oxjs/demos/fileinput/js/fileinput.js

Ox.load('UI', function() {

    //Ox.Theme('modern');

    Ox.FileInput({
            maxFiles: 1,
            width: 256
        })
        .css({
            position: 'absolute',
            left: '16px',
            top: '16px'
        })
        .appendTo(Ox.UI.$body);

    Ox.FileInput({
            width: 256
        })
        .css({
            position: 'absolute',
            left: '16px',
            top: '48px'
        })
        .appendTo(Ox.UI.$body);

});