I am not sure that I understand correctly but...
If the list of all possible items was short, you can provide all items with a checkbox beside it.
You can also use a multiselect listbox...
If we exchange an apple, we both get an apple.
But if we exchange an idea, we both get 2 ideas, cool...Gérald Santerre
Independant programmer - internet or intranet stuff - always looking for contracts big or small :)
http://www.siteintranet.qc.ca 
