Untitled

<html>
<head>
   <title>Basic Upload</title>
</head>
<body>
    <script>
        function submeter(){
            document.formulario.submit();
        }

    </script>

    <form method="POST" action="#" name="formulario" enctype="multipart/form-data">
        <input id="up" type="file" onchange="submeter()" name="fileUpload" accept="image/*">
    </form>

</body>
</html>