用radio控制<tr>的隐藏和显示问题

jsp页面代码

<tr>
                                    <th nowrap="nowrap" width="10%" height="50px"
                                        style="text-align: center;">是否评估通过</th>
                                    <td width="40%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input
                                        type="radio" id="yesorno" name="yesorno" value="1"
                                        onclick="yes()">是</input>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                                        <input type="radio" id="yesorno" name="yesorno" value="0" onclick="no()" selected = "false">否</input>
                                    </td>
                                </tr>
                                <tr id="third" >
                                    <th nowrap="nowrap" height="50px" style="text-align: center;">指派第三方机构</th>
                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input
                                        id="ThirdPart" name="ThirdPart"
                                        class="easyui-combobox input160"
                                        data-options="valueField:'id',textField:'text',editable: false, panelHeight: 120,
                                        url:'${ctx}/rescue/surver/send/comlist.action?code=${userDep.sysDepartment.sysDepartmentId}',method:'get'" />

                                    </td>
                                </tr>
                                <tr id = "reason" style="display: none">
                                    <th nowrap="nowrap" height="100%" style="text-align: center;">退回原因</th>
                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<textarea
                                            id="reason" name="reason" class="easyui-validatebox"
                                            cols="157"
                                            data-options="required:true, validType: 'length[0,500]'"
                                            maxlength="500"></textarea>
                                    </td>
                                </tr>

js代码

//显示第三方机构
function  yes(){
    $("#reason").css('display', 'none');
    $("#third").css('display', 'block');
}
//显示退回原因
function no(){
    $("#third").css('display', 'none');
    $("#reason").css('display', 'block');
}