How to reactivate the bootstrap validation?

My query is as follows, I have a div teacher, where I have a form with several fields inside. The form has validations of Bootstrap inside:

$(document).ready(function() {
    limpiarFormulario(frmGarantias);
    limpiarFormulario(frmAsignarGarantia);

    frmGarantias.bootstrapValidator({
        framework: 'bootstrap',
        excluded: [':disabled', ':hidden'],
        fields : {
            selTipoGarantia: {
                validators: {
                    notEmpty : {
                        message : 'Debe seleccionar garantía.'
                    }
                }
            },

            // Hipoteca
            sel_tip_bie_hip: {
                validators: {
                    callback: {
                        callback: function(value, validator, field) {
                            var val_ind_garantia = $('#hid_ind_garantia').val();
                            var val_cod_tip_garantia = $("#selTipoGarantia").val();                         
                            if (val_cod_tip_garantia == '01' && // Hipoteca
                                    val_ind_garantia != '3') {

                                if (esnulo(value)) {
                                    return { valid: false, message: 'Debe seleccionar Tipo de bien.'}
                                }                               
                                return true;
                            }
                        }
                    }
                }
            },

            // Generico Descripcion
            txt_dir_des_obs_hip: {
                validators: {
                    callback: {
                        callback: function(value, validator, field) {
                            var val_ind_garantia = $('#hid_ind_garantia').val();
                            var val_cod_tip_garantia = $("#selTipoGarantia").val();                         
                            if (val_cod_tip_garantia == '01' && // Hipoteca
                                    val_ind_garantia != '3') {

                                if (esnulo(value)) {
                                    return { valid: false, message: 'Debe ingresar Descripción.'}
                                }

                            }

                            if (value.length > 400 && val_ind_garantia != '3') {
                                return { valid: false, message: 'El valor ingresado debe tener menos 400 caracteres.'}
                            }

                            return true;
                        }
                    }
                }
            }

        }
    });

});

My initial logic is that when loading my JSP page save the content of the master div in a hidden element.

$('#hid_con_gar_html').val($('#frm-garantia').html());

My final logic is then to delete the content of the master div and restore it with the initial content that is in hidden .

$('#frm-garantia').html($('#hid_con_gar_html').val());

My problem is that when I need to use the form again, the Bootstrap validations are lost. I hope you can help me with my problem.

Greetings.