jquery на форму

<form class="newssenderForm" action="" method="post" >
    <h4><label for="Cntrl_Address">Подписка</label></h4>
    <input name="Address" type="text" id="mail_id" value="@email здесь" class="Validation inpText left" />
    <input type="submit" class="inpBtn right" value="Ok" />
</form>

<script type="text/javascript">
$('.inpBtn').click(function()
{
var mail_id = $(this).parent().find("#mail_id").text();//Вроде правильно же?
alert (mail_id);
$.ajax({url:'/tools/subregistration.php',
    data: ({mail_id:mail_id}),
  success: function(data)
    {
        $('.red').text(data);
    }
});
return false;
});
</script>