this adds the dropbox to the main zendesk menu bar

add-dropbox-to-menu.js

Event.observe(window, 'load', function() {
$j('#top-menu .tab_forums').after($j('<li  class="main clazz tab_idea"><a href="http://www.google.com/" onClick="script: Zenbox.show(); return false;" class="tab">ASK US</a></li>'));
});

dropbox-in-zendesk.js

</script>
<script type="text/javascript" src="//asset0.zendesk.com/external/zenbox/zenbox-2.0.js"></script>
<style type="text/css" media="screen, projection">
  @import url(//asset0.zendesk.com/external/zenbox/zenbox-2.0.css);
</style>
<script type="text/javascript">
  if (typeof(Zenbox) !== "undefined") {
    Zenbox.init({
      dropboxID:   "123",
      url:         "https://something.zendesk.com",
      tabID:       "questions",
      tabColor:    "#9060C1",
      hide_tab: true,
      tabPosition: "Right"
    });
  }