Thanks again Mattias,I will use the proposal #1 for my forms. Since I now can write some scripts, I will be able to create a pop up message when the required check boxes remain unticked.Thread may be closed.Regards,CaBe

Hi Mattias,Thanks for spending so much time with my thread. In fact, I have extended experiences in writing VB scripts to control MS Excel. I assume that I can use parts of this knowledge when creating an Adobe (Java) script. This is that I understood your script example, which will notify the user to click at least one radio button before closing/saving this form.As described, I was looking for a solution to display the form in a user defined way, i.e., highlighting all fields when the button i...

Hi Mattias,Thank your for clarifying what I wanted to have. Seems that I was too fast in translating my German way of thinking into an English way of writing. You're right, it is exactly this behavior in the Reader, called "Highlight Existing Fields". This switch toggles all editable items to a light blue background. Unfortunately, the required fields (the radio buttons in my example) are not only highlighted this way but also get a red frame around, exactly the way you thought.Your solution wit...