"over:" attribute

Me again. I've got a Combat Platoon (parent unit) that has to be four tanks (four separate child units) strong. The user can chose between 3 different tanks and tank X is add to make the Combat Platoon four strong. The first 3 tanks are added via an option with "list:" and are selected via "dflt:" This makes the user pick his first 3 tanks. Tank X is added via "Auto". Now, the user can chose to add tank Y. Tank Y is added via "Cost" and the option that adds tank Y has "over:" which de-selects the last tank picked via the "list:" from above. What I now need is for the 3rd tank (actually, the list of tanks to choose form) to be automatically selected again so the user can re-chose his 3rd tank if he un-selects the option for tank Y. I've got every thing working but can't make AB reapply the "dflt:" that adds the 3rd tank.


Thanks,

Keith




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