FORM fields checking

Posted by user341879 on Stack Overflow See other posts from Stack Overflow or by user341879
Published on 2010-05-16T19:43:46Z Indexed on 2010/05/16 19:50 UTC
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Hello all,

I have a simple form with several checkboxes. Now I need to prevent users to proceed with this form if more then 3 checkboxes are selected. How should this be done?

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