<!--FILTRO FLUTUANTE -->
    <div id="mws-themer">
        <div id="mws-themer-hide"></div>
        <div id="mws-themer-content">
            <div class="mws-themer-section">
                <form action="" name="myForm" id="myForm" style="padding: 0; margin: 0;" method="POST">
                    <input type="text" name="edtMFIR" id="edtMFIR" value="" class="mws-textinput error">
                </form>
            </div>
            <div class="mws-themer-separator"></div>
            <div class="mws-themer-section">
                <button type="button" onclick="submit()" class="mws-button red small" id="mws-themer-sendfilterPCD">Filtrar</button>
            </div>
        </div>
    </div>

    <script>

        function submit() {

            var fornDetails = "fornDetails.php";
            var fornRegister = "fornRegister.php";

            var result = "<?php paginaDestino($_POST["edtMFIR"]); ?>";
            alert(result);

            if (result) {
                myForm.action = fornRegister;

            } else {
                myForm.action = fornDetails;
            }
            myForm.submit();

        }
    </script>

function paginaDestino($edtMFIR){

$conexao = new bancodedados();
if(!empty($edtMFIR)){
    $conexao->setSQL("SELECT * FROM tab_aro_pcd_riscos WHERE aro_riscos_mfir=".$edtMFIR." LIMIT 1");
$res_a = $conexao->Consultar();
    $RES_MFIR = mysql_fetch_array($res_a);

    if(empty($RES_MFIR)){
        return false;
    }else{
        return true;
    }
}