can insert a button in page Data Rendering event
for example, this code:
<form action="asegura.php">Pulsar para <input type="submit" name="insert" value="Copia Seguridad" onclick="backup_tables()"></form>
I tried this but not working:
// Page Data Rendering event
function Page_DataRendering(&$header) {
$header = "<form action="asegura.php">Pulsar para <input type="submit" name="insert" value="Copia Seguridad" onclick="backup_tables()"></form>";
}