private void mapChanged(){
    	this.tileMap = new TileMap("map" + this.map + ".txt", 32); 
		this.tileMap.loadTiles("graphics/" + this.tileSet); 
		if(this.easy.isSelected()){
			this.easy.doClick();
		}else if(this.medium.isSelected()){
			this.medium.doClick();
		}else if(this.hard.isSelected()){
			this.hard.doClick();
		}
    }