gentoo ~: cat /etc/xdg/openbox/menu.xml
<?xml version="1.0" encoding="UTF-8"?>

<openbox_menu xmlns="http://openbox.org/"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://openbox.org/
                file:///usr/share/openbox/menu.xsd">

<menu id="games-menu" label="Games">
  <item label="Crack-Attack">
    <action name="Execute"><execute>crack-attack</execute></action>
  </item>
  <item label="XFRisk">
    <action name="Execute"><execute>xfrisk</execute></action>
  </item>
  <item label="Quake III">
    <action name="Execute"><execute>quake3</execute></action>
  </item>
</menu>

<menu id="apps-menu" label="Applications">
  <item label="Xterm">
    <action name="Execute"><execute>xterm</execute></action>
  </item>
  <item label="Firefox">
    <action name="Execute"><execute>firefox</execute></action>
  </item>
  <item label="Gaim">
    <action name="Execute"><execute>gaim</execute></action>
  </item>
  <item label="Quark">
    <action name="Execute"><execute>strange-quark</execute></action>
  </item>
</menu>









<menu id="root-menu" label="Openbox 3">
  <item label="Terminal">
    <action name="Execute"><execute>aterm</execute></action>
  </item>
  <item label="Run...">
    <action name="Execute"><execute>gmrun</execute></action>
  </item>
  <menu id="apps-menu" />
  <menu id="games-menu" />
  <separator />
  <menu id="client-list-menu" />
  <separator />
  <item label="ObConf">
    <action name="Execute"><execute>obconf</execute></action>
  </item>
  <separator />

</menu>

</openbox_menu>