图片无缝上下滚动、无缝左右滚动

marquee图片无缝滚动上下左右方向

------------------------------------------------------------图片向上无缝滚动

<style type="text/css">
<!--
#demo {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
height: 100px;
text-align: center;
float: left;
}
#demo img {
border: 3px solid #F2F2F2;
display: block;
}
-->
</style>
<div id="demo">
<div id="demo1">
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
</div>
<div id="demo2"></div>
</div>

<script>
<!--
var speed=5; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML;
function Marquee(){
if(tab2.offsetTop-tab.scrollTop<=0)
tab.scrollTop-=tab1.offsetHeight
else{
tab.scrollTop++;
}
}
var MyMar=setInterval(Marquee,speed);
tab.onmouseover=function() {clearInterval(MyMar)};
tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
-->
</script>

------------------------------------------------------------图片向下无缝滚动

<style type="text/css">
<!--
#demo {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
height: 100px;
text-align: center;
float: left;
}
#demo img {
border: 3px solid #F2F2F2;
display: block;
}
-->
</style>
向下滚动
<div id="demo">
<div id="demo1">
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
</div>
<div id="demo2"></div>
</div>

<script>
<!--
var speed=10; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML; //克隆demo1为demo2
tab.scrollTop=tab.scrollHeight
function Marquee(){
if(tab1.offsetTop-tab.scrollTop>=0)//当滚动至demo1与demo2交界时
tab.scrollTop+=tab2.offsetHeight //demo跳到最顶端
else{
tab.scrollTop--
}
}
var MyMar=setInterval(Marquee,speed);
tab.onmouseover=function() {clearInterval(MyMar)};//鼠标移上时清除定时器达到滚动停止的目的
tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};//鼠标移开时重设定时器
-->
</script>

--------------------------------------------------------图片向左无缝滚动

<style type="text/css">
<!--
#demo {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
500px;
}
#demo img {
border: 3px solid #F2F2F2;
}
#indemo {
float: left;
800%;
}
#demo1 {
float: left;
}
#demo2 {
float: left;
}
-->
</style>
向左滚动
<div id="demo">
<div id="indemo">
<div id="demo1">
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
</div>
<div id="demo2"></div>
</div>
</div>

<script>
<!--
var speed=10; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML;
function Marquee(){
if(tab2.offsetWidth-tab.scrollLeft<=0)
tab.scrollLeft-=tab1.offsetWidth
else{
tab.scrollLeft++;
}
}
var MyMar=setInterval(Marquee,speed);
tab.onmouseover=function() {clearInterval(MyMar)};
tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
-->
</script>

------------------------------------------------------图片向右无缝滚动

<style type="text/css">
<!--
#demo {
background: #FFF;
overflow:hidden;
border: 1px dashed #CCC;
500px;
}
#demo img {
border: 3px solid #F2F2F2;
}
#indemo {
float: left;
800%;
}
#demo1 {
float: left;
}
#demo2 {
float: left;
}
-->
</style>
向右滚动
<div id="demo">
<div id="indemo">
<div id="demo1">
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
<a href="#"><img src="http://www.baidu.com/img/baidu_logo.gif" border="0" /></a>
</div>
<div id="demo2"></div>
</div>
</div>

<script>
<!--
var speed=10; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML;
function Marquee(){
if(tab.scrollLeft<=0)
tab.scrollLeft+=tab2.offsetWidth
else{
tab.scrollLeft--;
}
}
var MyMar=setInterval(Marquee,speed);
tab.onmouseover=function() {clearInterval(MyMar)};
tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
-->
</script>