Setting initial selection in ChoiceBox

I know it is a simple request but I cannot fathom out from the API or the tutorial how to initialise the selected item in a ChoiceBox.
Take the example in the ChoiceBox tutorial where there is a selection of 5 languages. The tutorial suggests that the top item "English" shows when the program starts. When I try it, no item is shown. If I wanted the initial selection to be "Espanol", the second item in the list, how would I achieve this?
Since this is an important property of list selection, I am surprised that the tutorial doesn't tell me how to do it. JavaFx1.3 was much easier to understand.
Thanks
abg

I'm sorry Dayryl but there is nothing in the ChioceBox API or the tutorial that indicates how I would set thw selection index in the choice box's selectionModel. I have tried lots of things but can't make sense of what is required. Could you not just give me the line of code that would set the index of ChoiceBox cb to isem 2?
I am not a rank beginner in Java and JavaFX. I wrote my application originally in Java but switched to FX to clean it up, make it more user friendly and more maintainable. Now I have started to rewrire it in JavaFX2 and am finding it incomprehensible.
I find that the API descriptions and the tutorials and examples are written as reference documents for people who really understand what it is all about but is unfathomable for less experienced people.
abg

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    Manuel DEVEAUX
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    E-Mail : [email protected]
    De : GARY DALE +44 (0)1473-222466[SMTP:[email protected]]
    Date : mardi 13 mai 1997 15:40
    A : [email protected]
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    E-Mail : [email protected]
    De : GARY DALE +44 (0)1473-222466[SMTP:[email protected]]
    Date : mardi 13 mai 1997 15:40
    A : [email protected]
    Objet : Setting initial DropList selection
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