This is a temporary solution but is working at the present in my box.
1) install Navi-X
2) Map the mute button to ContextMenu
Code:
To access Subemnus in Xbmc we need a button to emulate right mouse Button.
We will do this using the mute button:
1) Goto the folder /media/hdd/.xbmc/userdata/keymaps and check if it is present the file keyboard.xml
2) If you have not the file in this location goto /usr/share/xbmc/system/keymaps/keyboard.xml
3) Edit file keyboard.xml
4) find line <volume_mute>mute</volume_mute>
5) Subtitute with <volume_mute>ContextMenu</volume_mute>
6) Restart Xbmc
3) Launch Navi-X
4) Select the media you want to watch
5) Push mute button to access Submenu
6) Select Set Default Player
7) Select PAPlayer
8) CLOSE THE OPTION MENU
9) Select again Set Default Player
10) Select Auto Select
11) Close the menu
12 Run your file.