d" name="user_password" placeholder="请输入密码" size="20">
                                        </div>
                                    </div> 
                                    <div class="form-group">
                                        <div class="col-sm-offset-1 col-sm-10">
                                            <button type="submit" class="btn btn-primary btn-lg" onClick="chkAll();">注册</button>
                                        </div>
                                   