 <% content_for :js do %>
  $(window).on('load',
    $(function() {
      $('#used_by-tab').on('shown', function() { graph_zoom("used_by_graph", "used_by_svg", 1); });
    }))
<% end %>
<%= render partial: 'application/svg_div', locals: {
    divId: "used_by_graph", 
    svgId: "used_by_svg", 
    svg: @used_by_svg } %>