Use HideDragon you can hide any windows on your desktop easily by
clicking the mouse's left and right keys together (or use the
hotkey).To resume these hidden windows whenever you like by re-clicking
the mouse key (or hotkey), and those hidden windows will redisplay. The
tray icon at the right bottom corner can also be hidden or be run in
the background. It can be broadly used to protect your privacy, either
when you are in the office or at home.
try it
http://kinghome.51.net/en/XP_QuickHide.htm