    , zIndex: 2e9 // The z-index (defaults to 2000000000)
        , className: 'spinner' // The CSS class to assign to the spinner
        , top: '50%' // Top position relative to parent
        , left: '50%' // Left position relative to parent
        , shadow: false // Whether to render a shadow
        , hwaccel: false // Whether to use hardware acceleration
        , position: 'absolute' // Element positioning
        }
        // var spinner = new Spinner(opts);
        var target;
        target = doc