同一个页面实现两组图片无间隙向左滚动，谢谢

<TABLE cellSpacing=0 cellPadding=0 width=769 align=center border=0> 
  <TBODY> 
<TD width="769" height=131 align=right bgColor=#ffffff> <DIV id=move style="OVERFLOW: hidden; WIDTH: 769px"> 
      <TABLE cellPadding=0 align=center border=0 cellspace="0"> 
        <TBODY> 
          <TR> 
            <TD id=move1> <TABLE cellSpacing=0 cellPadding=0 width=170 
                        align=center border=0> 
                <TBODY> 
                  <TR> 
    
                    <TD> <TABLE 
                              style="BORDER-RIGHT: #d7d7d7 1px solid; BORDER-TOP: #d7d7d7 1px solid; BORDER-LEFT: #d7d7d7 1px solid; BORDER-BOTTOM: #d7d7d7 1px solid" 
                              cellSpacing=0 cellPadding=0 width=135 border=0> 
                        <TBODY> 
                          <TR> 
                            <TD bgColor=#ececec> <DIV align=center> <IMG height=100 
                                src="2006/forumphoto/corpmedlogo/xh.gif" 
                                width=150 border=0> </DIV> </TD> 
                          </TR> 
                          <TR> 
                            <TD bgColor=#ececec> <!-- <DIV align=center>主办单位 </DIV>--> </TD> 
                          </TR> 
                        </TBODY> 
                    </TABLE> </TD> 
                    <!-- <TD> </TD> 
<TD> <TABLE 
                              style="BORDER-RIGHT: #d7d7d7 1px solid; BORDER-TOP: #d7d7d7 1px solid; BORDER-LEFT: #d7d7d7 1px solid; BORDER-BOTTOM: #d7d7d7 1px solid" 
                              cellSpacing=0 cellPadding=0 width=135 border=0> 
                        <TBODY> 
                          <TR> 
                            <TD bgColor=#ececec> <DIV align=center> <IMG height=100 
                                src="2006/forumphoto/corpmedlogo/20.gif" 
                                width=150 border=0> </DIV> </TD> 
                          </TR> 
                          <TR> 
                            <TD bgColor=#ececec> <DIV align=center>主办单位 </DIV> </TD> 
                          </TR> 
                        </TBODY> 
                    </TABLE> </TD> 
                    <TD> </TD>--> 
<TD> </TD> 
<TD id=move2 vAlign=top> </TD> 
<script> 
  var speed=30//速度数值越大速度越慢 
  move2.innerHTML=move1.innerHTML 
  function Marquee(){ 
  //alert(demo.scrollLeft); 
  if(move2.offsetWidth-move.scrollLeft <=0) 
  demo.scrollLeft-=move1.offsetWidth 
  else{ 
  demo.scrollLeft++ 
  } 
  } 
  var MyMar=setInterval(Marquee,speed) 
  move.onmouseover=function() {clearInterval(MyMar)} 
  move.onmouseout=function() {MyMar=setInterval(Marquee,speed)} 
  </script> 
</TD> 
</TR> 
<td height="2"> </TBODY> </TABLE> 
用demo实现一组图片向左无间隙滚动后，可是再加一组图片怎么也不能同时滚动，麻烦了谢谢