elementID = "foo";
    protected void updateVarNames() {        String elementID = context().elementID();        elementID = ERXStringUtilities.replaceStringByStringInString(".", "_", elementID);        elementID = "foo";        pickerName = "picker_"+ elementID;        parentSelectName = "parent_" + elementID;        childSelectName = "child_" + elementID;        objectsArrayName = "parents_children_" + elementID;    }