code: function evalOptions(options) {
        var animate = typeof options.animate === 'function' ? options.animate.call() : options.animate;
        var fisheye = typeof options.fisheye === 'function' ? options.fisheye.call() : options.fisheye;
        
        options.animate = animate;
        options.fisheye = fisheye;
      }
docs: evaluate some specific options in case of they are specified as functions to be dynamically changed