text: var select_lives = function(game){}
  
  select_lives.prototype = {
    	preload: function(){
          this.game.load.image('background', 'assets/background/select_lives.png');
  	},
      create: function(){
          var background = this.game.add.sprite(0, 0, 'background');
  		var lobbyButton = this.game.add.button(386/2,284/2,"lobby",this.lobby,this);
  		lobbyButton.anchor.setTo(0.5,0.5);
  	},
  	lobby: function(){
  		this.game.state.start("lobby");
  	}
  }