表格随鼠标变颜色

<table width="100%" border="0" cellspacing="0" cellpadding="0" class="list">
      <tr  class="tableheader">
       <td width="40px">序号</td>
       <td width="90px"">申请时间</td>
       <td width="120px">申请公司</td>
       <td width="70px">联系人</td>
       <td width="100px">服务名称</b></td>
       <td width="90px">关务港口</td>
       <td width="100px">客户名称</td>
       <td width="100px">客户编码</td>
     
      </tr>
<?php
$tpl_comm_array=$form->commission_array;
foreach($tpl_comm_array as $key => $value){
?>
      <tr class="listcontent" onmouseover="this.bgColor='#EFF4FC'" onmouseout="this.bgColor='#ffffff'">
       <td><b><?php echo $tpl_comm_array[$key]['id']; ?></b></td>
       <td><?php echo $tpl_comm_array[$key]['commdate']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['copname']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['contact']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['servname']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['portname']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['custname']; ?></td>
       <td><?php echo $tpl_comm_array[$key]['custcode']; ?></td>

      </tr>
<?php
}
?> 
</table>