function swapImage(obj,NewImage){
 obj.src = offImage[NewImage].src
}

function restoreImage(obj,NewImage){
  obj.src = onImage[NewImage].src
}

function changeButton(obj) {
obj.style.color ="red"
obj.style.backgroundColor ="yellow"
}

function restoreButton(obj) {
obj.style.color ="blue"
obj.style.backgroundColor ="#cfc6b3"
}

function touched(obj) {
obj.style.color ="red"
obj.style.backgroundColor ="yellow"
}