Bukkit

What is the enhancement in mind? How should it look and feel? i changed the default lantern to night=fence, and day=air. now i use it to make gates for our City, it would be really cool if you could make it so that i could use a button to make the gate change to air during the night! this button would make the entire gate change to whatever it is not. if i press during the day, turns to fence, if i press during night, changes to air. Please provide any additional information below. not necessary, just would be really cool.