s_xplot to display crossplot elastic parameter

弹性菜单，鼠标覆盖菜单色块跟随并有弹性效果！-Flexible menus, mouse menu color cover and elastic effects follow!

居然我不是写javascr ipt的但是比较喜欢收集各种javascr ipt，这个是最基础的发一个弹性菜单，垂直的那种。-I did not actually write javascr ipt but prefer to collect a variety of javascr ipt, this is the most basic one elastic hair menu, vertical kind.