HTML Code:
package {

	import flash.display.MovieClip;
	import flash.events.Event;
	import flash.events.MouseEvent;


	public class TreeTile extends MovieClip {

		private var rootMC: MovieClip;

		public function EmptyBlock() {
			addEventListener(Event.ADDED, beginClass);
			addEventListener(Event.ENTER_FRAME, render);
		}

		private function beginClass(e: Event): void {
			
			this.buttonMode = true;


		}

		private function render(e: Event): void {
			rootMC = MovieClip(root);
			if (rootMC.gameOver) {
				removeEventListener(Event.ENTER_FRAME, render)
				this.parent.removeChild(this);

			
			if (rootMC.player.hitTestObject(rootMC.treeBlock)) {
			
				rootMC.player.x = 100;
			
			
		}
			}
		}

		
		//Always at the end
	}

}
HTML Code:
import flash.events.Event;
var player: Player = new Player();
var mapArray: Array = new Array();
var treeBlock;
mapArray = [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
	2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2,
	2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
	2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
	2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
	2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
	2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2,
	2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2,
	2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2,
	2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
]



function makeRoad() {
	var row: int = 0;
	var block;
	
	for (var i: int = 0; i < mapArray.length; i++) {
		if (mapArray[i] == 1) {
			block = new Block();
			addChild(block)
			block.x = (i - row * 12) * 46;
			block.y = row * 40;
		}
		
		if (mapArray[i] == 2) {
			treeBlock = new TreeTile()
			addChild(treeBlock)
			treeBlock.x = (i - row * 12) * 46;
			treeBlock.y = row * 40;
		}
		if (mapArray[i] == 3) {
			
		
			addChild(player)
			 
			player.x = 180;
			player.y = 60;
			
		}
		for (var c: int = 1; c <= 12; c++) {
			if (i == c * 12 - 1) {
				row++;
			}
		}
	}

}

makeRoad();
var houseTile: House = new House();
addChild(houseTile)
houseTile.x = 196
houseTile.y = 80
stage.addEventListener(Event.ENTER_FRAME, render)
stage.addEventListener(KeyboardEvent.KEY_UP, KeyboardUnpressed)
stage.addEventListener(KeyboardEvent.KEY_DOWN, KeyboardPressed)



var leftPressed:Boolean = false
var rightPressed:Boolean = false
var upPressed:Boolean = false
var downPressed:Boolean = false
var boxSpeed:int = 4



function KeyboardUnpressed (e:KeyboardEvent):void{
	if (e.keyCode == Keyboard.UP)
	{
		upPressed = false;
	}
	if (e.keyCode == Keyboard.DOWN)
	{
		downPressed = false;
	}
	if (e.keyCode == Keyboard.LEFT)
	{
		leftPressed = false;
	}
	if (e.keyCode == Keyboard.RIGHT)
	{
		rightPressed = false;
	}

}
function KeyboardPressed (e:KeyboardEvent):void{
	if(e.keyCode == Keyboard.UP){
		upPressed = true;
	}
	if(e.keyCode == Keyboard.DOWN){
		downPressed = true
	}
	if(e.keyCode == Keyboard.RIGHT){
		rightPressed = true
	}
	if(e.keyCode == Keyboard.LEFT){
		leftPressed = true
	}
}
function render(e:Event):void{
	
	if(rightPressed){
		player.x += boxSpeed
	}
	if(leftPressed){
		player.x -= boxSpeed
	}
	if(upPressed){
		player.y -= boxSpeed
	}
	if(downPressed){
		player.y += boxSpeed
	}

	
	
	
}