copy this program SSMAPA to your device/card
http://forum.xda-developers.com/showthread.php?t=407777
copy the files from this post into your windows directory on ur device
http://forum.xda-developers.com/show...7&postcount=14
go to your device start menu/settings/system tab load "file dialog changer"
tick the box "exchange standard file dialog"
add .. go to exe you want to load instead of calendar
Load SSMAPA and change calendar by browsing to the calendar of your choice
Quoted via Google from Modaco !