TODO:
- advanced search dialog, accessable via sideboxmenu
- some artwork : general resource pictures like (room, car, beamer ...) (Benkom)
- sitemgr module

- rename table column id -> res_id for compability with other databases
- list 
	select all button --> add actions for selected: move to other cat,...
	
- edit/add
	bug: loose html and picture on tab-switch (eTemplate bug --> Ralf)
	bug: inputvalidation on selectbox --> eTemplate --> Ralf
	bug: accessories aren't moved to cat of master if it changes

- admin section
	add configure picture size	

- calendar views
	do we need own views?

- show
	show accessories and links 
	change button layout

Long Term todo's:
---------------------------
add prize functionality
add location functionality