可控制内容上下代码(不是上下自动滚动，而是适合企业触摸屏那种)

<script language="JavaScript">
     function scroll(n)
     {temp=n;
     News.scrollTop=News.scrollTop+temp;
     if (temp==0) return;
     setTimeout("scroll(temp)",50); // 滚动的速度
     }
     </script>
     <center>
<table border="0" width="565" cellpadding="0" style="border-collapse: collapse" id="table1">
<tr>
<td width="58%" valign="top">
<div id="News" style="border:0px dashed; OVERFLOW: hidden; WIDTH: 564px; HEIGHT: 500px">
<table border="0" width="100%" cellpadding="0" style="border-collapse: collapse" id="table31">
<tr>
<td align="left"> 你好欢迎来到我的博客，也可以去我的导航站看看。网址导航，文章内容或是列表,</td>
</tr>
</table>
</div>
</td>
<td width="2%" valign="top">
<table border="0" width="100%" cellpadding="0" style="border-collapse: collapse" id="table11">
<tr>
<td>
<img onMouseDown="scroll(-3)" onMouseOver="scroll(-3)" style="CURSOR: hand" onMouseOut="scroll(0)" border="0" src="img/btn_up.gif" width="16" height="16" title="按下按钮速度会更快">
</td>
</tr>
<tr>
<td height="25">　</td>
</tr>
<tr>
<td> </td>
</tr>
<tr>
<td>
<img onMouseDown="scroll(3)" onMouseOver="scroll(3)" style="CURSOR: hand" onMouseOut="scroll(0)" border="0" src="img/btn_down.gif" width="16" height="16" title="按下按钮速度会更快">
</td>
</tr>
</table>
</td>
</tr>
</table>
</center>