Coming back!

ok i have this square for example …

when i press it moves with a simple tween …

how can i make it that when i press it agin it goes back to it original place ?

meaning

on press 1 moves to certain place … ( done )

on press 2 goes back to it original place …

will this a fla. to show u what i mean …

http://www.sendspace.com/file/b8w3io

help =D