Something

<?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/X11R6/share/openbox/openbox/menu.xsd">

<menu id="apps-menu" label="Applications">
  <item label="Run..">
    <action name="Execute"><execute>gmrun</execute></action>
  </item>
  <item label="Terminal">
    <action name="Execute"><execute>Terminal</execute></action>
  </item>
  <item label="Mozilla">
    <action name="Execute"><execute>firefox</execute></action>
  </item>
  <item label="Gaim">
    <action name="Execute"><execute>gaim</execute></action>
  </item>
  <item label="XChat">
    <action name="Execute"><execute>xchat</execute></action>
  </item>
  <item label="Gimp">
    <action name="Execute"><execute>gimp</execute></action>
  </item>
  <item label="Abiword2">
    <action name="Execute"><execute>abiword</execute></action>
  </item>
</menu>

<menu id="root-menu" label="Openbox 3">
  <menu id="apps-menu" />
  <menu id="games-menu" />
  <separator />
  <menu id="client-list-menu" />
  <separator />
  <item label="Menu">
    <action name="Execute"><execute>bluefish ~/.config/openbox/menu.xml</execute></action>
  </item>
  <item label="Reconfigure">
    <action name="Reconfigure" />
  </item>
  <separator />
  <item label="Exit">
    <action name="Exit" />
  </item>
</menu>

</openbox_menu>