css控制鼠标经过表格变色

<style type="text/css">
#djb{width:400px;background:#164C27;text-align:center;}
#djb th{background-color:#5ED082;height:30px;line-height:30px;color: #404040;font-weight: bold;}
#djb tr{background-color:#ffffff;cursor:pointer;
event:expression(onmouseover = function(){this.style.backgroundColor='#ADE7BF'},onmouseout = function(){this.style.backgroundColor='#FFFFFF'});
}
#djb tr:hover{background:#ADE7BF;}
#djb td{height:25px;line-height:25px;}
</style>

<table cellspacing="1" id="djb">
<tr >
<td>建站种类</td>
<td>版本</td>
<td>市场价</td>
<td>本站价</td>
</tr>
<tr >
<td>标准企业站</td>
<td>djb1.0</td>
<td>1800</td>
<td>1200</td>
</tr>
<tr >
<td>标准企业站</td>
<td>djb1.0</td>
<td>1800</td>
<td>1200</td>
</tr>
<tr >
<td>标准企业站</td>
<td>djb1.0</td>
<td>1800</td>
<td>1200</td>
</tr>
<tr >
<td>标准企业站</td>
<td>djb1.0</td>
<td>1800</td>
<td>1200</td>
</tr>
</table>