横纵方向走马灯滚动，纯javascript代码

<body onload="beginmarquee()">

<table width="1024" border="0" cellspacing="0" cellpadding="0">

  <tr>

    <td width="200"><div id="demo" style="overflow:hidden;width:200px; height:100px">

        <div id="demo1">

        <img src="1.jpg" width="200" height="200" />

        <img src="2.jpg" width="200" height="200" />

        <img src="3.jpg" width="200" height="200" />

        <img src="4.jpg" width="200" height="200" />

        <img src="5.jpg" width="200" height="200" />

        <img src="6.jpg" width="200" height="200" />

        </div>

        <div id="demo2"></div>

    </div></td>

    <td>&nbsp;</td>

  </tr>

</table>

<div id="showtest">此处显示  id "showtest" 的内容</div>

<p>&nbsp;</p>

<p>&nbsp;</p>

                <script>

var speed=12

demo2.innerHTML=demo1.innerHTML

function Marquee()

{

if(demo2.offsetTop-demo.scrollTop<=0)

demo.scrollTop-=demo1.offsetHeight

else

{

demo.scrollTop++

}

}

var MyMar

function beginmarquee()

{

  MyMar=setInterval(Marquee,speed)

}

function endmarquee()

{

 clearInterval(MyMar)

}

//var MyMar=setInterval(Marquee,speed)

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

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

              </script>

</body>

<body>

<style type="text/css">

<!--

.zhengti{width:969px; height:180px; background-image:url(c-gd.gif);}

#demo {overflow:hidden;border: 1px dashed #CCC; width:920px; margin-left:25px; padding-top:18px;}

#demo img {border: 1px solid #F2F2F2;}

#indemo {float: left;width: 800%;}

#demo1 {float: left;}

#demo2 {float: left;margin-left:8px;}

-->

</style>

<div class="zhengti">

    <div id="demo">

        <div id="indemo">

            <div id="demo1">

            <a href="#"><img src="shiyan.jpg" border="0" height="140" /></a>

            <a href="#"><img src="shiyan.jpg" border="0" height="140"/></a>

            <a href="#"><img src="shiyan.jpg" border="0" height="140" /></a>

            <a href="#"><img src="shiyan.jpg" border="0" height="140" /></a>

            <a href="#"><img src="shiyan.jpg" border="0" height="140" /></a>

            <a href="#"><img src="shiyan.jpg" border="0" height="140" /></a>

            </div>

            <div id="demo2"></div>

        </div>

    </div>

</div>

<script>

<!--

var speed=10;

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>

</body>