<style type="text/css">
td:hover {
color: red
}
</style>
<img src="img/contact.gif" onmouseover="this.src='img/banner.jpg'" onmouseout="this.src='img/contact.gif'"><table width="760" border="1">
<tr onmouseover="this.style.backgroundColor='red'" onmouseout="this.style.backgroundColor='blue'">
<td>鼠标移过来看看
</td>
</tr>
</table>
用鼠标失焦和得焦事件实现
把图片换一下哦~~