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Hide/Show help

Hi

I have the following fields

Radio Button 1 (two options yes/no)
Radio Button 2 (two options yes/no)
Check Box
Date
Single Line.

All fields are hidden on Form load except Radio Button 1.

When Yes is selected on Radio Button 1 I want Radio Button 2 to appear

**** ALL WORKS FINE UP TO HERE *******

When Yes is selected on Radio Button 2 I want the SINGLE LINE and DATE FIELD to appear and CHECKBOX to hide
When No is selected on Radio Button 2 I want the CHECKBOX to appear and SINGLE LINE and DATE FIELD to hide.

Can't seem to get it to work..