if @isMultiChoice # True if @object is a radio/checkbox collection
	@choices = genObj()
	
	@object.forEach (choiceEl)=>
		choiceBinding = @choices[choiceEl.value] = SimplyBind('checked').of(choiceEl)._
		choiceBinding.addDep(@).addTransform @ID, ()-> choiceBinding
		choiceBinding.groupBinding = @
		return