<style type="text/css">
.hover
{
background-color:red;
}
</style>
<table id="table1" border="1" cellpadding="0" cellspacing="0">
<tr>
<th>
<input type="checkbox" id="checkall" onclick="checkAll1(this)"/>
</th>
<th>姓名</th>
<th>性别</th>
<th>密码</th>
<th>地址</th>
</tr>
<tr>
<td>
<input type="checkbox" id="Checkbox1" />
</td>
<td>张三</td>
<td>男</td>
<td>zhangsan</td>
<td>上海</td>
</tr>
<tr>
<td>
<input type="checkbox" id="Checkbox2" />
</td>
<td>李四</td>
<td>男</td>
<td>lisi</td>
<td>安庆</td>
</tr>
<tr>
<td>
<input type="checkbox" id="Checkbox3" />
</td>
<td>王五</td>
<td>男</td>
<td>beijing</td>
<td>北京</td>
</tr>
<tr>
<td>
<input type="checkbox" id="Checkbox4" />
</td>
<td>无名氏</td>
<td>女</td>
<td>wumingshi</td>
<td>上海</td>
</tr>
<tr>
<td>
<input type="checkbox" id="Checkbox5" />
</td>
<td>赵老师</td>
<td>男</td>
<td>zhaolaoshi</td>
<td>浙江</td>