<div class="ui-widget ui-corner-all">
    <div>
    <span>Refresh image every</span>
        <input data-bind="spinner: { value: updateInterval, min: 1, spin: spinUpdateInterval }" , style="width: 2em;">
    <span>seconds</span>
    </div>

    <img data-bind="attr: { src: imageUrl }" style="width: 100%;">
</div>