Loops and how to stop 'em

ok, so i have 4 buttons for four looping sounds. and there is a button for sounds off/sounds on. can any1 post here what would the script for this button (on/off). thanks in advance!

lets call the sounds mysound1, mysound2, etc.

on(release){
mysound1.stop()
mysound2.stop()
mysound3.stop()
mysound4.stop()
}