code: def treebeard_js():
      
      path = get_static_url()
      js_file = urljoin(path, 'treebeard/treebeard-admin.js')
      jquery_ui = urljoin(path, 'treebeard/jquery-ui-1.8.5.custom.min.js')
  
      # Jquery UI is needed to call disableSelection() on drag and drop so
      # text selections arent marked while dragging a table row
      # http://www.lokkju.com/blog/archives/143
      TEMPLATE = (
          '<script type="text/javascript" src="{}"></script>'
          '<script type="text/javascript" src="{}"></script>'
          '<script>'
              '(function($){{jQuery = $.noConflict(true);}})(django.jQuery);'
          '</script>'
          '<script type="text/javascript" src="{}"></script>')
      return format_html(
          TEMPLATE, "jsi18n", mark_safe(js_file), mark_safe(jquery_ui))
docs: Template tag to print out the proper <script/> tag to include a custom .js