var idList:Array = new Array();
for (var n:Number = 0; n < 4; n++) {
	var id:Number = setInterval(this, "func", 500+200*n, n);
	idList.push(id);
}
function func(n:Number):Void {
	trace("test"+n);
}

btn.onRelease = function():Void {
	clearIntervalAll(mc);
};
function clearIntervalAll(target:MovieClip):Void {
	for (var n:Number = 0; n < target.idList.length; n++) {
		var id:Number = target.idList[n];
		clearInterval(id);
	}
}