NEW USTREAM EMBED PLAYER SEEK

Question

I would like to make my player seek to 180 sec. I was able to do it with previous ustream-embedapi.min.js, but know it seems to have changed. And I can't find the new JS file.

Here is my code :

HEAD :

<script type="text/javascript" src="https://code.jquery.com/jquery-2.1.0.min.js"></script>
<script src="ustream-embedapi.min.js"></script>
WHATS THE URL OF THE NEW USTREAM EMBED API JS FILE ???

<script type="text/javascript">
    $(document).ready(function () {
        var viewer = UstreamEmbed("PlayerIframe");
        $('#link1').click(function(){ viewer.callMethod('seek', 0);});  
        $('#link2').click(function(){ viewer.callMethod('seek', 60);});});
</script>

BODY :

<iframe id="PlayerIframe" src="https://video.ibm.com/embed/recorded/124808555?autoplay=true&showtitle=false" webkitallowfullscreen allowfullscreen frameborder="no" width="960" height="540" ></iframe>
    <ul class="list">
        <li><a id="link1" href="javascript:;">INTRODUCTION</a></li>
        <li><a id="link2" href="javascript:;">PART-1</a></li>
    </ul>

Thanks in advance Best Regards