public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException{
	
		for(int i = 0; i < characterButton.length; i++){
			if(characterButton[i].isClicked()){
				System.out.println("Character button clicked!");
				if(p1Character == null){
					p1Character = characters[i];
				}
				else{
					p2Character = characters[i];
				}
			}
		}
		
		if(buttonBack.isClicked()){
			sbg.enterState(0);
		}
		if(buttonContinue.isClicked()){
			if(p1Character != null & p2Character != null){
				sbg.enterState(4);
			}
		}
	}