A few lines of JS code

Need someone to add a bit more code to the segment below. Require addition of a function which checks which of three radio buttons have been selected in a SquareSpace form and redirects accordingly to one of three separate webpages. Semi-technically literate, so don't be too harsh on me if I've referred to something incorrectly :) - - - - - <script type="text/javascript" src="//[login to view URL]"></script> <script type="text/javascript"> var eventposted=0; $(document).ready(function(){ $('[login to view URL]').click(function() { [login to view URL](foo, 100); }); }); function foo(){ if(($(".form-submission-text").is(':visible')) && (eventposted==0)){ eventposted = 1; [login to view URL] = "URLHERE"; } } </script>