scrollbars for browsers not using webkit-->
        <script src="../js/jquery.mousewheel.min.js" type="text/javascript"></script>
    <script src="../js/jquery.iviewer.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(window).resize(function(){
            $("#viewer").height($(window).height() - 100);
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        $(document).ready(function() {
            $("#viewer").iviewer({src: '../graphs/classes.svg', zoom_animation: false});
            $('#viewer img').bind(