支持W3C的无缝滚动代码

<!--下面是向上滚动代码-->

<div id=fx_gun_top style=overflow:hidden;height:100;width:90;>
<div id=fx_gun_top1>
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
</div>
<div id=fx_gun_top2></div>
</div>
<script>
var speed=30
fx_gun_top2.innerHTML=fx_gun_top1.innerHTML //克隆fx_gun_top1为fx_gun_top2
function Marquee1(){
//当滚动至fx_gun_top1与fx_gun_top2交界时
if(fx_gun_top2.offsetTop-fx_gun_top.scrollTop<=0)
fx_gun_top.scrollTop-=fx_gun_top1.offsetHeight //fx_gun_top跳到最顶端
else{
fx_gun_top.scrollTop++;
}
}
var MyMar1=setInterval(Marquee1,speed)//设置定时器
//鼠标移上时清除定时器达到滚动停止的目的
fx_gun_top.onmouseover=function() {clearInterval(MyMar1)}
//鼠标移开时重设定时器
fx_gun_top.onmouseout=function(){MyMar1=setInterval(Marquee1,speed)}
</script>

<!--向上滚动代码结束-->

<br>

<!--下面是向下滚动代码-->

<div id=fx_gun_bottom style=overflow:hidden;height:100;width:90;>
<div id=fx_gun_bottom1>
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
<img src="http://jsweb8.cn/images/logo.gif">
</div>
<div id=fx_gun_bottom2></div>
</div>
<script>
var speed=30
fx_gun_bottom2.innerHTML=fx_gun_bottom1.innerHTML
fx_gun_bottom.scrollTop=fx_gun_bottom.scrollHeight
function Marquee2(){
if(fx_gun_bottom1.offsetTop-fx_gun_bottom.scrollTop>=0)
fx_gun_bottom.scrollTop+=fx_gun_bottom2.offsetHeight
else{
fx_gun_bottom.scrollTop--
}
}
var MyMar2=setInterval(Marquee2,speed)
fx_gun_bottom.onmouseover=function() {clearInterval(MyMar2)}
fx_gun_bottom.onmouseout=function() {MyMar2=setInterval(Marquee2,speed)}
</script>

<!--向下滚动代码结束-->

<br>

<!--下面是向左滚动代码-->

<div id="fx_gun_left" style="overflow:hidden;width:500px;">
<table cellpadding="0" cellspacing="0" border="0">
<tr><td id="fx_gun_left1" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td><td><img src="http://jsweb8.cn/images/logo.gif" width="88"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
</tr>
</table>
</td>
<td id="fx_gun_left2" valign="top"></td>
</tr>
</table>
</div>
<script>
var speed=30//速度数值越大速度越慢
fx_gun_left2.innerHTML=fx_gun_left1.innerHTML
function Marquee3(){
if(fx_gun_left2.offsetWidth-fx_gun_left.scrollLeft<=0)
fx_gun_left.scrollLeft-=fx_gun_left1.offsetWidth
else{
fx_gun_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
fx_gun_left.onmouseover=function() {clearInterval(MyMar3)}
fx_gun_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script>

<!--向左滚动代码结束-->

<br>

<!--下面是向右滚动代码-->

<div id="fx_gun_right" style="overflow:hidden;width:500px;">
<table cellpadding="0" cellspacing="0" border="0">
<tr><td id="fx_gun_right1" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
<td><img src="http://jsweb8.cn/images/logo.gif"></td>
</tr>
</table>
</td>
<td id="fx_gun_right2" valign="top"></td>
</tr>
</table>
</div>
<script>
var speed=30//速度数值越大速度越慢
fx_gun_right2.innerHTML=fx_gun_right1.innerHTML
function Marquee4(){
if(fx_gun_right.scrollLeft<=0)
fx_gun_right.scrollLeft+=fx_gun_right2.offsetWidth
else{
fx_gun_right.scrollLeft--
}
}
var MyMar4=setInterval(Marquee4,speed)
fx_gun_right.onmouseover=function() {clearInterval(MyMar4)}
fx_gun_right.onmouseout=function() {MyMar4=setInterval(Marquee4,speed)}
</script>

<!--向右滚动代码结束-->