ChoiceItem item = new ChoiceItem( stringPart, imagePart, this.choiceType, elementStyle ); add(elementNum, item);
insert( elementNum, stringPart, imagePart, null );
	public void insert(int elementNum, String stringPart, Image imagePart, Style elementStyle)	{		ChoiceItem item = new ChoiceItem( stringPart, imagePart, this.choiceType, elementStyle );		add(elementNum, item);	}