button

<?php
    include 'koneksi.php';
    $email = $_SESSION['email'];
    $userstorage = mysql_fetch_assoc(mysql_query("SELECT sum(size_statistik) AS total FROM file WHERE email = '$email'"));
    $userstorage = $userstorage['total'];

    if($userstorage >= 10737418240){
        echo"<button class='btn btn-success' disabled type='button'>TIDAK BISA SIMPAN</button>";
    }else{
        $onclick ="$('#upload_file').uploadify(''upload','*');";
        echo"<button onclick= '$onclick' class='btn btn-success'>Simpan</button>";
    }
?>