blergh using forms to sendo POST requests

foo.cshtml

<li id="[email protected]">
    @using (Ajax.BeginForm("Gostei", "Foo", new AjaxOptions { UpdateTargetId = "[email protected]" }))
    {
        @Html.AntiForgeryToken()
        @Html.Hidden("foo",foo.Id)
        <input type="submit" name="gostei" value="gostei"/>   
    }
    <span id="[email protected]">13</span>
</li>