git ssb

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(function() {
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    var nav_els, current_view, viewport_view;
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    nav_elm = document.getElementsByClassName('nav nav-tabs')[0];
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    viewport_view = document.getElementById('viewport-view');
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    if (!current_view) {
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        viewport_view.innerHTML = document.getElementById('viewport-home').innerHTML;
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        current_view = nav_elm.children[0];
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    }
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    nav_elm.addEventListener('click', function (e) {
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        var hash, viewport;
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        if (e.target.hash) {
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            hash = e.target.hash.split('#')[1];
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            viewport = document.getElementById('viewport-' + hash);
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            viewport_view.innerHTML = viewport.innerHTML;
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            e.target.parentElement.className = 'active';
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            current_view.className = '';
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            current_view = e.target.parentElement;
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        }
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    });
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}());
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