function createForm(){
    var htmlFormSub = '<form class="form-horizontal" id="form-subscriber">';
    htmlFormSub += '<div class="form-group">';
    htmlFormSub += '<input type="text" class="form-control" placeholder="Họ tên" name="name" id="sub-name">';
    htmlFormSub += '</div>';
    htmlFormSub += '<div class="form-group">';
    htmlFormSub += '<input type="email" class="form-control" placeholder="Email" name="email" id="sub-email" required="">';
    htmlFormSub += '</div>';
    htmlFormSub += '<div class="form-group">';
    htmlFormSub += '<input type="text" class="form-control" placeholder="Số điện thoại" name="phone" id="sub-phone">';
    htmlFormSub += '</div>';
    htmlFormSub += '<div class="form-group">';
    htmlFormSub += '<input  type="text" class="form-control" placeholder="Địa chỉ" name="address" id="sub-address">';
    htmlFormSub += '</div>';
    htmlFormSub += '<div class="form-group">';
    htmlFormSub += '<button type="button" class="form-control" placeholder="địa chỉ" name="sub-address" id="submit-form-subsciber">GỬI ĐĂNG KÝ</button>';
    htmlFormSub += '</div>';
    htmlFormSub += '</form>';
    $('#div-subscriber').append(htmlFormSub);
}
