simple select item from Box/Egg 1.0.0

This is a simple function I'm using for custom box/egg items to allow players selecting an item.

Example usage:

  - Id: 100717
    AegisName: Fluffy_Semi_Long_Box
    Name: Costume Fluffy Semi-long Hair
    Type: DelayConsume
    Buy: 10
    Weight: 100
    Script: |
      callfunc("muh_eggpick","Fluffy_Semi_Long_Box",420036,420037,420038,420039,420040,420041,420042,420043);