but there is a difficulty. in manual mode (when you by using mouse indicates window) kdocker succesfully kick openoffice window to tray, but through command line it did not work by default. the solution is to define window ID of opened OpenOffice window and transfer it to kdocker.

here is script that you need put in $HOME/.kde/Autostart/office-to-tray.sh

#!/bin/bash

/opt/openoffice.org2.4/program/scalc -norestore &

sleep 15

/usr/local/bin/kdocker -w `/usr/X11R6/bin/xwininfo -root -children -tree | /bin/grep “OpenOffice.org Calc” | awk ‘{ print $1 }’` &

/opt/openoffice.org2.4/program/swriter -norestore $HOME/.1.doc

sleep 5

/usr/local/bin/kdocker -w `/usr/X11R6/bin/xwininfo -root -children -tree | /bin/grep “.1 – OpenOffice.org Writer” | awk ‘{ print $1 }’` &

and you need put small simple .1.doc file to $HOME.

the result: celeron 1800,512Mb,FC4,KDE , xls file 450kb open for 5 seconds!
and if use icewm even 4 seconds:)