公司推举,打算弄个html来唱票,请帮帮忙

公司选举,打算弄个html来唱票,请帮帮忙!
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
        <style type="text/css">
* {text-align: center;}
p {font: 30px;}
table {border: 1px #000 solid; line-height: 30px;}
tr,th,td  {border: 1px #000 solid; height: 30px; width: 80px;}
input {line-height: 30px; width: 60px; margin-top: 5px;}
</style>
</head>
<body>
     <p>选举大会</p>
        <table>
         <tr>
             <th>姓名</th>
                <th>当前票数</th>
                <th>加一</th>
            </tr>
            <tr>
             <td>一号</td>
                <td>0</td>
                <td><input type="submit" value="加" /></td>
            </tr>
            <tr>
                <td>二号</td>
                <td>0</td>
                <td><input type="submit" value="加" /></td>
            <tr>
                <td>三号</td>
                <td>0</td>
                <td><input type="submit" value="加" /></td>
</tr>
            <tr>
             <td>四号</td>
                <td>0</td>
                <td><input type="submit" value="加" /></td>
            </tr>                
        </table>
    </body>
</html>

想实现按下后面的“加”按钮,“当前票数”就加1,应该怎么弄??
------解决方案--------------------
如果要做的带有记录性,那么可以考虑利用cookie存几个特定的值
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
        *    {text-align: center;}
        p    {font: 30px;}
        table {border: 1px #000 solid; line-height: 30px;}
        tr,th,td  {border: 1px #000 solid; height: 30px; width: 80px;}
        input {line-height: 30px; width: 60px; margin-top: 5px;}
        </style>
        <script src="http://festatic.aliapp.com/js/jquery/1.11.0/jquery.min.js"></script>
        <script>
$(function(){
$('.add').click(function(){
var countTd=$(this).parent().prev();
var countCur=(parseInt(countTd.html())
------解决方案--------------------
0)+1;
countTd.html(countCur);
});

})
        </script>
    </head>
    <body>
        <p>选举大会</p>
        <table>
            <tr>
                <th>姓名</th>