iPod touch my ipod touch wont turn of??? or go to the apps any more..what do i do

[sof]

ok so the black botton on touch dosnt work anymore and the top button wont turn it off any more just put it so sleep how do u fix it?
is it expensive?

 

[pismodude2]

Hold down the power/lock and home button until it turns off, then turn it on again.

 

[markojug]

funny... same thing happened to me just a couple days ago

yea just hold the home and power button until it shuts off