stop();
var waitTime:Number = 500;
//待ち時間関数
function WaitTime() {
	clearInterval( WaitTimeId );
	play();
}
//waitTime秒間停止させる
WaitTimeId = setInterval(WaitTime, waitTime);

///////////////
//AS3の場合

stop();
var waitTime:Number = 1000;
var wt:Timer = new Timer(waitTime);
wt.addEventListener(TimerEvent.TIMER, WaitTime);
wt.start();
//待ち時間関数
function WaitTime(e:TimerEvent):void {
	play();
}