Timer

import flash.utils.Timer;
import flash.events.TimerEvent;
 
var delay:uint = 30000;
var repeat:uint = 3;
var timer:Timer = new Timer(delay, repeat);
 
timer.start(); 
timer.addEventListener(TimerEvent.TIMER, timerHandler);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, completeHandler);
 
private function timerHandler(e:TimerEvent):void{
    //Timer event
}
 
private function completeHandler(e:TimerEvent):void {
    //Timer complete   
}