如何替换表格的背景图片

Question

<style>
.div1{width:100px;height:100px;background-image:url
(http://community.csdn.net/images/CSDN_logo.GIF);}
.div2{width:100px;height:100px;background-image:url
(http://community.csdn.net/images/jspd_wdzx_sqgg_ad.gif);}
</style><div class=div1 onmouseover=this.className='div2' onmouseout=this.className='div1'></div>

Answer 1

function aa(){
document.tu.tu1.background="a.jpg"
}
function bb(){
document.tu.tu1.background="b.jpg"
}<table width="37%" border="1" id="tu">
  <tr>
    <td height="131" background="18%5B1%5D.jpg" id="tu1" onMouseOut="aa()" onMouseover="bb()"></td>
  </tr>
</table>