收集整理的四个方向的滚动

答案：
向上滚动
</P>
<P><div id=demo style=overflow:hidden;height:100;width:90; 
background:#214984;color:#ffffff> 
<div id=demo1> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 </div> 
 <div id=demo2></div> 
 </div> 
   <script> 
   var speed=30 
   demo2.innerHTML=demo1.innerHTML //克隆demo1为demo2 
   function Marquee(){ 
//当滚动至demo1与demo2交界时 
if(demo2.offsetTop-demo.scrollTop<=0)   
demo.scrollTop-=demo1.offsetHeight //demo跳到最顶端 
else{ 
demo.scrollTop++ 
   } 
   } 
   var MyMar=setInterval(Marquee,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 
   demo.onmouseover=function() {clearInterval(MyMar)} 
//鼠标移开时重设定时器 
   demo.onmouseout=function(){MyMar=setInterval(Marquee,speed)} 
</script> 
</P>
<P>
  [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

向下滚动
</P>
<P>  <div id=demo style=overflow:hidden;height:100;width:90; 
background:#214984;color:#ffffff> 
<div id=demo1> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
 <img src="/upload/20121013/logos.gif"> 
</div> 
<div id=demo2></div> 
</div> 
    <script> 
    var speed=30 
    demo2.innerHTML=demo1.innerHTML 
    demo.scrollTop=demo.scrollHeight 
    function Marquee(){ 
    if(demo1.offsetTop-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> 
</P>
<P>
  [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

向左滚动
</P>
<P><div id="demo" style="overflow:hidden;width:670px;color:#ffffff;">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr><td id="demo1" valign="top" align="center">
          <table cellpadding="2" cellspacing="0" border="0">
            <tr align="center">
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
              <td><img src="/upload/20121013/logos.gif" width="88"></td>
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
              <td><img src="/upload/20121013/logos.gif" width="88"></td>
            </tr>
          </table>
        </td>
        <td id="demo2" valign="top"></td>
        </tr>
      </table>
    </div>
  <script>
  var speed=1//速度数值越大速度越慢
  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>
</P>
<P>
  [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

向右滚动
</P>
<P><div id="demo" style="overflow:hidden;width:670px;color:#ffffff;">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr><td id="demo1" valign="top" align="center">
          <table cellpadding="2" cellspacing="0" border="0">
            <tr align="center">
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
              <td><img src="/upload/20121013/logos.gif" width="88"></td>
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
     <td><img src="/upload/20121013/logos.gif" width="88"></td>
              <td><img src="/upload/20121013/logos.gif" width="88"></td>
            </tr>
          </table>
        </td>
        <td id="demo2" valign="top"></td>
        </tr>
      </table>
    </div>
  <script>
  var speed=1//速度数值越大速度越慢
  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>
</P>
<P>
  [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]

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