Complex menu

ok i am havin a bit of a problem here.
i have 4 btns.
all have a motion scripted tween.
on the 3rd button if you click it will be a drop down menu.
which is owkring just fine, now my problem is, that when i roll out i want it to close.

What happens it comes back down, but wont close again. i just cant figure it out, i have posted my file for you guys to see. please help :ko: