Check and uncheck the checkbox with hide/show action

[mirko_8817]

I have a form in Adobe Acrobat with three check boxes. I have set up that once one is checked, than other two are hidden. Which is what I want. 

But in case when I uncheck the checked box (in case i checked the wrong check box and want to correct error), other two checkbox remain hidden and do not reapear. 

How to set up that in case I uncheck box, other two apear again?

[Thom Parker]

A script is required to create this behavior.  You'll find everything you need in this article, including a sample file. 
https://www.pdfscripting.com/public/Hiding-and-Showing-Form-Fields.cfm

[PDF Automation Station]

Mouse Up action script:

if(event.target.value!="Off")

{

this.getField("Check Box2").display=display.hidden;

this.getField("Check Box3").display=display.hidden;

}

else

{

this.getField("Check Box2").display=display.visible;

this.getField("Check Box3").display=display.visible;

}