AS3: preloader firing 5 times like a loop causing future errors... Please review...

var myTimer:Timer = new Timer(2000, 1);
myTimer.addEventListener(TimerEvent.TIMER, GetOut);
myTimer.start();
function GetOut(event:TimerEvent):void {
	TweenLite.to(rotate_mc, .9, {alpha: 0, ease:Back.easeInOut});
	trace("uh oh! the timer has begun");
 
	var buttons:Array =[moreInfo_btn,rotate_btn,magnify_btn];
 
	var links:Array =["HiltiCallouts.swf","Hilti-Rotation.swf","Hilti-Magnify.swf"];
 
	var hotspotY:Array =[20,40,0];
 
	var link = String(links[0]);
	var currentBtn:MovieClip;
	var previousBtn = MovieClip(buttons[0]);
	var hotspot:Loader = new Loader();
	addChild(hotspot);
 
	function initSite():void {
		for (var i:Number = 0; i < buttons.length; i++) {
			buttons[i].id = i;
			buttons[i].alpha = .2;
			buttons[i].buttonMode = true;
			buttons[i].mouseChildren = false;
			buttons[i].addEventListener(MouseEvent.MOUSE_OVER, btnOver);
		}
		previousBtn.mouseEnabled = false;
		previousBtn.alpha = 1;
		hotspot.y = hotspotY[0];
		hotspot.load(new URLRequest(link));trace("link");
		trace(link);
	}
	initSite();
 
	function btnOver(e:MouseEvent):void {
		e.target.alpha = 1;
		e.target.addEventListener(MouseEvent.MOUSE_OUT, btnOut);
		e.target.addEventListener(MouseEvent.CLICK, btnClick);
	}
 
	function btnOut(e:MouseEvent):void {
		e.target.alpha = .2;
	}
 
	function btnClick(e:MouseEvent):void {
		link = String(links[ e.target.id ]);
		hotspot.y = Number(hotspotY[ e.target.id ]);
		trace(link, hotspot.y);
		e.target.removeEventListener(MouseEvent.MOUSE_OUT, btnOut);
		e.target.removeEventListener(MouseEvent.CLICK, btnClick);
		currentBtn = MovieClip(buttons[ e.target.id ]);
		currentBtn.alpha = 1;
		previousBtn.alpha = .2;
		currentBtn.mouseEnabled = false;
		previousBtn.mouseEnabled = true;
		previousBtn = currentBtn;
		hotspot.load(new URLRequest(String(link)));
	}
 
}

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