do the menu_can_hide thing properly. was such a hack before? and the variable was...

[chaz/openbox] / data / xbm / desk.xbm

#define desk_width 6
#define desk_height 6
static unsigned char desk_bits[] = {
   0x33, 0x33, 0x00, 0x00, 0x33, 0x33 };