Windows style window management for openbox

win-openbox.xml

<keyboard>
    <keybind key="W-Left">
      <action name="Unmaximize"/>
      <action name="MoveResizeTo"><x>0</x><y>0</y><height>100%</height><width>50%</width></action>
    </keybind>
    <keybind key="W-Right">
      <action name="Unmaximize"/>
      <action name="MoveResizeTo"><x>-0</x><y>0</y><height>100%</height><width>50%</width></action>
    </keybind>
    <keybind key="W-Up">
      <action name="Unmaximize"/>
      <action name="MoveResizeTo"><x>0</x><y>0</y><width>100%</width><height>50%</height></action>
    </keybind>
    <keybind key="W-Down">
      <action name="Unmaximize"/>
      <action name="MoveResizeTo"><x>0</x><y>-0</y><width>100%</width><height>50%</height></action>
    </keybind>
    <keybind key="W-M">
        <action name="ToggleMaximizeFull" />
    </keybind>
</keyboard>