怎么调用同一个js，求救，急急（不改id）

<div class="img_all" id="c">
              
                <table cellpadding="0" cellspacing="0" border="0">
                <tr><td id="b" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><p><img src="nt_nyjx_2013_j25.jpg" /></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg" /></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
</tr>
</table>
                </td>
                <td id="a" valign="top"></td>
                </tr>
                </table>
</div>
    <div class="img_all" id="c">
              
                <table cellpadding="0" cellspacing="0" border="0">
                <tr><td id="b" valign="top" align="center">
<table cellpadding="2" cellspacing="0" border="0">
<tr align="center">
<td><p><img src="nt_nyjx_2013_j25.jpg" /></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg" /></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
<td><p><img src="nt_nyjx_2013_j25.jpg"/></p></td>
</tr>
</table>
                </td>
                <td id="a" valign="top"></td>
                </tr>
                </table>
</div>
    
<script>
var speed=30//速度数值越大速度越慢
var colee_left2=document.getElementById("a");
var colee_left1=document.getElementById("b");
var colee_left=document.getElementById("c");
colee_left2.innerHTML=colee_left1.innerHTML
function Marquee3(){
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0)//offsetWidth 是对象的可见宽度
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left.onmouseover=function() {clearInterval(MyMar3)}
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}
</script>怎么调用同一个jsJavaScript