Adobe Acrobat - text box - date calculation

Hello,

I want to create a textbox which shows the actual date in the format dd.mm.jjjj.

I'm not the specialist for JavaScript for Acrobat API but I hope, someone can help me to find a solution.

My idea is probably understandable.

For example the script....

I hope someone can help me.

Thanks in advance,
ben justus bremer