求助:在同一页面有两个滚动效果，冲突出在那里？
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE>不间断滚动</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2900.2180" name=GENERATOR></HEAD>
<base href="http://www.
<BODY>
<CENTER>
<TABLE cellSpacing=0 cellPadding=0 width=700 border=0>
<TBODY>
<TR>
<TD>
<DIV id=demo style="OVERFLOW: hidden; WIDTH: 700px; COLOR: #ffffff; HEIGHT: 120px">
<TABLE cellPadding=0 align=left border=0 cellspace="0">
<TBODY>
<TR>
<TD id=demo1 vAlign=top>
<TABLE cellSpacing=0 cellPadding=0 border=0>
<TBODY>
<TR>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/1.jpg" width=150></A><BR>
<CENTER><B>说明一</B></CENTER></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/2.jpg" width=150></A><BR>
<CENTER><B>说明二</B></CENTER></TD></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/3.jpg" width=150></A><BR>
<CENTER><B>说明三</B></CENTER></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/4.jpg" width=150></A><BR>
<CENTER><B>说明四</B></CENTER></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/5.jpg" width=150></A><BR>
<CENTER><B>说明五</B></CENTER></TD></TR></TBODY></TABLE></TD>
<TD id=demo2 vAlign=top></TD></TR></TBODY></TABLE></DIV>
<SCRIPT>
var speed=10//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>
</TD></TR></TBODY></TABLE></CENTER>
<CENTER>
<TABLE cellSpacing=0 cellPadding=0 width=700 border=0>
<TBODY>
<TR>
<TD>
<DIV id=dom1 style="OVERFLOW: hidden; WIDTH: 700px; COLOR: #ffffff; HEIGHT: 120px">
<TABLE cellPadding=0 align=left border=0 cellspace="0">
<TBODY>
<TR>
<TD id=dom11 vAlign=top>
<TABLE cellSpacing=0 cellPadding=0 border=0>
<TBODY>
<TR>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/1.jpg" width=150></A><BR>
<CENTER><B>说明一</B></CENTER></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/2.jpg" width=150></A><BR>
<CENTER><B>说明二</B></CENTER></TD></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/3.jpg" width=150></A><BR>
<CENTER><B>说明三</B></CENTER></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/4.jpg" width=150></A><BR>
<CENTER><B>说明四</B></CENTER></TD>
<TD width=30></TD>
<TD><A href="#" target=_blank><IMG class=b5 height=100 hspace=22 src="jsimg/5.jpg" width=150></A><BR>
<CENTER><B>说明五</B></CENTER></TD></TR></TBODY></TABLE></TD>
<TD id=dom12 vAlign=top></TD></TR></TBODY></TABLE></DIV>
<SCRIPT>
var speed=10//速度数值越大速度越慢
dom12.innerHTML=dom11.innerHTML
function Marquee(){
if(dom12.offsetWidth-dom1.scrollLeft<=0)
dom1.scrollLeft-=dom11.offsetWidth
else{
dom1.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
dom1.onmouseover=function() {clearInterval(MyMar)}
dom1.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
</SCRIPT>
</TD></TR></TBODY></TABLE></CENTER>
</BODY></HTML>
