<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0039)http://vip.6to23.com/ccdesign3/main.htm -->
<HTML><HEAD><TITLE>left</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<script language="javascript" type="text/javascript">
<!--
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#"
!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</script>
</head>
<BODY>
<SCRIPT>
function movstar(a,time){
movx=setInterval("mov("+a+"
",time)
}
function movover(){
clearInterval(movx)
}
function mov(a){
scrollx=new2.document.body.scrollLeft
scrolly=new2.document.body.scrollTop
scrolly=scrolly+a
new2.window.scroll(scrollx,scrolly)
}
function o_down(theobject){
object=theobject
}
function o_up(theobject){
object=theobject
}
function wback(){
if(new2.history.length==0){window.history.back()}
else{new2.history.back()}
}
</SCRIPT>
<TABLE cellSpacing=0 cellPadding=0 width="182" border=0>
<TBODY>
<TR>
<TD vAlign=top width="93%" height=200>
<DIV align=left>
<IFRAME border=0 name=new2 marginWidth=0
frameSpacing=0 marginHeight=0 src="1_left_body.htm" frameBorder=0
noResize width=200 scrolling=no height=340
vspale="0"></IFRAME>
</DIV></TD>
</TR>
</TBODY>
</TABLE>
<table width="182" height="68" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="80"> </td>
<td width="52"><IMG border=0 height=68 name=down
onmousedown=movover();movstar(3,2)
onmouseout=movover();o_up(this)
onmouseover=movstar(1,20);o_down(this)
onmouseup=movover();movstar(1,20) src="turnup.jpg"
width=52></td>
<td width="50"><div align="right"><IMG border=0 height=68 name=up
onmousedown=movover();movstar(-3,2)
onmouseout=movover();o_up(this)
onmouseover=movstar(-1,20);o_down(this)
onmouseup=movover();movstar(-1,20) src="turndown.jpg"
width=50></div></td>
</tr>
</table>
<!-- End ImageReady Slices -->
</BODY></HTML>
页面的代码如上面，第二行 和倒数第二行是什么用的？ 为什么我把它他删掉了，页面就出错，不能够达到上下滚动？？
