; height:185px;
}
</style>
</head>
<body>
<div id="js_F"></div>
<script type="text/javascript">
<!--///*--><![CDATA[/*><!--*/
var js_F = document.getElementById("js_F");
var imgList = ["img/1.jpg", "img/2.jpg", "img/3.jpg", "img/4.jpg" ];
var imgTemp = new Array();
for (i=0; i<imgList.length; i++){
imgTemp[i] = new Image();
imgTemp[i].src = imgList[i];
}
var imgs = new Array();
var imgID = 0, nextImgID, proveImgID;
var tf = true; //图片移动方向标志
var speed1 = 10; speed2 = 3000; //速度
function imgInit(){
var content = '';
for (i=0; i<imgList.length; i++){
content += '<img src="' + imgList[i] + '" style="left:0;" />\n';
}
js_F.innerHTML = content;
imgs = js_F.getElementsByTagName('img');
imgs[0].style.zIndex = 20;
imgs[1].style.zIndex = 15;
}
function imgChange(){
if ((imgID+1)<imgList.length){
nextImgID = imgID + 1;
} else if (imgID<imgList.length) {
nextImgID = 0;
} else {
imgID = 0;
nextImgID = imgID + 1;
}
imgs[imgID].style.zIndex = 20;
imgs[nextImgID].style.zIndex = 15;
setTimeout('imgShow()',speed2);
}
function imgShow(){
if (tf){ //imgID向左边移动2/3，nextImgID向右边1/3
if (parseInt(imgs[imgID].style.left)>-180){
imgs[imgID].style.left = (parseInt(imgs[imgID].style.left)-10) + 'px';
imgs[nextImgID].style.left = (parseInt(imgs[nextImgID].style.left)+5) + 'px';
setTimeout('imgShow()',speed1);
} else {
tf = !tf;
imgs[imgID].style.zIndex = 15;
imgs[nextImgID].style.zIndex = 20;
setTimeout('imgShow()',speed1);
}
} else {
if (parseInt(imgs[imgID].style.left)<0){
imgs[imgID].style.left = (parseInt(imgs[imgID].style.left)+10) + 'px';
imgs[nextImgID].style.left = (parseInt(imgs[nextImgID].style.left)-5) + 'px';
setTimeout('imgShow()',speed1);
} else {
imgs[imgID].style.zIndex = 10;
tf = !tf;
imgID++;
imgChange();
}
}
}
imgInit();
imgChange();
/*]]>*///-->
</script>
</body>
</html>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312">
<head>
<title>JS图片切换 ::</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="generator" content="editplus" />
<meta name="author" content="eLore" />
<meta name="keywords" content="" />
<meta name="description" content="" />
<style type="text/css">
* { margin:0; padding:0; }
body {
margin:0;
color:#88c; background:#333;
}
img { margin:0; padding:0; border:0; }
#js_F {
position:relative;
top:10px; left:10px;
overflow:hidden;
width:270px; height:185px;
background:#33c;
}
#js_F img{
position:absolute;
top:0; left:0;
width:270px; height:185px;
}
</style>
</head>
<body>
<div id="js_F"></div>
<script type="text/javascript">
<!--///*--><![CDATA[/*><!--*/
var js_F = document.getElementById("js_F");
var imgList = ["img/1.jpg", "img/2.jpg", "img/3.jpg", "img/4.jpg" ];
var imgTemp = new Array();
for (i=0; i<imgList.length; i++){
imgTemp[i] = new Image();
imgTemp[i].src = imgList[i];
}
var imgs = new Array();
var imgID = 0, nextImgID, proveImgID;
var tf = true; //图片移动方向标志
var speed1 = 10; speed2 = 3000; //速度
function imgInit(){
var content = '';
for (i=0; i<imgList.length; i++){
content += '<img src="' + imgList[i] + '" style="left:0;" />\n';
}
js_F.innerHTML = content;
imgs = js_F.getElementsByTagName('img');
imgs[0].style.zIndex = 20;
imgs[1].style.zIndex = 15;
}
function imgChange(){
if ((imgID+1)<imgList.length){
nextImgID = imgID + 1;
} else if (imgID<imgList.length) {
nextImgID = 0;
} else {
imgID = 0;
nextImgID = imgID + 1;
}
imgs[imgID].style.zIndex = 20;
imgs[nextImgID].style.zIndex = 15;
setTimeout('imgShow()',speed2);
}
function imgShow(){
if (tf){ //imgID向左边移动2/3，nextImgID向右边1/3
if (parseInt(imgs[imgID].style.left)>-180){
imgs[imgID].style.left = (parseInt(imgs[imgID].style.left)-10) + 'px';
imgs[nextImgID].style.left = (parseInt(imgs[nextImgID].style.left)+5) + 'px';
setTimeout('imgShow()',speed1);
} else {
tf = !tf;
imgs[imgID].style.zIndex = 15;
imgs[nextImgID].style.zIndex = 20;
setTimeout('imgShow()',speed1);
}
} else {
if (parseInt(imgs[imgID].style.left)<0){
imgs[imgID].style.left = (parseInt(imgs[imgID].style.left)+10) + 'px';
imgs[nextImgID].style.left = (parseInt(imgs[nextImgID].style.left)-5) + 'px';
setTimeout('imgShow()',speed1);
} else {
imgs[imgID].style.zIndex = 10;
tf = !tf;
imgID++;
imgChange();
}
}
}
imgInit();
imgChange();
/*]]>*///-->
</script>
</body>
</html>
