图片无缝滚动代码

向上滚动的代码：

<div id=demo style=overflow:hidden;height:250;width:200;background:#009900;color:#006600>

<table  align=top>

<tr>

<td id=demo1 valign=top>

<img src="images/001.jpg" width="200" height="150" />

<img src="images/002.jpg" width="200" height="150" />

<img src="images/003.jpg" width="200" height="150" />

<img src="images/004.jpg" width="200" height="150" />

<img src="images/005.jpg" width="200" height="150" />

<img src="images/006.jpg" width="200" height="150" />

<img src="images/007.jpg" width="200" height="150" /> </td></tr><tr><td id=demo2 valign=top>

</td></tr></table></div>

<script>

var speed=15

demo2.innerHTML=demo1.innerHTML//克隆demo1为demo2

function Marquee(){

if(demo2.offsetHeight-demo.scrollTop<=0)//当滚动至demo1与demo2交界时

demo.scrollTop-=demo1.offsetHeight//demo跳到最顶端

else{

demo.scrollTop++

}

}

var MyMar=setInterval(Marquee,speed)//设置定时器

demo.onmouseover=function() {clearInterval(MyMar)}//鼠标移上时清除定时器达到滚动停止的目的

demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}//鼠标移开时重设定时器

</script>

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向下滚动：

<div id=demo style=overflow:hidden;height:250;width:200;background:#009900;color:#006600>

<table  align=top cellpadding=0 cellspace=0 border=0>

<tr><td id=demo1 valign=top>

<img src="images/001.jpg" width="200" height="150" />

<img src="images/002.jpg" width="200" height="150" />

<img src="images/003.jpg" width="200" height="150" />

<img src="images/004.jpg" width="200" height="150" />

<img src="images/005.jpg" width="200" height="150" />

<img src="images/006.jpg" width="200" height="150" />

<img src="images/007.jpg" width="200" height="150" /> </td></tr><tr><td id=demo2 valign=top></td></tr></table></div>

<script>

var speed=15

demo2.innerHTML=demo1.innerHTML

function Marquee(){

if(demo.scrollTop<=0)

demo.scrollTop+=demo2.offsetHeight

else{

demo.scrollTop--

}

}

var MyMar=setInterval(Marquee,speed)

demo.onmouseover=function() {clearInterval(MyMar)}

demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

</script>

向左滚动：

<div id="demo" style="overflow:hidden;height:160;width:400;background:#009900;color:#006600;">

<table align=left >

<tr>

<td id=demo1 valign="middle">

<table align="center" >

<tr>

<td align="center" valign="middle">

<img src="images/001.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/002.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/003.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/004.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/005.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/006.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/007.jpg" width="200" height="150" />

</td>

</tr></table>

</td><td id=demo2 valign=top></td></tr></table></div>

<script>

var speed=15

demo2.innerHTML=demo1.innerHTML

function Marquee(){

if(demo2.offsetWidth-demo.scrollLeft<=0)

demo.scrollLeft-=demo1.offsetWidth

else{demo.scrollLeft++}}

var MyMar=setInterval(Marquee,speed)

demo.onmouseover=function() {clearInterval(MyMar)}

demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

</script>

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向右滚动：

<div id=demo style=overflow:hidden;height:160;width:400;background:#009900;color:#000000>

<table align=left cellpadding=0 cellspace=0 border=0>

<tr>

<td id=demo1 valign="middle">

<table align="center" >

<tr>

<td align="center" valign="middle">

<img src="images/001.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/002.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/003.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/004.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/005.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/006.jpg" width="200" height="150" />

</td>

<td align="center" valign="middle">

<img src="images/007.jpg" width="200" height="150" />

</td>

</tr></table> </td><td id=demo2 valign=top></td></tr></table></div>

<script>

var speed=15

demo2.innerHTML=demo1.innerHTML

function Marquee(){

if(demo.scrollLeft<=0)

demo.scrollLeft+=demo2.offsetWidth

else{

demo.scrollLeft--

}

}

var MyMar=setInterval(Marquee,speed)

demo.onmouseover=function() {clearInterval(MyMar)}

demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

</script>