Your example has no chcekbox. It's just a parameter passed back to CGI. The submit button has no associated form. How do you propose to do anything with CGI here? I suggest you read and understand the documentation for the tools you've chosen to use, and make more effort when asking for help.

If this is a real example of something you're trying to do then Perl can't help you here. Everything is client side. Use JavaScript.

Update: Strike out, substantial edit.

In reply to Re: cgi check button by marto
in thread cgi check button by bigup401

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