HTML formulár

<form action="<?php echo $form_action;?>"
	class="pure-form pure-form-aligned"
	enctype="multipart/form-data"
        id="formular"
	method="post">

        <fieldset>
        <legend>Dodávateľ</legend>

                <?php
                //Dáta pre element "dropdown"
                $drp_data = new sqldata();
                $drp_data->sql_query = "SELECT navi_kod, nazov FROM dodavatelia";
                $drp_data_result = $drp_data->get_sql_data();
                //$cars = array("Volvo", "BMW", "Toyota");

                $drp = new purecss_form_control();
                $drp->label = "Supervízor";
                $drp->name = "super";
                $drp->id = "superid";
                //$drp->help_block = "Navštívená osoba 1";
                $drp->dd_value = array_column($drp_data_result, 'navi_kod'); //alebo natvrdo pole s hodnotami: array("VO", "BM", "TO");
                $drp->dd_display = array_column($drp_data_result, 'nazov'); //alebo natvrdo pole s hodnotami: array("Volvo", "BMW", "Toyota");
                $drp->required = TRUE;
                echo $drp->show_drop();
                ?>

        </fieldset>

        <fieldset>
        <legend>Osoba</legend>

                <?php
                $item = new purecss_form_control();
                $item->label = "Meno";
                $item->name = "meno";
                $item->type = "text";
                $item->required = true;
                //$item->help_block = "Neuvádzať titulani oslvenie";
                echo $item->show_input();
                ?>

                <?php
                $item = new purecss_form_control();
                $item->label = "Priezvisko";
                $item->name = "priezvisko";
                $item->type = "text";
                $item->required = true;
                //$item->help_block = "Poznámka...";
                echo $item->show_input();
                ?>

        </fieldset>


        <button class="pure-button pure-button-primary"
                type="submit"
                name="submit"
                id="submitID">
                Zaznamenať
        </button>
        <p hidden id="oznam">Pracujeme na tom...</p>
                
</form>



<script>
    //Script to prevent double form submission
    var form = document.getElementById('formular');
    var submitButton = document.getElementById('submitID');
    var oznamtext = document.getElementById('oznam');
    form.addEventListener('submit', function()
    {
        submitButton.setAttribute('hidden', 'hidden');
        submitButton.innerHTML = 'Pracujeme na tom...';
        oznamtext.removeAttribute('hidden');
    }, false);
</script>