I am pretty sure this is what i did before but now it dont work

programming flash
1

I have a for loop


		for(var i:int = 0; i<arrX.length();i++){
			arrLoader = new Loader();
			arrLoader.load(new URLRequest(arrX*.@asset));
			arrLoader.name = "arrH"+i
			arrLoader.x = i * 200;
			mainHolder.arrHolder.addChild(arrLoader);
		}

	// for testing purpose i added a button, i want to shift all items to the LEFT 50 pixels, but i don't want to move the container mainHolder.

	button.addEventListener(MouseEvent.CLICK,clicked);
	function clicked(e:MouseEvent):void{
		for(var c:int = 0; c<arrX.length();c++){
			mainHolder.arrHolder.arrH[c].x =+ 50;
		}
	}

This should be simple solution… anyone got suggestions?