void change_nick()
{
  while(quit== false)
  {
    SDL_WM_SetCaption( "Change Nick", NULL);
    SDL_WM_SetCaption( player_nick.c_str(), NULL);
    
    message = TTF_RenderText_Solid( font, player_nick.c_str(), textColor );
    apply_surface( 100, 100, message, screen);
    SDL_FreeSurface(message);
    apply_surface( 0, 0, menu, screen);
    apply_surface( 0, -10, version, screen);
    
    if( SDL_PollEvent( &event ))
    {     //Checks if user wants to quit
      switch (event.type)
      {
        case SDL_QUIT: 
        {
          quit = true;
          break;
        }
        case SDL_KEYDOWN:
        {
          switch( event.key.keysym.sym)
          {
            case SDLK_RETURN: return;
          }
          char ch;
          if ( (event.key.keysym.unicode & 0xFF80) == 0 ) 
          {
            ch = event.key.keysym.unicode & 0x7F;
          }
          player_nick = player_nick + ch;
        }
      }
    }
  }
}